Turcon R Variseal R - Trelleborg Technical Drawings... · Turcon R Variseal R 1 ... Air, Gas Turcon ®T24 Turcon ... The limits for low temperatures are dependent on seal design and

TurconR VarisealR

1

Busak+ShambanEdition May 2006

Contents

Choosing the right seal for your application 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

General 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TurconR Seal Materials 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ZurconR Seal Materials 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Spring Types and Materials 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Quality Criteria 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

General Design Instructions 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installation in Closed Grooves 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Half-Open Groove Design for Snap Fitting 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Surface Roughness 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TurconR VarisealR M2 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TurconR VarisealR M2S 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TurconR VarisealR W 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TurconR VarisealR H 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installation Recommendations for Rod Seals - Types M2, M2S, W and H 19. . . . . . . . . . . . . . . . . . . . . . . . .

Installation Recommendations for Piston Seals - Types M2, M2S, W and H 21. . . . . . . . . . . . . . . . . . . . . . . .

TurconR VarisealR HF 23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installation Recommendations for TurconR VarisealR HF Flange Seals for Internal Pressure 24. . . . . . . . .

Installation Recommendations for TurconR VarisealR HF Flange Seals for External Pressure/Vacuum 26.

TurconR Roto VarisealR 28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installation Recommendations for TurconR Roto Variseal R 30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Special Types 32. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Storage Instructions 34. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Conversion Tables 35. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TurconR VarisealR

2

Busak+Shamban Edition May 2006

Choosing the right seal for your application

TurconR VarisealR offers major benefits in the design ofcomponents such as hydraulic and pneumatic cylinders,in all industries.These include:

- Excellent leak tightness

- High resistance to wear

- No extrusion into gaps

- Withstanding aggressive and abrasive process media

- Very good temperature capabilities

- Low friction

- Compact form

- Simple installation

TurconR VarisealR is available in a range of geometriesand designs that allow the optimum profile to be selectedfor each application. They can be produced from a widerange of TurconR materials, our proprietary PTFE basedcompounds. These are specially formulated for sealingelements and offer superior characteristics specificallymatched to the demands of our customers.

When required, VarisealR can also be manufactured inZurconR, our proprietary polyethylene based material.

To choose the best TurconRVarisealR for your application,you must first decide the functional parameters. Table Iand II on page 4 and Table III on page 5 can then be usedto make an initial selection of seals and materials. Thesetables give details of where further details can be foundin the catalog.

It is also important to consider the quality of the matingsurface, which has a significant effect on the function andservice life of the sealing system. Guidelines on these aregiven on pages 13 and 14.

If help is required in specification of a seal then contactBusak+Shamban, to find your local marketing companygo to www.busakshamban.com.

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General

TurconR VarisealR are single acting, spring-energizedseals which are used for dynamic and static applications.

VarisealR are effective in a wide range of applications.They are chosen when higher resistance to chemicalmedia is required, if the seal is required to operate inextremes of temperature and where good extrusion andcompression characteristics are needed.

TurconRVarisealRhave threemaindesign characteristics:

1. Application specific U-shaped seal profile

2. Spring geometry suited to the particular application

3. Proven high-performance TurconR or ZurconR polymers

Standard products are available from 2 mm up to 2500mm (8’ 2”) in diameter along with custom manufacturedintermediate sizes, inch (imperial) sizes or specialgeometries.

Method of Operation

All VarisealR included in this catalogue have the sameoperating principle and differ only in their profile formand type of metallic spring used.

The VarisealR spring supplies the load required forsealing at low pressures (Figure 1). The ”U” shaped jacketallows fluid pressure to energize the sealing lips, so totalsealing pressure rises with increasing operating pressure(Figure 2).

Spring Force

Figure 1 TurconR VarisealR without system pressure

System Pressure

Figure 2 TurconR VarisealR with system pressure

Performance

The different types of VarisealR combined with theproperties of TurconR and ZurconRmaterials offer designengineers a wide range of solutions to a large number ofapplications.

The most important characteristics of VarisealR are listedbelow:

- Very low coefficient of friction- Good dynamic and static sealing- Capable of sealing at high speeds up to 15m/s (49 ft/sec)- Almost universal chemical compatibility- Operating temperature of -253 °C up to +300 °C(423 °F to 572 °F)

- Very good thermal resistance- Permanent elasticity unaffected by contact with chemicals- Good ageing characteristics- Low compression set- Capableofwithstandinghighpressuresabove200MPa(2000 bar, 29000 psi) when using Back-up Rings

- Very good dry-running properties- Can be installed in grooves according to MIL-G-5514Fand DIN 3771

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Table I TurconR VarisealR Selection Table

Seal Application Technical Data Materials

Type Page Type of Application Maximum Pressure WorkingTemp.

Maximum Speed StandardMaterials

Static

Reciprocating

Rotary

Dynamic

MPa(bar,psi)

Static

MPa(bar,psi)

°C(°F)

Reciprocating

m/s

(ft/sec)

Rotating

m/s

(ft/sec)

Jacket

Spring

M2

15 C A B45

(450, 6527)60

(600, 8702)

-70 (-94)to

+260 (+500)15 1 T40 S

M2S

16 C A C45

(450, 6527)60

(600, 8702)

-70 (-94)to

+260 (+500)10 0.5 T40 S

W

17 C A B20

(200, 2900)60

(600, 8702)

-70 (-94)to

+230 (+446)15 1 T40 S

H

18 A B C40

(400, 5801)

80(800,11603)

-120 (-184)to

+260 (+500)5 0.1 T05 S

HF

23 A - C40

(400, 5801)

80(800,11603)

-200 (-328)to

+260 (+500)- 0.1 T05 S

Roto

28 B B A15

(150, 2175)25

(250, 3625)

-100 (-148)to

+260 (+500)10 2 T40 S

Properties: A Excellent B Good C Satisfactory

Table II Jacket Material Selection Guide

Contact medium or operatingcondition

Static or slightly Dynamic Reciprocating Rotating

Air, Gas Turcon® T24 Turcon® T24

Water, Steam

Oil, Crude oil Turcon® T05Turcon® T40 Turcon® T40

General chemical

Turcon T05Turcon® T40 Turcon® T40

Petrochemicals

Food, DrugsT ® T01

Zurcon® Z801) Turcon® T78

VacuumTurcon® T01

Turcon® T01 Turcon® T01

1) Maximum operating temperature 80 _C (176 _F). In a pressure-free state, sterilization is possible for a short period at higher temperatures.

TurconR VarisealR

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Table III TurconR and ZurconR Material Selection Criteria

MaterialCode

Material Description TemperatureRange

oC (oF)

MediaCompati-bility

RadiationResistance1)Gray(rad)

MaximumDiameter

mm(Imperial)

T01 High-grade virgin polytetrafluoroethylene (PTFE) based material.Very good resistance to chemicals.Colour: white

-253 to +260(-423 to+500)

A 7 x 102 Gy(7 x 104)

2500 mm(8’ 2”)

MF1 A specialist grade of virgin polytetrafluoroethylene (PTFE) availablewith certification of FDA compliance.Very good resistance to chemicals.Colour: white

-200 to +260(-328 to+500)

A 7 x 102 Gy(7 x 104)

2500 mm(8’ 2”)

T05 High-grade virgin polytetrafluoroethylene (PTFE) based material.For light duties.Greater wear resistance than TurconR T01.Recommended for lubricated dynamic applications.Colour: turquoise

-200 to +260(-328 to+500)

A 7 x 102 Gy(7 x 104)

2500 mm(8’ 2”)

T24 High-grade formulation of virgin polytetrafluoroethylene (PTFE)based material compounded with carbon additive.Recommended for dynamic applications, inparticular dry-running (air and gas).Colour: black

-200 to +260(-328 to+500)

A 7 x 102 Gy(7 x 104)

2500 mm(8’ 2”)

T40 High-grade formulation of virgin polytetrafluoroethylene (PTFE)based material compounded with carbon fibre additive.Excellent wear and low friction characteristics.Suited to reciprocating and rotary applications.Suitable for use in media with poor lubricating properties and fordry-running situations.Colour: anthracite

-200 to +260(-328 to+500)

A 7 x 102 Gy(7 x 104)

2500 mm(8’ 2”)

MF4 A specialist grade of TurconR T40 compound available withcertification of FDA compliance.Colour: anthracite

-200 to +260(-328 to+500)

A 7 x 102 Gy(7 x 104)

2500 mm(8’ 2”)

T78 High grade formulation of virgin polytetrafluoroethylene (PTFE)based material compounded with an aromatic polymer.Especially suited for low pressure rotary applications and runningagainst soft surfaces.Suitable for food industry applications.Colour: beige

-200 to +260(-328 to+500)

A 7 x 102 Gy(7 x 104)

2500 mm(8’ 2”)

Z80 Polyethylene with an extremely high molecular weight.Outstanding wear resistance in dry running applications.Colour: white

-200 to +80(-328 to+176)

For short peri-ods up to

+120 (+248)

B 1 x 105 Gy(1 x 107)

2500 mm(8’ 2”)

1) Special materials are available for higher radiation loads. For further details on these please contact Busak+Shamban.

Properties: A Excellent B Good

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TurconR Seal Materials

TurconR materials are high performance thermoplasticsspecifically developed for sealing applications. They arebased on premium-grade PTFE Fluoropolymer resins,with the properties of each compound achieved by theaddition of fillers and special processing techniques.

TurconR materials offer the following benefits:

Low Coefficient of FrictionFriction is dependent on pressure, contact surface area,speed and lubrication. TurconRmaterials have very goodfriction characteristics. For example, a coefficient offriction on steel mating surfaces of 0.04 can be achievedunder lubricated and hydrodynamic conditions.

TurconRmaterials do not adhere to their mating surfacesand show only a slight difference between static anddynamic friction, thus eliminating the danger of thestick-slip effect in dynamic applications.

Chemical CompatibilityTurconR materials are stable in all hydraulic fluids. Sealmaterials should be chosen to suit the lubricatingproperties of hydraulic media and the wear properties ofseal and mating surfaces.

There is only a slight change in chemical properties ofTurconRmaterials, compared to chemically inert virgin PTFE,dependent on the type of filler material added.

Temperature RangeTurconR materials can be used at temperatures between-253 °C and +300 °C (-423 °F and 572 °F).The materials show no brittleness and have high impactstrength, even at low temperatures. The limits for lowtemperatures are dependent on seal design and thethermal contraction of the material. Special designs areavailable for sealing cryogenic fluids at temperaturesbelow -200 °C (-328 °F).

General service temperature is limited to+260 °C (+500 °F).At temperatures above this, the seal materials begin to loosetheir strength and are subject to plastic deformation.

Temperature CyclingCyclical temperature fluctuations do not change theproperties of TurconR materials.

High Surface SpeedsThe good mechanical properties of TurconR materialsmean they are excellent in dynamic applications, evenunder extreme loads.

TurconR seals offer higher operational reliability thanelastomer seals in dynamic situations, especially in drystarting or operating conditions, as they do not suffer fromadhesion or heat generation. When the application islubricated, seal life will be extended further.

Wear ResistanceWear resistance is dependent upon material fillers whichinfluence the TurconRmaterial’smechanical and physicalproperties. Fillers in TurconR include bronze, graphite,carbon, carbon fiber, glass fiber and molybdenumdisulphide. They can give increased resilience, improvedwear resistance, reduced thermal expansion andextremely high resistance to abrasive wear.

AgeingTurconR materials remain unchanged over extendedperiods. They are practically non-aging and do notbecome brittle or degrade, even when subject to severeweathering from heat, light, water or salt spray.

RadiationTurconRmaterials exhibit a low resistance to electron andgamma radiation and are not recommended for use inapplications where the accumulated radiation dosesexceed 7 x 102 Gy (7 x 104 rad). For applications, subjectto high radiation doses, special Fluoropolymers such asETFE and PCTFE or ZurconRmaterials should be selected.

Other PropertiesSome TurconR materials have outstanding electricalproperties, such as a low dielectric constant or a very highelectric strength, even at elevated temperatures.

Physiologically safe TurconR materials are availablewhich meet the requirements of the German FederalHealth Authority (BGA) and the FDARegulation (Food andDrug Administration) No. 21 CFR, Part 177.

The water absorption of TurconR materials is < 0.01%.

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ZurconR Seal Materials

ZurconR Z80

ZurconR Z80 is a polyethylene-based polymermaterial. Itis suitable for medium loads and due to its low waterabsorption and self-lubricating properties, is ideal forapplications in water hydraulics and pneumatics. As it isphysiologically safe, it is also suitable for use in food andpharmaceutical processing.

The main characteristics of ZurconR Z80 are:

Low Friction

The dry friction coefficient of ZurconR Z80 is lower thanmost other materials though higher than many filled PTFEmaterials. ZurconR Z80 forms a self-lubricating, non-sticksurface.

Chemical Compatibility

ZurconR Z80 is stable in all hydraulic fluids. It has a highresistance to acids, bases and aggressive media. Thematerial has limited resistance to aromatic andhalogenated hydrocarbons.

Water Service

ZurconR Z80 is water repellent and does not swell in water.Its self-lubricating properties in water-based media areexcellent, giving it significant advantage over many othermaterials including PTFE-based ones. This combined withits high strength and wear resistance means it has a longservice life in aqueous solutions.

Temperature Range

ZurconR Z80 has a maximum continuous operatingtemperature of +80 °C (176 °F). Above this temperatureits wear resistance and strength begins to decrease. Inlow-pressure applications it can be used at temperaturesof+120 °C (248 °F) for short periods and can be sterilizedbriefly at even higher temperatures. Its lowest operatingtemperature is -200 °C (-328 °F).

Wear Resistance

The abrasive wear resistance of ZurconR Z80 is 5 to 10times higher than that of PTFE based materials. It istherefore recommended in applications where seals arein contact with abrasive media such as paints, adhesives,salts, sludges, etc.

ZurconR Z80 is also highly resistant to extrusion at highpressures.

Radiation Resistance

The radiation resistance of ZurconR Z80 is significantlyhigher than that of PTFE based materials, maintaininggoodmechanical properties at radiation dosages of up to100 kGy.

Applications in the food and pharmaceuticalindustries

ZurconR Z80 is physiologically safe and can be used forsealing in food and pharmaceutical processing. It has noodor or taste and is suitable for food contact.

The material complies with the recommendations of theBGA and FDA Regulation 21 CFR, Part 177.

TurconR VarisealR

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Spring Types and Materials

A metal spring is incorporated into TurconR VarisealR toprovide elasticity to the seal. This makes the sealpermanently elastic, despite changes in operatingtemperature, pressure or chemicals processed. Each ofthe three spring types used in VarisealR has uniqueproperties that give them their performancecharacteristics. The two most important properties of thespring, besides the corrosion resistance of the metal, areload value and deflection range. The spring load effectssealing ability, friction and the wear rate of the seal. Thedeflection range determines the ability of the VarisealR totake up wear and compensate for variations in glanddimensions.

V Spring

V Spring is the standard spring type for VarisealR M2,VarisealRM2S and Roto VarisealR. It operates as a setof ”cantilever beams”, extending from an arc at thebottom of the spring. The shape of the spring causes theload to be focused on the front edge of the sealing lip,giving the seal a positive wiping action. The ”V” spring hasa moderate load and deflection range.

Helical Spring

The Helical spring, used in VarisealRH and VarisealRHF,is made from flat strip formed into a helical coil spring. Ithas a much higher unit load and a shorter deflectionrange than the other spring types. Therefore, it is bestsuited to static or slow dynamic applications, wherefriction and wear are not the key issues. VarisealR H andVarisealR HF are the best choices for vacuum, gas andlow temperature applications.

SlantcoilR Spring

The SlantcoilR spring used in VarisealR W consists ofround wire formed into slanted coils and has a relativelyconstant load over a wide deflection range. This allowsaccurate control of friction during the working life of theseal. Its unique design makes it almost impossible todamage the spring by excessive deformation of the seal.

25 50

Helical spring

V-spring

Percentage deflection from free height

Springforce

SlantcoilR spring

F

%

The ” ” represents theload point when installedin the gland

Figure 3 Comparison of load curves for the three spring types

TurconR VarisealR

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Spring MaterialsThe standard spring material for TurconR VarisealR is stainless steel AISI 301 (spring code S). Two further materials areavailable for the specific applications, as detailed in the table below.Table IV Spring Material Selection Guide

Media Spring materials Spring order code

For General use e.g.OilGreaseAirWater, steamSolventsFood, drugsGas

Stainless steelDIN Mat No. 1.4310(X 12 Cr Ni 177)

AISI 301

S(Standard spring material)

For use in corrosive media e.g.AcidsCausticsSeawater

HastelloyR C-276Ni-Mo-16Cr-15W

DIN Mat No. 2.4819UNS N10276

H

For petrochemical use e.g.Crude oilSour gas

ElgiloyR 1) 2)

DIN Mat No. 2.4711Co-Cr20-Ni15-Mo

UNSR30003

E

RHastelloy is a registered trademark of Cabot CorporationR Elgiloy is a registered trademark of the Elgiloy Company1) NACE-approval2) SlantcoilR spring not available

Quality CriteriaSeals and bearings manufactured by Busak+Shambanare continuously monitored according to strict qualitystandards from material supply to delivery of finishedparts.

Production plants are certified to international standardsEN ISO 9001, covering quality control and managementof purchasing, production and marketing functions.

All testing of materials and products is performed inaccordance with accepted test standards andspecifications.Our sealingmaterials are produced free ofchlorofluorinated hydrocarbons and carcinogenicelements.

The tenth digit of our part number defines the qualitycharacteristics of the part. A hyphen indicates compliancewith standard quality criteria outlined in this catalogue.Customer-specific requirements are indicated by adifferent symbol. Customers who require special qualitycriteria should contact their local Busak+ShambanCompany for assistance.

TurconR VarisealR

10


General Design Instructions

Lead-in Chamfer for Rod Seals

To avoid damage to the rod seal during installation, lead-inchamfers and rounded edges must be designed into therod (Figure 4). If this is not possible, an installation tool willbe required.

C

15_ - 20_

blend radius, polished

Figure 4 Lead-in chamfer for rod seals

Table V Lead-in Chamfer on Rods

The minimum length of the lead-in chamfer (C) dependson the series of the seal as shown in the following table.

Length C minimummm

TurconR VarisealRSeries Number

4.0 RV_0 -

5.0 RV_1 TVM1

5.0 RV_2 TVM2

7.5 RV_3 TVM3

12.0 RV_4 TVM4

12.0 RV_5 -

Lead-in Chamfer for Piston Seals

To avoid damage to the piston seal during installation,lead-in chamfers and rounded edges must be providedon the bores and cylinders (Figure 5). If this is not possible,an installation tool must be used.

C

polishedblend radius

15_ - 20_

Figure 5 Lead-in chamfer for piston seals

Table VI Lead-in Chamfer on Pistons

The minimum length of the lead-in chamfer (C) dependson the series of the seal as shown in the following table.

Length C minimummm

TurconR VarisealRSeries Number

4.0 PV_0

5.0 PV_1

5.0 PV_2

7.5 PV_3

12.0 PV_4

12.0 PV_5

TurconR VarisealR

11


Installation in Closed Grooves

For simple installation of the TurconR VarisealR, werecommend that the grooves be split or that a half-opengroove be designed into the housing. Installation in closedgrooves is possible, depending on the rod and borediameter, as shown in the following tables VII to X.

Rod Seals

d

Radius r max. 0.2

Figure 6 Installation in closed grooves

Note: Roto VarisealR seals can only be installed in splitgrooves.

Piston Seals

D

Radius r max. 0,2

Figure 7 Installation in closed grooves

Table VII Installation of TurconR VarisealR M2and TurconR VarisealR M2S in closedgrooves

Series No. dmin. mm

RVA0 and RVC0 30.0

RVA1 and RVC1 70.0

RVA2 and RVC2 110.0

RVA3 and RVC3 300.0

RVA4 and RVC4 500.0

Table VIII Installation of TurconR VarisealR Hand TurconR VarisealR W in closedgrooves

Series No. dmin. mm

RVE0 and RVW0 25.0

RVE1 and RVW1 65.0

RVE2 and RVW2 110.0

RVE3 and RVW3 230.0

RVE4 and RVW4 400.0

RVE5 700.0

Table IX Installation of TurconR VarisealR M2and TurconR VarisealR M2S in closedgrooves

Series No. Dmin. mm

PVA0 and PVC0 35.0

PVA1 and PVC1 50.0

PVA2 and PVC2 70.0

PVA3 and PVC3 105.0

PVA4 and PVC4 140.0

Table X Installation of TurconR VarisealR Hand TurconR VarisealR W in closedgrooves

Series No. Dmin. mm

PVE0 and PVW0 20.0

PVE1 and PVW1 30.0

PVE2 and PVW2 45.0

PVE3 and PVW3 60.0

PVE4 and PVW4 95.0

PVE5 300.0

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Half-Open Groove Design for Snap Fitting

Z

r1

øD

external sealing

blend radiusY

30_

internal sealingblend radius

Z

ød

30_

r1

X

Figure 8 Groove design

Table XI Dimensions for Groove Design, Snap Fitting - External and Internal SealingExternal sealing

SeriesStepheight

Chamferlength Radii

M2 M2S W H Y1) mm Zmin mm r1 mm

PVA0 PVC0 PVW0 PVE0 0.4 2.5 0.4

PVA1 PVC1 PVW1 PVE1 0.6 3.5 0.4

PVA2 PVC2 PVW2 PVE2 0.7 3.5 0.6

PVA3 PVC3 PVW3 PVE3 0.8 4.5 0.8

PVA4 PVC4 PVW4 PVE4 0.9 7.5 0.8

- - - PVE5 1.5 7.5 0.8

Internal sealingSeries

Stepheight

Chamferlength Radii

M2 M2S W H X1) mm Zmin mm r1 mm

RVA0 RVC0 RVW0 RVE0 0.4 2.5 0.4

RVA1 RVC1 RVW1 RVE1 0.6 3.5 0.4

RVA2 RVC2 RVW2 RVE2 0.7 3.5 0.6

RVA3 RVC3 RVW3 RVE3 0.8 4.5 0.8

RVA4 RVC4 RVW4 RVE4 0.9 7.5 0.8

- - - RVE5 1.5 7.5 0.81) Y max = 0.035 x D 1) X max = 0.02 x dNote: It is not always possible to reach recommended ”Step height”. In case of doubt, contact Busak+Shamban.

Installation of TurconR Roto VarisealR

TurconR Roto VarisealR should only be installed in splitgrooves.

Carry out installation following the steps below for aconcentric and strain-free fit:

- Place seal in the open groove

- Fit the cover and secure loosely

- Install shaft

- Tighten cover onto block

Shaft Bearing and Radial Clearance

Seals should not be used jointly as a seal and bearing asthe sealing function will be reduced. It is recommendedthat the seals are guided with a roller or a slide bearing.Acceptable eccentricity is detailed in table XII.

V-shaped spring

TurconRRoto Variseal

p

Retaining flange

R

Figure 9 TurconR Roto VarisealR

Table XII Permissible Eccentricity forTurconR Roto VarisealR

Series Max. allowable deviationSeries Max. allowable deviationmm

TVM1 0.05

TVM2 0.10

TVM3 0.15

TVM4 0.20

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13


Surface Roughness

The functional reliability and service life of a sealingsystem is dependent upon the quality and surface finish ofthe mating surface to be sealed.

Scores, scratches, pores, concentric or spiral machiningmarks are not permitted. Higher demands must be madeon the surface finish of dynamic mating surfaces than ofstatic mating surfaces. (Table XIII).

The characteristics most frequently used to describe thesurface micro finish Ra, Rz and Rmax are defined in DIN4762/ISO4287/1. These characteristics are not sufficientfor assessing the suitability of a surface finish in sealengineering.

The material contact area Mr (previously percentagecontact area tp) in accordance with ISO 4287/1, mustalso be taken into consideration. The significance of thissurface specification is illustrated in Figure 10. It showsthat specification of Ra and Rz does not describe the profileform accurately enough. The material contact area Mr isessential to assess surface suitability, as the specific profileform determines this parameter. This in turn is directlydependent on the machining process employed. Figure11 shows a printout from a commercially availablesurface measuring instrument. It contains all theinformation necessary to permit a precise description of asurface finish. Busak+Shamban recommends that thefollowing surface finishes be observed:

Table XIII Surface Roughness

Recommended Maximum Surface Roughness µm

Media Rotary Surface1) Reciprocating Surface Static Groove Surface

Cryogenic and low molecular gasesHydrogen, Helium, Freon, OxygenNitrogen

Rmax = 1.0 µmRz = 0.63 µmRa = 0.1 µm

Rmax = 2.5 µmRz = 1.6 µmRa = 0.2 µm


Low viscosity fluidsWater, Alcohols, Hydrazine, Gaseousnitrogen, Natural gas, Skydrol, air




High viscosity fluidsHydraulic oils, Crude oil, Gear oil,Sealants, Glue, Milkproducts




1) The sealing surface must be free from spiral grooves.

The material contact area Mr should be approximately50% to 70%, determined at a cut depth c = 0.25 x Rz,relative to a reference line of Cref. 5%.

Figure 10 shows two surface profiles, both of which givenearly the same values for Rz in the test procedure. Thedifference shows up when the material contact areas arecompared. These show that the upper profile withMr=70% has the better seal to mating surface ratio.

Ra Rz Mr

0.1 1.0 70%

0.2 1.0 15%

closed profile form

open profile form

Surface profile

Figure 10 Profile forms of surfaces

TurconR VarisealR

14


Test ProcedureDependingon the current test program, the test procedurecan contain the following elements:

- Company text (1)

- Workpiece text (2)

- Program number, measurement number,test conditions (3)

- Characteristics (4)

- Material contact area (5)

- Characteristic curves (6)

- Profile curve (7)

1 Busak+ShambanPerthometer S3P V2.1

2 Obj.: Piston rodName: GJDate.: 19.05.9309:40

3 Programm 6Measuring 2T1 RFHTB-50 50 1LT 5.600 mmLM 4.000 mmVB 25.00 µm

4 LC GS 0.800 mmRA 0.079 µmRZ 0.775 µmRMAX 1.215 µmRK 0.221 µmRPK 0.089 µmRVK 0.131 µmLC GS 0.800 mm

5 R MR ( 0.125 5) 0 %R MR ( 0.000 5) 5 % C refR MR (- 0.050 5) 13 %R MR (- 0.100 5) 30 %R MR (- 0.150 5) 52 %R MR (- 0.200 5) 73 %R MR (- 0.250 5) 87 %R MR (- 0.300 5) 95 %R MR (- 0.350 5) 98 %R MR (- 0.400 5) 99 %R MR (- 0.450 5) 99 %R MR (- 0.500 5) 100 %R MR (- 0.550 5) 100 %R MR (- 0.600 5) 100 %

Evaluation of the test procedurea) The values for Ra, Rz and Rmax. correspond to our recommendations.b) The cut length is calculated with c = 0.25 · Rz = 0.25 · 0.775= approx. 0.200 with a material contact area Mr = approx. 70%c) The ratio Rz/Ra = 9.81 indicates a closed profile.

6

7

Figure 11 Measurement printout

TurconR VarisealRM2

15


TurconR VarisealR M2

Description

TurconR VarisealRM2 is a single acting seal consisting ofa U-shaped jacket and a V-shaped corrosion resistantspring.VarisealR M2 has an asymmetric seal profile. The heavyprofile of its dynamic lip with an optimized front angleoffers good leakage control, reduced friction and longservice life.

V-shaped spring

TurconRVariseal M2

p

R

Figure 12 TurconR VarisealR M2

Areas of Application

- Hydraulic components, e.g. cylinders, valves, pumps, etc.

- Chemical processing equipment

- Pharmaceutical processing

- Aerospace

- Food and beverage processing

- Spindle seals for machine tools

- Pneumatics, cylinders and valves

Advantages

- Suitable for reciprocating and rotary applications

- Low coefficient of friction

- Stick-slip free operating

- High abrasion resistance

- Dimensionally stable

- Resistant to most fluids, chemicals and gases

- Withstands rapid changes in temperature

- Safe for contact with food and pharmaceuticals

- Excellent resistance to ageing

- Can be sterilized

- Available in Hi-Clean version

- Interchangeable with O-Ring and Back-up Ringcombinations to MIL - G - 5514F and ISO 6194

Technical DataOperatingpressure: Maximum dynamic load: 45 MPa

(450 bar, 6527 psi)Maximum static load: 60 MPa(600 bar, 8702 psi)

Speed: Reciprocating up to 15m/s (49 ft/sec)Rotating up to 1 m/s (3 ft/sec)

Operatingtemperature: -70 °C (-94 °F) up to

+260 °C (+500 °F)Special TurconR and ZurconR

materials as well alternative springmaterials are available for applicationsoutside this temperature range.

Mediacompatibility: Virtually all fluids, chemicals and

gases.

Note: At high temperatures operatingpressures and speeds are lower.

Standard Materials

Jacket: Material compound T40Spring material: Spring code S (stainless steel),

Material No. 1.4310 (AISI 301)

Series Designation

For rod seal: RVA (internal dynamic surface)For piston seal: PVA (external dynamic surface)

Our installation recommendations canbe foundonpages19 to 22.

TurconR VarisealRM2S

16


TurconR VarisealR M2S

Description

TurconR VarisealRM2S is a single acting seal consistingof a U-shaped jacket and a V-shaped corrosion resistantspring.VarisealRM2S has an asymmetric seal profile. The heavyprofile of its dynamic lip is optimized, offering long servicelife and a good scraping ability even in media with highviscosity.

V-shaped spring

TurconRVariseal M2S

p

R

Figure 13 TurconR VarisealR M2S


- Hydraulic components with highly viscous media

- Food processing, for example bottling plants for dairyand food products

- Pharmaceutical and chemical industries

- Processing of sealing compounds, adhesives, pastes, etc.

- Media with particle ingress

Advantages

- Suitable for reciprocating and rotary movement

- Excellent scraping ability



- Resistant to most fluids and chemicals

- Safe for contact with food and pharmaceuticals


- Can be sterilized


- Interchangeable with O-Ring and Back-up Ringcombinations to MIL - G - 5514F and ISO 6194

Technical Data

Operatingpressure: Maximum dynamic load: 45 MPa


Speed: Reciprocating up to 10m/s (33 ft/sec)Rotating up to 0.5 m/s (1.6 ft/sec)


+260 °C (+500 °F)Special TurconR and ZurconR

materials as well alternative springmaterials are available forapplications outside this temperaturerange.

Mediacompatibility: Fluids of medium to high viscosity or

containing hard particles.


Standard Materials

Jacket: Material code T40Spring material: Spring code S (stainless steel),


Series Designation

For piston seal: PVC (external dynamic surface)For rod seal: RVC (internal dynamic surface)


TurconR VarisealRW

17


TurconR VarisealR W

Description

TurconR VarisealRW is a single acting seal consisting ofa U-shaped jacket and a corrosion resistant SlantcoilR

spring.The SlantcoilR spring in the VarisealR W provides analmost constant load irrespective of hardware, tolerances,eccentricity and seal wear.

SlantcoilR Springp

TurconR

VarisealR W

Figure 14 TurconR VarisealR W


- Hydraulic or pneumatic measuring instruments

- Servo valves, pressure switches

- Electronic equipment

- Laboratory apparatus

Advantages

- Suitable for reciprocating and rotary movement

- Constant initial squeeze of spring over a large control area

- Almost constant friction for low-pressure applications=2 MPa (20 bar, 290 psi)



- Resistant to most fluids, chemicals and gases


- Interchangeable with O-Ring and Back-up Ringcombination to MIL - G - 5514F and ISO 6194

Technical Data



Speed: Reciprocating up to 15m/s (49 ft/sec)Rotating up to 1 m/s (3 ft/sec)


+230 °C (+446 °F)


gases.


Standard Materials

Jacket: Material code T40Spring material: Spring code S

(stainless steel),Material No. 1.4310 (AISI 301)

Series Designation

For piston seal: PVW (external dynamic surface)For rod seal: RVW (internal dynamic surface)


TurconR VarisealRH

18


Turcon VarisealR H

Description

TurconR VarisealR H is a single acting seal consisting ofaU-shaped jacket anda helical wound corrosion resistantspring.The helical ribbon spring of VarisealRH has a high springloading, which gives excellent sealing integrity at lowpressure and even in vacuum. VarisealR H is suitable forstatic applications and ideal in low speed applications.

Helical spring

TurconRVariseal H

p

R

Figure 15 TurconR VarisealR H


- Compressors

- Ball valves

- Construction equipment and plant

- Chemical processing

- Crude oil and natural gas installations

- Cryogenic engineering

- Nuclear power engineering

- Aerospace

- Vacuum applications

- Pivot joints

- Gas chromatographs

Advantages

- High contact pressure

- Excellent sealing integrity in gas and fluid applications


- Good sealing ability when surfaces are not ideal

- No assembly tools are required for larger diameter seals


- Interchangeable with O-Ring and Back-up Ringcombinations

Technical Data



Speed: Reciprocating up to 5 m/s (16 ft/sec)Rotating up to 0.1 m/s (0.3 ft/sec)


+260 °C (+500 °F)


gases.

Note: Consult Busak+Shamban forapplications outside these parameters.

Standard Materials



Series Designation

Rod seal: RVE (internal dynamic surface)Piston seal: PVE (external dynamic surface)

Our Installation recommendations can be found onpages 19 to 22.

TurconR VarisealR M2, M2S, W and H

19


Installation Recommendations for Rod Seals - Types M2, M2S, W and H

L1

r1

d1 d

S

Split groove

Type

Profileform

M2 W HM2S

Series No. RVA RVC RVW RVE

Installation in closed andhalf-open groove, see pages 11-12

Figure 16 Installation drawing

Table XIV Installation Dimensions

Series number for types Rod Diameterd h9 mm

GrooveDiameter

GrooveWidth

Radius Radial Clearance3)S max.* mm

M2 M2S W H StandardRange

Extended1)Range

d1 H9mm

L1 +0.2mm

r1mm

<2 MPa(20 bar)

<10 MPa(100 bar)

<20 MPa(200 bar)

<40 MPa(400 bar)

RVA0 RVC0 RVW0 RVE0 3.0 - 9.9 3.0 - 40.03) d + 2.9 2.4 0.4 0.20 0.10 0.08 0.05

RVA1 RVC1 RVW1 RVE1 10.0 - 19.9 6.0 - 200.02) d + 4.5 3.6 0.4 0.25 0.15 0.10 0.07

RVA2 RVC2 RVW2 RVE2 20.0 - 39.9 10.0 - 400.02) d + 6.2 4.8 0.6 0.35 0.20 0.15 0.08

RVA3 RVC3 RVW3 RVE3 40.0 - 119.9 20.0 - 700.02) d + 9.4 7.1 0.8 0.50 0.25 0.20 0.10

RVA4 RVC4 RVW4 RVE4 120.0 - 630.0 35.0 -1600.02) d + 12.2 9.5 0.8 0.60 0.30 0.25 0.12

- - - RVE5 1000.0 - 2500.9 80.0 -2500.02) d + 19.0 15.0 0.8 0.90 0.50 0.40 0.20

* At pressures > 40 MPa:S max. = H8/f8 reference limit and fits BS EN 20286 - 1 & 2

1) Available on request2) For diameters larger than the standard range and for pressures above40 MPa contact Busak+Shamban.

3) We recommend that the gap dimensions be reduced fortemperatures≥ 80 _C (176 _F)

Ordering ExampleTurconR VarisealR Type M2, Series number RVA3 from TableXIV.Rod diameter: d = 80.0 mmPart number: RV - 300800

(from Table XV).For selection of another seal type, insert the appropriateSeries number at the beginning of the Order number.

Other materials:Seal ring materials, see page 5, Table III.Spring materials, see page 9, Table IV.** For diameters ≥ 1000 mmmultiply only by factor 1. Ex-ample: RVE5 for diameter 1200 mm.Order number.: RVE5X1200 - T40S.

Material code - Seal ring

Series No.

Ordernumber. 0800 T40- S

Material code - Spring

Rod Diameter x 10**

RVA3

Quality Index (Standard)

Type (Standard)

0 (D)

Hi-Clean - (option)

TurconR VarisealRM2, M2S, W and H

20


Table XV Preferred Series / Internal Sealing

RodDiameter

GrooveDiameter

GrooveWidth

Part number

d h9mm

d1 H9mm

L1 +0.2mm

3.0 5.9 2.4 RV - 000030

4.0 6.9 2.4 RV - 000040

5.0 7.9 2.4 RV - 000050

6.0 8.9 2.4 RV - 000060

8.0 10.9 2.4 RV - 000080

10.0 14.5 3.6 RV - 100100

12.0 16.5 3.6 RV - 100120

14.0 18.5 3.6 RV - 100140

15.0 19.5 3.6 RV - 100150

16.0 20.5 3.6 RV - 100160

18.0 22.5 3.6 RV - 100180

20.0 26.2 4.8 RV - 200200

22.0 28.2 4.8 RV - 200220

25.0 31.2 4.8 RV - 200250

28.0 34.2 4.8 RV - 200280

30.0 36.2 4.8 RV - 200300

32.0 38.2 4.8 RV - 200320

35.0 41.2 4.8 RV - 200350

36.0 42.2 4.8 RV - 200360

40.0 49.4 7.1 RV - 300400

42.0 51.4 7.1 RV - 300420

45.0 54.4 7.1 RV - 300450

48.0 57.4 7.1 RV - 300480

50.0 59.4 7.1 RV - 300500

52.0 61.4 7.1 RV - 300520

55.0 64.4 7.1 RV - 300550

56.0 65.4 7.1 RV - 300560

60.0 69.4 7.1 RV - 300600

63.0 72.4 7.1 RV - 300630

65.0 74.4 7.1 RV - 300650

70.0 79.4 7.1 RV - 300700

75.0 84.4 7.1 RV - 300750

80.0 89.4 7.1 RV - 300800

The rod diameters in bold type correspond to the recommendations ofISO 3320.Other dimensions and intermediate sizes up to 2500 mm diameter, in-cluding imperial (inch) sizes can be supplied.

** For diameters ≥ 1000 mm multiply only by factor 1.Example: RVE5X for diameter 1200 mm.Order number: RVE5X1200 - T40S.

RodDiameter

GrooveDiameter

GrooveWidth

Part number

d h9mm

d1 H9mm

L1 +0.2mm

85.0 94.4 7.1 RV - 300850

90.0 99.4 7.1 RV - 300900

95.0 104.4 7.1 RV - 300950

100.0 109.4 7.1 RV - 301000

105.0 114.4 7.1 RV - 301050

110.0 119.4 7.1 RV - 301100

115.0 124.4 7.1 RV - 301150

120.0 132.2 9.5 RV - 401200

125.0 137.2 9.5 RV - 401250

130.0 142.2 9.5 RV - 401300

135.0 147.2 9.5 RV - 401350

140.0 152.2 9.5 RV - 401400

150.0 162.2 9.5 RV - 401500

160.0 172.2 9.5 RV - 401600

170.0 182.2 9.5 RV - 401700

180.0 192.2 9.5 RV - 401800

190.0 202.2 9.5 RV - 401900

200.0 212.2 9.5 RV - 402000

210.0 222.2 9.5 RV - 402100

220.0 232.2 9.5 RV - 402200

230.0 242.2 9.5 RV - 402300

240.0 252.2 9.5 RV - 402400

250.0 262.2 9.5 RV - 402500

280.0 292.2 9.5 RV - 402800

300.0 312.2 9.5 RV - 403000

320.0 332.2 9.5 RV - 403200

350.0 362.2 9.5 RV - 403500

360.0 372.2 9.5 RV - 403600

400.0 412.2 9.5 RV - 404000

Determination of the Article number

Material code - Seal ring (page 6)

Series number

- - - - - - -- -

Material code - Spring (page 10)

Rod Diameter x 10**

RV--


Type (Standard)

- -

Hi-Clean - (option) D

TurconR VarisealR M2, M2S, W and H

21


Installation Recommendations for Piston Seals - Types M2, M2S, W and H

Split groove

Type

Profile-form

M2 W HM2S

Series No. PVA PVC PVW PVE

S

L1r1

D D1

Installation in closed andhalf-open groove, see pages 11-12


Table XVI Installation Dimensions

Series number for types Bore DiameterD H9 mm

GrooveDiameter

GrooveWidth

Radius Radial Clearance3)S max.* mm

M2 M2S W H StandardRange

Extended1)Range

D1 h9mm

L1 +0.2mm

r1mm

<2 MPa(20 bar)

<10 MPa(100 bar)

<20 MPa(200 bar)

<40 MPa(400 bar)

PVA0 PVC0 PVW0 PVE0 6.0 - 13.9 6.0 - 40.0 D - 2.9 2.4 0.4 0.20 0.10 0.08 0.05

PVA1 PVC1 PVW1 PVE1 14.0 - 24.9 10.0 - 200.02) D - 4.5 3.6 0.4 0.25 0.15 0.10 0.07

PVA2 PVC2 PVW2 PVE2 25.0 - 45.9 16.0 - 400.02) D - 6.2 4.8 0.6 0.35 0.20 0.15 0.08

PVA3 PVC3 PVW3 PVE3 46.0 - 124.9 28.0 - 700.02) D - 9.4 7.1 0.8 0.50 0.25 0.20 0.10

PVA4 PVC4 PVW4 PVE4 125.0 - 630.0 45.0 - 1600.02) D - 12.2 9.5 0.8 0.60 0.30 0.25 0.12

- - - PVE5 1000.0 -2500.0 100.0 - 2500.02) D - 19.0 15.0 0.8 0.90 0.50 0.40 0.20

* At pressures > 40 MPa:S max. = H8/f8 reference limit and fits BS EN 20286 - 1 & 2

1) Available on request2) For diameters larger than the standard range and for pressures above40 MPa contact Busak+Shamban.

3) We recommend that the gap dimensions be reduced for temperatures≥ 80 _C (176 _F).

Ordering ExampleTurconR VarisealR Type M2, Series number PVA3 fromTable XVI.Bore diameter: D = 80.0 mmPart number: PV - 300800

(from Table XVII).For selection of another seal type, insert the appropriateSeries number at the beginning of the Order number.

Other materials:Seal ring materials, see page 5, Table III.Spring materials, see page 9, Table IV.** For diameters ≥ 1000 mmmultiply only by factor 1. Ex-ample: PVE5 for diameter 1200 mm.Order number: PVE5X1200 - T40S.


Series number

Order number. 0800 T40- S


Bore Diameter x 10**

PVA3


Type (Standard)

0 (D)

Hi-Clean - (option)

TurconR VarisealRM2, M2S, W and H

22


Table XVII Preferred Series / External Sealing

BoreDiameter

GrooveDiameter

GrooveWidth

Part number

D H9mm

D1 h9mm

L1 +0.2mm

6.0 3.1 2.4 PV - 000060

8.0 5.1 2.4 PV - 000080

10.0 7.1 2.4 PV - 000100

12.0 9.1 2.4 PV - 000120

14.0 9.5 3.6 PV - 100140

15.0 10.5 3.6 PV - 100150

16.0 11.5 3.6 PV - 100160

18.0 13.5 3.6 PV - 100180

20.0 15.5 3.6 PV - 100200

22.0 17.5 3.6 PV - 100220

25.0 18.8 4.8 PV - 200250

28.0 21.8 4.8 PV - 200280

30.0 23.8 4.8 PV - 200300

32.0 25.8 4.8 PV - 200320

35.0 28.8 4.8 PV - 200350

40.0 33.8 4.8 PV - 200400

42.0 35.8 4.8 PV - 200420

45.0 38.8 4.8 PV - 200450

48.0 38.6 7.1 PV - 300480

50.0 40.6 7.1 PV - 300500

52.0 42.6 7.1 PV - 300520

55.0 45.6 7.1 PV - 300550

56.0 46.6 7.1 PV - 300560

60.0 50.6 7.1 PV - 300600

63.0 53.6 7.1 PV - 300630

65.0 55.6 7.1 PV - 300650

70.0 60.6 7.1 PV - 300700

75.0 65.6 7.1 PV - 300750

80.0 70.6 7.1 PV - 300800

85.0 75.6 7.1 PV - 300850

The bore diameters in bold type correspond to the recommendationsof ISO 3320.Other dimensions and intermediate sizes up to 2500 mm diameter, in-cluding imperial (inch) sizes can be supplied.

** For diameters ≥ 1000 mm multiply only by factor 1.Example: PVE5 for diameter 1200 mm.Order no.: PVE5X1200 - T40S.

BoreDiameter

GrooveDiameter

GrooveWidth

Part number

D H9mm

D1 h9mm

L1 +0.2mm

90.0 80.6 7.1 PV - 300900

95.0 85.6 7.1 PV - 300950

100.0 90.6 7.1 PV - 301000

110.0 100.6 7.1 PV - 301100

115.0 105.6 7.1 PV - 301150

120.0 110.6 7.1 PV - 301200

125.0 112.8 9.5 PV - 401250

130.0 117.8 9.5 PV - 401300

135.0 122.8 9.5 PV - 401350

140.0 127.8 9.5 PV - 401400

150.0 137.8 9.5 PV - 401500

160.0 147.8 9.5 PV - 401600

170.0 157.8 9.5 PV - 401700

180.0 167.8 9.5 PV - 401800

190.0 177.8 9.5 PV - 401900

200.0 187.8 9.5 Pv - 402000

210.0 197.8 9.5 PV - 402100

220.0 207.8 9.5 PV - 402200

230.0 217.8 9.5 PV - 402300

240.0 227.8 9.5 PV - 402400

250.0 237.8 9.5 PV - 402500

280.0 267.8 9.5 PV - 402800

300.0 287.8 9.5 PV - 403000

320.0 307.8 9.5 PV - 403200

350.0 337.8 9.5 PV - 403500

400.0 387.8 9.5 PV - 404000

420.0 407.8 9.5 PV - 404200

450.0 437.8 9.5 PV - 404500

480.0 467.8 9.5 PV - 404800

500.0 487.8 9.5 PV - 405000

Determination of the Article number

Material code - Seal ring (page 6)

Series number

- - - - - - -- -

Material code - Spring (page 10)

Bore Diameter x 10**

PV - -


Type (Standard)

- -

Hi-Clean - (option) D

TurconR VarisealRHF

23


TurconR VarisealR HF

Description

TurconR VarisealRHF is the standard seal for axial (face)applications. It has the same high sealing load asVarisealRHand is available for both internal and externalpressure.The heavy helical spring in VarisealRHF makes it the bestchoice for vacuum, gas, and low temperature flangesealing applications.

Helical spring

TurconR VarisealR HF

Figure 18 TurconR VarisealR HF


- Compressor housings

- Construction equipment and plant

- Chemical processing

- Crude oil and natural gas installations

- Cryogenic engineering

- Nuclear power

- Aerospace

- Vacuum applications

- Pivot joints

Advantages

- High sealing pressure

- Excellent sealing integrity in gas and fluid applications


- Good sealing when surfaces are not good

- Easy installation

- Unlimited shelf life

Technical Data



Speed: Static to slow rotating or pivotingmovements


+260 °C (+500 °F)


gases.

Note: Consult Busak+Shamban forapplications outside these parameters.

Standard Materials

Jacket: Material code T05Spring material: Spring code S

(stainless steel),Material No. 1.4310 (AISI 301)

Series Designation

For external pressure: DVLFor internal pressure: DVE

Our installation recommendations are on pages 24 to 27.

TurconR VarisealRHF

24


Installation Recommendations for TurconR VarisealR HFFlange Seals for Internal Pressure

DVE

d7

b4

r1

h


Table XVIII Installation Dimensions

Seriesnumber

Groove Outside Diameterd7 H11mm

GrooveWidthb4 mm

Groove Depth Radius

r1 mm

Recommended Range Extended Range1) min. h mm Tol. mm max.

DVE0 10 - 13.9 10 - 40 2.4 1.45 +0.03 0.4

DVE1 14 - 24.9 13 - 200 3.6 2.25 +0.05 0.4

DVE2 25 - 45.9 18 - 400 4.8 3.10 +0.08 0.6

DVE3 46 - 124.9 28 - 700 *) 7.1 4.70 +0.10 0.8

DVE4 125 - 999.9 **) 45 - 1000 **) 9.5 6.10 +0.15 0.8

DVE5 1000 - 2500.0 ***) 110 - 2500 ***) 15.0 9.50 +0.20 0.8

*) For diameters above 600 mm b4 min. = 8.0 mm**) For diameters above 600 mm b4 min. = 11.0 mm***) For diameters above 1000 mm b4 min. = 18.0 mm

1) Available on request

Ordering ExampleTurconR VarisealR HF for internal pressure, Series DVE3(from Table XVIII)Groove outside diameter: d7 = 80.0 mmPart number: DVE300800 (from Table XIX)

Materials:Seal ring materials, see page 5, Table III.Spring materials, see page 9, Table IV.

** For diameters ≥ 1000 mmmultiply only by factor 1. Ex-ample: DVE5 for diameter 1200 mm.Order number: DVE5X1200 - T05S.


Series number

Order number 0800 T05- S


Groove Out. Diam. x 10**

DVE3


Type (Standard)

0

TurconR VarisealRHF

25


Table XIX Preferred Series / Part numbersfor Internal Pressure

GrooveOutsideDiameter

GrooveWidth

GrooveDepth

Part number

d7 H11mm

b4mm

h1)mm

10.0 2.4 1.45 DVE000100

12.0 2.4 1.45 DVE000120

14.0 3.6 2.25 DVE100140

15.0 3.6 2.25 DVE100150

16.0 3.6 2.25 DVE100160

18.0 3.6 2.25 DVE100180

20.0 3.6 2.25 DVE100200

22.0 3.6 2.25 DVE100220

25.0 4.8 3.10 DVE200250

28.0 4.8 3.10 DVE200280

30.0 4.8 3.10 DVE200300

32.0 4.8 3.10 DVE200320

35.0 4.8 3.10 DVE200350

36.0 4.8 3.10 DVE200360

40.0 4.8 3.10 DVE200400

42.0 4.8 3.10 DVE200420

45.0 4.8 3.10 DVE200450

48.0 7.1 4.70 DVE300480

50.0 7.1 4.70 DVE300500

52.0 7.1 4.70 DVE300520

55.0 7.1 4.70 DVE300550

56.0 7.1 4.70 DVE300560

60.0 7.1 4.70 DVE300600

63.0 7.1 4.70 DVE300630

65.0 7.1 4.70 DVE300650

70.0 7.1 4.70 DVE300700

75.0 7.1 4.70 DVE300750

80.0 7.1 4.70 DVE300800

85.0 7.1 4.70 DVE300850

90.0 7.1 4.70 DVE300900

95.0 7.1 4.70 DVE300950

100.0 7.1 4.70 DVE301000

105.0 7.1 4.70 DVE301050

110.0 7.1 4.70 DVE301100

115.0 7.1 4.70 DVE301150

120.0 7.1 4.70 DVE301200

122.0 7.1 4.70 DVE301220

125.0 9.5 6.10 DVE401250

130.0 9.5 6.10 DVE401300

GrooveOutsideDiameter

GrooveWidth

GrooveDepth

Part number

d7 H11mm

b4mm

h1)mm

135.0 9.5 6.10 DVE401350

140.0 9.5 6.10 DVE401400

150.0 9.5 6.10 DVE401500

160.0 9.5 6.10 DVE401600

170.0 9.5 6.10 DVE401700

180.0 9.5 6.10 DVE401800

190.0 9.5 6.10 DVE401900

200.0 9.5 6.10 DVE402000

210.0 9.5 6.10 DVE402100

220.0 9.5 6.10 DVE402200

230.0 9.5 6.10 DVE402300

240.0 9.5 6.10 DVE402400

250.0 9.5 6.10 DVE402500

280.0 9.5 6.10 DVE402800

300.0 9.5 6.10 DVE403000

320.0 9.5 6.10 DVE403200

350.0 9.5 6.10 DVE403500

360.0 9.5 6.10 DVE403600

400.0 9.5 6.10 DVE404000

420.0 9.5 6.10 DVE404200

450.0 9.5 6.10 DVE404500

480.0 9.5 6.10 DVE404800

500.0 9.5 6.10 DVE405000

All intermediate sizes up to 500 mm diameter can be supplied. Sizes >500 mm diameter up to 2500 mm diameter on request.

1) Tolerances for groove depth, see Table XVIII.

TurconR VarisealRHF

26


Installation Recommendations for TurconR VarisealR HFFlange Seals for External Pressure / Vacuum

d8 b4

r1

h

DVL

Pressure


Table XX Installation Dimensions

Seriesnumber

Groove Inside Diameter

d8 h11 mm

Groove Width

b4 mm

Groove Depth Radius

r1 mm

Recommended Range Extended Range1) min. h mm Tol. mm max.

DVL0 3 - 9.9 3 - 40 2.4 1.45 +0.03 0.4

DVL1 10 - 19.9 8 - 200 3.6 2.25 +0.05 0.4

DVL2 20 - 39.9 12 - 400 4.8 3.10 +0.08 0.6

DVL3 40 - 119.9 20 - 700 *) 7.1 4.70 +0.10 0.8

DVL4 120 - 999.9 **) 35 - 1000 **) 9.5 6.10 +0.15 0.8

DVL5 1000 - 2500.0 ***) 80 - 2500 ***) 15.0 9.50 +0.20 0.8

*) For diameters above 600 mm b4 min. = 8.0 mm**) For diameters above 600 mm b4 min. = 11.0 mm***) For diameters above 1000 mm b4 min. = 18.0 mm

1) Available on request

Ordering ExampleTurconR VarisealR HF for external pressure, Series DVL3(from Table XX).Groove inside diameter: d8 = 80.0 mmPart number: DVL300800 (from Table XXI)

Materials:Seal ring materials, see page 5, Table III.Spring materials, see page 9, Table IV.

** For diameters ≥ 1000 mmmultiply only by factor 1. Ex-ample: DVL5 for diameter 1200 mm.Order number: DVL5X1200 - T05S.


Series number



Groove Ins. Diam. x 10**

DVL3


Type (Standard)

0

TurconR VarisealRHF

27


Table XXI Preferred Series / Part numbersfor External Pressure / Vacuum

Groove In-side

Diameter

GrooveWidth

GrooveDepth

Part number

d8 h11mm

b4mm

h1)mm

4.0 2.4 1.45 DVL000040

5.0 2.4 1.45 DVL000050

6.0 2.4 1.45 DVL000060

8.0 2.4 1.45 DVL000080

10.0 3.6 2.25 DVL100100

12.0 3.6 2.25 DVL100120

14.0 3.6 2.25 DVL100140

15.0 3.6 2.25 DVL100150

16.0 3.6 2.25 DVL100160

18.0 3.6 2.25 DVL100180

20.0 4.8 3.10 DVL200200

22.0 4.8 3.10 DVL200220

25.0 4.8 3.10 DVL200250

28.0 4.8 3.10 DVL200280

30.0 4.8 3.10 DVL200300

32.0 4.8 3.10 DVL200320

35.0 4.8 3.10 DVL200350

36.0 4.8 3.10 DVL200360

40.0 7.1 4.70 DVL300400

42.0 7.1 4.70 DVL300420

45.0 7.1 4.70 DVL300450

48.0 7.1 4.70 DVL300480

50.0 7.1 4.70 DVL300500

52.0 7.1 4.70 DVL300520

55.0 7.1 4.70 DVL300550

56.0 7.1 4.70 DVL300560

60.0 7.1 4.70 DVL300600

63.0 7.1 4.70 DVL300630

65.0 7.1 4.70 DVL300650

70.0 7.1 4.70 DVL300700

75.0 7.1 4.70 DVL300750

80.0 7.1 4.70 DVL300800

85.0 7.1 4.70 DVL300850

90.0 7.1 4.70 DVL300900

95.0 7.1 4.70 DVL300950

100.0 7.1 4.70 DVL301000

105.0 7.1 4.70 DVL301050

110.0 7.1 4.70 DVL301100

115.0 7.1 4.70 DVL301150

Groove In-side

Diameter

GrooveWidth

GrooveDepth

Part number

d8 h11mm

b4mm

h1)mm

120.0 9.5 6.10 DVL401200

125.0 9.5 6.10 DVL401250

130.0 9.5 6.10 DVL401300

135.0 9.5 6.10 DVL401350

140.0 9.5 6.10 DVL401400

150.0 9.5 6.10 DVL401500

160.0 9.5 6.10 DVL401600

170.0 9.5 6.10 DVL401700

180.0 9.5 6.10 DVL401800

190.0 9.5 6.10 DVL401900

200.0 9.5 6.10 DVL402000

210.0 9.5 6.10 DVL402100

220.0 9.5 6.10 DVL402200

230.0 9.5 6.10 DVL402300

240.0 9.5 6.10 DVL402400

250.0 9.5 6.10 DVL402500

280.0 9.5 6.10 DVL402800

300.0 9.5 6.10 DVL403000

320.0 9.5 6.10 DVL403200

350.0 9.5 6.10 DVL403500

360.0 9.5 6.10 DVL403600

400.0 9.5 6.10 DVL404000

420.0 9.5 6.10 DVL404200

450.0 9.5 6.10 DVL404500

480.0 9.5 6.10 DVL404800

500.0 9.5 6.10 DVL405000

All intermediate sizes up to 500 mm diameter can be supplied.Sizes > 500 mm diameter up to 2500 mm diameter on request.

1) Tolerances for groove depth, see Table XX.

TurconR Roto VarisealR

28



Description

Roto VarisealR is excellent in rotary, reciprocating andstatic applications, when there is a need to lock the sealin the groove.The standard VarisealR for rotary applications, TurconR

Roto VarisealR is a single acting seal consisting of aU-shaped jacket and a V-shaped corrosion resistantspring.Roto VarisealR has a flanged heel, which prevents the sealfrom rotating in the groove and a short heavy dynamic lipthat reduces friction. This gives a long service life andgood scraping ability, even in media of high viscosity.

V-shaped spring

TurconRRoto Variseal

p

Retaining flange

R

Figure 21 TurconR Roto VarisealR


- Rotary shafts on general hydraulic applications

- Plastic injection molding machines

- Rotating and pivoting arms

- Gearbox shafts

Advantages

- Suitable for rotary, reciprocating and static applications

- Protects against mechanical torsion

- Low coefficient of friction

- Remains tight in groove even when subject to oscillatingor helical movements




- Good scraping ability

- Can be sterilized


Technical Data



Speed: Reciprocating up to 10m/s (33 ft/sec)Rotating up to 2 m/s (6.5 ft/sec)

Temperature: -100 °C (-148 °F) up to+260 °C (+500 °F)


gases


Standard Materials



Series Designation

Roto VarisealR TVM

Our installation recommendations canbe foundonpages30 and 31.


29


Frictional Force

Indicative values for frictional force are included in Figure22. Frictional force is given as a function of sliding speedand operating pressure for a shaft diameter of 50 mm (2inches) at an oil temperature of 60 °C (140 °F). Theoperating limits are lower at higher temperatures.

Indicative values for other shaft diameters can becalculated from the formula:

dP≅ P50 x

50 mm( ) [W]

Frictionalforce

P

Pressure

400

W

300

200

100

0

0 10 20 30MPa

0.15 m/s

0.25 m/s

1 m/s

0.5 m/s

Shaft diameter 50 mm

50

Figure 22 Frictional force for TurconR Roto VarisealR

The indicative values apply for constant operatingconditions. Changes in these, such as pressurefluctuations or direction of rotation can result insignificantly higher frictional values.

Application Limits

The maximum operating limits for temperature, pressureand speed are dependent upon one another andtherefore cannot all apply at the same time.

The lubrication properties of the media to be sealed andheat dissipation must also be taken into consideration.

The following pv values can be used as general guidelines:

Poor lubrication up to pv = 2 MPa x m/sGood lubrication up to pv = 5 MPa x m/sVery good cooling up to pv = 8 MPa x m/s

These values are lower for diameters <50mm (2 inches).Tests of these characteristics are recommended toestablish application limits.

Mating Surface Materials

Sealing of applications with rotating movements requirevery goodmating surfaces. Aminimum hardness 55 HRCis recommended to a hardening depth of at least 0.3mm.

Particular attention must be paid to coated surfaces andgood heat dissipation through the coating is required.

Note: Table XII on page 12 gives permissibleeccentricity for TurconR Roto VarisealR.


30


Installation Recommendations for TurconR Roto VarisealR

L1r

k

blend radius

dTVM

L2d1d2

S

30d


Table XXII Installation Dimensions

Seriesnumber

Rod Diameter

d f8/h9mm

Groove Diameter Groove Width Lead-inChamfer

Radius Radial Clearance

S max.mm

StandardRange

Extended1)2)Range

d1 H9mm

d2 H10mm

L1 minmm

L2mm

kmm

rmm

<2 MPa(20 bar)

<10 MPa(100 bar)

<20 MPa(200 bar)

TVM1 5.0 - 19.9 20.0 - 200.0 d + 5.0 d + 9.0 3.6 0.85 +0-0.1

0.8 0.3 0.25 0.15 0.10

TVM2 20.0 - 39.9 10.0 - 400.0 d + 7.0 d + 12.5 4.8 1.35 +0-0.15

1.1 0.4 0.35 0.20 0.15

TVM3 40.0 - 399.9 20.0 - 700.0 d + 10.5 d + 17.5 7.1 1.80 +0-0.20

1.4 0.5 0.50 0.25 0.20

TVM4 400.0 - 999.9 35.0 - 999.9 d + 14.0 d + 22.0 9.5 2.80 +0-0.20

1.6 0.5 0.60 0.30 0.25

1) Available on request 2) For diameters larger than the standard range contact Busak+Shamban

Ordering ExampleTurconR Roto VarisealR, standard series TVM3 (fromTable XXII).Rod diameter: d = 80.0 mmPart number TVM300800 (from Table XXIII)

Materials:Seal ring materials, see page 5, Table III.Spring materials, see page 9, Table IV.Installation instructions, see page 12

** For diameters ≥ 1000 mm multiply only by factor 1.Example: TVM4 for diameter 1200 mm.Order number: TVM4X1200 - T40S.


Series number



Rod Diameter x 10**

TVM3


Type (Standard)

0 (D)

Hi-Clean - (option)


31


Table XXIII Preferred Series / Part numbersfor TurconR Roto VarisealR

RodDiameter

Groove Di-ameter

GrooveWidth

Part number

d f8/h9mm

d1 H9mm

L1 min.mm

5.0 10.0 3.6 TVM100050

6.0 11.0 3.6 TVM100060

8.0 13.0 3.6 TVM100080

10.0 15.0 3.6 TVM100100

12.0 17.0 3.6 TVM100120

14.0 19.0 3.6 TVM100140

15.0 20.0 3.6 TVM100150

16.0 21.0 3.6 TVM100160

18.0 23.0 3.6 TVM100180

20.0 27.0 4.8 TVM200200

22.0 29.0 4.8 TVM200220

25.0 32.0 4.8 TVM200250

28.0 35.0 4.8 TVM200280

30.0 37.0 4.8 TVM200300

32.0 39.0 4.8 TVM200320

35.0 42.0 4.8 TVM200350

36.0 43.0 4.8 TVM200360

40.0 50.5 7.1 TVM300400

42.0 52.5 7.1 TVM300420

45.0 55.5 7.1 TVM300450

48.0 58.5 7.1 TVM300480

50.0 60.5 7.1 TVM300500

52.0 62.5 7.1 TVM300520

55.0 65.5 7.1 TVM300550

56.0 66.5 7.1 TVM300560

60.0 70.5 7.1 TVM300600

63.0 73.5 7.1 TVM300630

65.0 75.5 7.1 TVM300650

70.0 80.5 7.1 TVM300700

75.0 85.5 7.1 TVM300750

80.0 90.5 7.1 TVM300800

85.0 95.5 7.1 TVM300850

90.0 100.5 7.1 TVM300900

95.0 105.5 7.1 TVM300950

100.0 110.5 7.1 TVM301000

105.0 115.5 7.1 TVM301050

110.0 120.5 7.1 TVM301100

115.0 125.5 7.1 TVM301150

120.0 130.5 7.1 TVM301200

RodDiameter

Groove Di-ameter

GrooveWidth

Part number

d f8/h9mm

d1 H9mm

L1 min.mm

125.0 135.5 7.1 TVM301250

130.0 140.5 7.1 TVM301300

135.0 145.5 7.1 TVM301350

140.0 150.5 7.1 TVM301400

150.0 160.5 7.1 TVM301500

160.0 170.5 7.1 TVM301600

170.0 180.5 7.1 TVM301700

180.0 190.5 7.1 TVM301800

190.0 200.5 7.1 TVM301900

200.0 210.5 7.1 TVM302000

210.0 220.5 7.1 TVM302100

220.0 230.5 7.1 TVM302200

230.0 240.5 7.1 TVM302300

240.0 250.5 7.1 TVM302400

250.0 260.5 7.1 TVM302500

280.0 290.5 7.1 TVM302800

300.0 310.5 7.1 TVM303000

320.0 330.5 7.1 TVM303200

350.0 360.5 7.1 TVM303500

360.0 370.5 7.1 TVM303600

400.0 414.0 9.5 TVM404000

420.0 434.0 9.5 TVM404200

450.0 464.0 9.5 TVM404500

480.0 494.0 9.5 TVM404800

500.0 514.0 9.5 TVM405000

600.0 614.0 9.5 TVM406000

700.0 714.0 9.5 TVM407000

The rod diameters in bold type correspond to the recommendations ofISO 3320.

Other dimensions and intermediate sizes up to 2500 mm diameter,including imperial (inch) sizes can be supplied.

TurconR VarisealR

32


Special Types

TurconR VarisealR Hi-CleanTurconR VarisealR M2, M2S and Roto VarisealR areavailable with the spring groove filled with hightemperature silicone. Extremely important in food andpharmaceutical processing, this prevents trapping ofcontaminants within the seal, making it easier to clean.VarisealR Hi-Clean is also ideal for dirty environmentswhere it may be in contact with mud, slurry or sand. Inthese applications, the silicone maintains the flexibility ofthe spring and seal lips.

Advantages- No dead space- Can be sterilized easily- Silicone compound increases sealing pressure

TurconRVariseal

V-shaped spring

Silicone

p

R

Figure 24 TurconR VarisealR Hi-Clean

When ordering VarisealRHi-Clean, add the letterD to theend of the material code.

Order number ExampleRVC200350 - T40SD

TurconR VarisealR with Extended HeelAll TurconR VarisealR types except the TurconR RotoVarisealR can be supplied with an extended heel as analternative to existing O-Ring groove versions, with orwithout back-up ring (Figure 25 + 26).

This version is recommended also for high-pressureapplications or when the extrusion gap is larger thanprescribed.

L3

L1

Pressure

Pressure

StandardO-Ring groovewithout Back-up Ring

Extended HeelO-Ring groove withone Back-up Ring

Figure 25 Standard O-Ring groove without and withBack-up Ring

L3

L1

Pressure

Pressure

StandardGroove with standardTurconR VarisealR

Extended HeelGroove with extendedheel TurconR VarisealR

Figure 26 Standard TurconR VarisealR and TurconR

VarisealR with extended heel

TurconR VarisealR

33


Table XXIV Groove Widths

Series No. Groove WidthSeries No.Rod Piston L1 mm L3 mm

RV_0 PV_0 2.40 3.80

RV_1 PV_1 3.60 4.65

RV_2 PV_2 4.80 5.70

RV_3 PV_3 7.10 8.50

RV_4 PV_4 9.50 11.20

RV_5 PV_5 15.00 20.00

Groove widths for standard grooves L1 and grooves withone Back-up Ring to L3.

Table XXV Determining the article number

Turcon VarisealR Standard With ExtendedH lTurcon Variseal

Types Rod/PistonHeel

Rod/Piston

Turcon VarisealR M2 RVA/PVA RVB/PVB

Turcon VarisealR M2S RVC/PVC RVD/PVD

Turcon VarisealR W RVW/PVW RVX/PVX

Turcon VarisealR H RVE/PVE RVF/PVF

Turcon VarisealR HF DVE/DVL DVF/DVN

When ordering the above seal types, use the first twoletters of the standard Article Number and replace thethird letter as shown in Table XXV.

Order number Example

RVB200350-T40S

Awide range of special and customized VarisealRdesignsare available. These may be slight modification tostandard designs or a completely new configuration, ifrequired.

Rod/Face Seal

Low pressure seal toovercome largeeccentricity

High Pressure System

Sealing system for extremehigh pressure

Double Acting Piston Seal

Hi-Clean version

Conical seal

TurconR VarisealR WithCorner Reinforcemet

VarisealR with high moduluscorner reinforcement for hightemperatures in combinationwith high pressure or largeextrusion gap

TurconR VarisealRWith Anti-Shrink Ring

The addition of a metalring prevents shrinkage ofthe seal in applicationswith a wide temperaturerange

Complete Piston Double Decker

Can be adopted to mostgroove dimensions

Figure 27 Customized designs

TurconR VarisealR

34


Storage InstructionsIf seals and bearings are stored, the following guidelinesshould be followed to optimize their storage life.- Do not store seals in a deformed condition- Store dry under normal atmospheric conditions (65%relative moisture ±10%)

- Ideal temperature for storage is between +5 °C and+25 °C (41 °F and 77 °F)

- Exposure to heat, moisture, light, oxygen, ozone andliquids can have a detrimental effect on performancecharacteristics of some materials

- Direct contact with heat sources should be avoided- Ensure seals cannot be physically damaged byanythingwithin the storage area

- Keep in the original sealed packaging

Conversion Tables

35


SI - Basic UnitsMeasures Units Symbol

Length Metre m

Mass Kilogram kg

Time Second s

Electric current Ampere A

Temperature Kelvin K

Luminous intensity Candela cd

Amount of substance Mol mol

Lengthinch foot yard mm metre

1 inch = 0.0833 0.0278 25.4 0.0254

1 foot = 12 0.333 304.8 0.3048

1 yard = 36 3 914.4 0.9144

1 mm = 0.03937 0.0033 0.00109 0.001

1 metre = 39.37 3.2808 1.0936 1,000

Torqueinch-ounce

inch-pound

foot-pound

kg-metre

Newton-metre

1 inch-ounce = 0.0625 0.0052 7.2 x 10-4 7.06 x 10-3

1 inch-pound = 16 0.0833 1.152 x 10-2 0.1130

1 foot-pound = 192 12 0.1383 1.356

1 kg-metre = 1,388.7 86.796 7.233 9.80665

1 Newton-metre = 141.6 8.850 0.7375 0.1020

Areainch2 foot2 yard2 mm2 m2

1 inch2 = 0.0069 0.00077 645.16 6.45 x 10-4

1 foot2 = 144 0.111 92,903 0.0929

1 yard2 = 1,296 9 836,100 0.8361

1 mm2 = 0.0016 1.0764 x 10-5 1.196 x 10-6 10-6

1 m2 = 1,550 10.764 1.196 106

Volumeinch3 US

quartimp.gallon

foot3 USgallon

liter

1 inch3 = 0.0173 0.0036 0.00058 0.0043 0.0164

1 US quart = 57.75 0.2082 0.0334 0.25 0.9464

1 imp. gallon = 277 4.8 0.1604 1.2 4.546

1 foot3 = 1,728 29.922 6.23 7.48 28.317

1 US gallon = 231 4 0.8327 0.1337 3.785

1 liter = 61.024 1.0567 0.220 0.0353 0.264

Temperature_K (Kelvin) _C _F

_K = _C + 273.15 (_F - 459.67) 5/9

_C = _K - 273.15 (_F - 32) 5/9

_F = _K 9/5 - 459.67 _C 9/5 + 32

Densityounce/inch3 pound/foot3 g/cm3

1 ounce/inch3 = 108 1.73

1 pound/foot3 = 0.0092 0.016

1 g/cm3 = 0.578 62.43

ForceNewton (N) kilopond (kp) pound force

1 Newton (N) = 0.10197 0.22481

1 kilopond (kp) = 9.80665 2.20463

1 pound force = 4.4482 0.45359

Velocity (Speed)foot/s foot/min mile/hour metre/s km/hour

1 foot/s = 60 0.6818 0.3048 1.097

1 foot/min = 0.017 0.0114 0.00508 0.01829

1 mile/hour = 1.4667 88 0.447 1.609

1 metre/s = 3.280 196.848 2.237 3.6

1 km/hour = 0.9113 54.68 0.6214 0.278

Massounce pound kg

1 ounce = 0.0625 0.0283

1 pound = 16 0.4536

1 kg = 35.274 2.2046

Pressureinch Hg psi atmosphere torr mm Hg bar MPa kg/cm2

1 inch Hg = 0.491 0.0334 25.4 25.4 0.0339 0.00339 0.0345

1 psi = 2.036 0.0680 51.715 51.715 0.0689 0.00689 0.0703

1 atmosphere = 29.921 14.696 760 760 1.0133 0.10133 1.0332

1 torr = 0.0394 0.0193 0.0013 1 0.0013 0.00013 0.00136

1 mm Hg = 0.0394 0.0193 0.0013 1 0.0013 0.00013 0.00136

1 bar = 29.53 14.504 0.987 749.87 749.87 0.1 1.020

1 MPa = 295.3 145.04 9.869 7498.7 7498.7 10 10.2

1 kg/cm2 = 28.950 14.22 0.968 735.35 735.35 0.980 0.098

36


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