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LtdKAZANLAK BULGARIA

Directional Control Valve PX-348 Technical parameters:

Ambient temperature -20C...+60C

Hydraulic liquid -mineral oil based/hydraulic oil

Viscosity 10 ...400 mm2/s

Fluid temperature -20C...+80C

Max operating pressure, P=250; T=50 bar A , B = 200 bar

Leakage 18cm3/min at 120bar

Nominal flow 30 l/min

Spool stroke +/- 7 mm

Actuating force < 200 N

Description

The directional control valve type PX-348 is designed to control the direction of the working liquid flow between the generators of pressurized flow (hydraulic pumps), consumers of such a flow (hydraulic cylinders, etc.) and the tank.

Construction

The directional control valve is a section type with manual operation.It provides parallel distribution of the working liquid and directs flow to the tank at non-actuated sections.It comprises a front cover with build-in adjustable or non-adjustable pressure relief valve, a combination of single-acting(valve or spool) and double acting(spool) three-position sections (maximum eight numbers) and end cover.

Mounting

The directional control valve is mounted by four bolts M8.To the pipelines of the hydraulic system by means of threaded outlets M18x1.5/3.8"/

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1. Техническа характеристика1.1 Номинален дебит - 60 dm

3/mm

1.2 Номинално налягане - 20МPa1.3 Обхват на регулиране от 7 до 20 MPa

2. Технически изисквания2.1 Опорните повърхнини на началния и крайния клапан след затягане на шпилките да лежат в една равнина.2.2 Отворите 8 на ушите да са съосни за поставяне на ос с диаметър 8

-0.09

2.3 Гайките да се затегнат с въртящ момент 24+3

Nm2.4 За тропическо изпълнение ТА, ТН, Т на дет. поз. 1 и 2 покритие elZn21chr съгласно БДС 9529-762.5 Пломбирането на разпределителя се извършва само по заявка на клиента2.6 Начин на заявка

ТипНачален капакСекцияКапак краен

2.7 В дадена комбинация могат да бъдат включени секции само с един вид управление последователно или паралелно2.8 Размерите, означени със звездичка - за справка /не се контролират/2.9 Номера на началния капак да се счита като номер на разпределителя2.10 За ТН, ТА и Т покритие боя черна алкидна ПФ17 по ОН 0281910-88. Допуска се цвят и по заявка на клиента2.11 Преди монтажа на секциите и капаците в разпределител същите да бъдат стриктно почистени от масло и други нечистотии външно.ЗАБЕЛЕЖКА: n-брой секции в разпределител-максимален брой 82.12 При специална заявка на разпределител с повече от 8 секции, същия да се изпълнява с шпилка М10 и отворите за шпилките в секциите и капаците да се разпробият 10,4Н13. Гайките М10 да се затегнат с Мвърт. 34

+3Nm

1:2

листsheet

изм.

мащабscale

описание на изменениетодата

наименованиеdescription

заповед №материалmaterial

фамилия

маса/weight kg

бр.

проверилразработил

№

PX 346 4БнСС3

11.475

1/

12972.00.00

2 Стоев

Тодоров

14.10.2008

Yes

Badestnost AD

стандарт

утвърдил

подп. проверил подпис

12972.00.00

подп.

подп.

2

3

4

5

1:2

листsheet

изм.

мащабscale

описание на изменениетодата

наименованиеdescription

заповед №материалmaterial

фамилия

маса/weight kg

бр.

проверилразработил

№

PX 346 4БнСС3

11.475

2/

12972.00.00

2 Стоев

Тодоров

14.10.2008

Yes

Badestnost AD

стандарт

утвърдил

подп. проверил подпис

12972.00.00

подп.

подп.

CONTENTS: Page -Technical data................................... -Dimensions RP80.............................. -Dimensions RP60.............................. -Lever mechanism.............................. -Spools/spool control......................... -Inlet cover/outlet cover...................... -Ordering code RP80......................... -Ordering code RP60......................... -Performance curve RP80.................. -Performance curve RP60.................. -Customized sectional control valves for different applications.................... -Monoblock directional control valve type MRP70......................................

1234566789

10,11,12&13

14&15

Spool positioner Check valve Spool

Lever

Auxiliary valves

1

Rated flow l/min (US GPM) 80 (21.1) 60 (15.8)

Rated pressure bar (PSI) 250 (3571) 320 (4570)

Max. back pressure bar (PSI) 18 (257) 30 (428)

3 3 Spool leakage at: p=100 bar.; cm /min (in /min) max 6 (0,36) o t=40 C and viscosity 36cSt min 2 (0,12)

Max. number of section 10

Working liquid - hydraulic oils withparameters:

2 -viscosity mm /sec (cSt) 15...300

2 -recommended viscosity mm /sec (cSt) 20...80

o o -temperature C ( F) -20...+80 (-4...+176)

-4 -degree of filtration mm (in) 0.025 (9.8 10 )

Directional control valves RP80 and RP60 are sectional type , with manual operation. They provide parallel ortandem distribution of the working liquid and its direct flow to the tank without activating the sections. They consistof inlet cover with integrated relief valve , a combination of sections (up to 10pcs) and outlet cover.

TECHNICAL DATA

PARAMETERS RP80UNITS

SECTIONAL CONTROL VALVES RP80 & RP60

STANDARD FEATURES:1.Adjustable main relief valve2.Internal load holding check valves integrated in each section3.Adjustable auxiliary valves are available4.Balanced interchangeable spool (provides minimum leakage , smooth operation)

RP60

CIRCUIT MODE

The open center passage is closed off when spool is fully shifted and hydraulic oil will flow directly to the power core passage , making oil available to all work ports. The hydraulic oil can be divided so that it will flow to two or more functions by metering the spools. The parallel circuit is the most commonly used circuit in mobile equipment , because thanks to metering , more than one function can be operated at the same time at random in the valve bank assembly.

STANDARD PARALLEL CIRCUIT

CODE P

TANDEM CIRCUIT

Hydraulic oil available to the work ports through the open center passage. When an upstream spool is fully shifted ,on oil is available to a downstream section in a tandem circuit. The upstream section has priority.

For realizing of combined acting first have to be arranged the section with parallel acting followed by those with tandem acting.

COMBINATIONS OF PARALLEL AND TANDEM CIRCUIT

CODE T CODE C

Standard available threads

* Number of sections


DIMENSIONS RP80

L - The size depends on the type of the hand lever mechanism 16+2Nm

(11.9 lbft)

If the lever move from 0 to 2 the flow circuit by port A

stro

ke

Inle

t co

ver

main relief valve first section

ou

tlet

co

ver

NOTE: All dimensions are shown in mm (in)

2

Four bolts M8 fix sectional valve assembly to the place of mounting.

Standard available port threadsP , T , A , B: G3/8 , G1/2

NOTE: All dimensions are shown in mm (in)

Dimension AN. of sections

1

2

3

4

5

6

7

8

9

10

Dimension B

If the lever moves from 0 to 2 the flow passes to port A

Inlet cover main relief valve

outlet cover

18+2Nm13.4 lbft

216(8.5)


DIMENSIONS RP60

3

CodeCode Code

EL with standard hand leverE without standard hand lever

Standard hand lever type HL01

Standard hand lever type HL01

lever mechanism styleCode EL (E)

lever mechanism styleCode ELO (EO)

DL with standard hand leverD without standard hand lever

DIMENSIONS

Joystick for dual axis control

with standard hand lever without standard hand lever

Lever mechanism styleCode SL(S)

Lever mechanism styleCode SLO(SO)

SL

Code

S

Standart hand lever type HL02

44 (1.7)

- with standard lever (200mm.)

- with standard lever (350mm.) RK

JK10

CodeCode

NOTE: Other options are available on request


RP80 LEVER MECHANISM

4

RP80&RP60

RP60

DESCRIPTION

Spring return to position O

Detent in position 1 or 2. Spring return to neutral

Detent in position 3

Detent in three positions. Spring return to neutral.

On/Off electropneumatic controlspring centering.

SCHEME CODE

DIMENSIONSSPOOL CONTROL

DESCRIPTION SCHEME CODE

Double acting , 3 position , 4 way A and B to tank in

Double acting , 3 position , 4 way A and B to tank in neutral

Double acting , 3 position , 4 wayA and B blocked in neutral

Single acting on A , 3 position , 3 way , A blockedin neutral

Single acting on B , 3 position , 3 way , B blockedin neutral

Double acting , 4 position , 4 wayA and B to tank in (Float plunger)


RP80&RP60 SPOOLS

5

RP80&RP60

9

DIMENSIONS


ORDERING CODE

Shut-off plug installed

Top outlet to tank

Top inletPilot operated relief valve for RP80Directly operated relief valve for RP60

OUTLET COVER

First section

Number of operatingsections 1...10

Inlet cover

Mechanically operated spool M

Spool type

Lever mechanism

Spool control type Outlet cover

Standard port threads:G - BSP (ISO 228)M - METRIC (ISO6149)Special threads on request

Application:N - normalT - tropic

Main relief valve setting-bar/psi

Code 1 30...320 (400...4570) 2 15...200 (210...2850)

CodeLever position: A-port side A B-port side B

Circuit -parallel -tandem -combinations P+T

RP 80 /3/ Q / M P 3 EL 1 B RVACB / W / 2 / G N

Code P T C

Auxiliary valves: Code relief valve -port A RVA -port B RVB -port A & B RVABcombining port relief and anticavitation valve-port A CA -port B CB -port A &B CAB

* Repeat for each section In case of identical section exampleordering code is:RP80 / 5 / Q / 2x / ...... / 3x / ...... / W / 2 / G

NOTE: Auxiliary valves are build into additionalvalve block mounted on the top of the section.The valves pressure setting specify in order.



RP80&RP60 INLET COVER

6

RP80&RP60

RP80

HYDRAULIC CIRCUIT APPLICATIONS

WITH PORT RELIEF VALVE

WITH ELECTRO-PNEUMATIC CONTROL

Number of operatingsections 1...10

Inlet cover

Mechanical operated spool M

Spool type

Lever mechanism

Spool control type

Outlet cover

Standard port threads: P,T,A,B -1/2”or3/8”

Special threads on request

Main relief valve setting -bar/psi Code Omit - Standard setting: 96...210(1370...3000) 1 211...320(3000...4570) 2 30...100(400...1400) Code

Lever position: A-port side A B-port side B

Circuit -parallel as standard For tandem and combination P+Tcircuit consult factory before order

Code P

* Repeat for each section In case of identical section example ordering code is:

RP60 / 4 / Q / 2x / MP3SL1BRVA / 2x / MP3SL9B / R / 2 / G1/2

NOTE: Auxiliary valves build into sectional body.The valve pressure setting specify in order.

WITH COMBINED PORT RELIEF AND ANTICAVITATION VALVES


RP60 ORDERING CODE

NOTE: Different applications of RP80 and RP60 are available on request. Consult factory for more technical data and performance curves

Auxiliary valves: Code relief valve -port A RVA -port B RVB -port A & B RVABcombining port relief and anticavitation valve-port A CA -port B CB -port A &B CAB

RP 60 /3/ Q / M P 3 SL 1 B RVACA / R / 2 / ½ N

7

Application:N - normalT - tropic


RP80 PERFORMANCE CURVE

8

CONDITIONS:DP=f(Q)

36 cSt oil viscosityT=40 C(104 F)

Pressure drop

Flow

Flow Leakage

Flow

Pressure drop Spool leakage

Pressure

Pressure

Pressure drop

Pressure

Pressure


RP60 PERFORMANCE CURVE

9

CONDITIONS:DP=f(Q)


28.6 2

57.1 4

85.7 6

114.3 8

142.9 10

171.4 12

200 14

228.6 16

257.1 18

285.7 20

314.3 22

342.9 24

5.28

28.6 2

57.1 4

85.7 6

114.3 8

142.9 10

171.4 12

200 14

228.6 16

257.1 18

285.7 20

314.3 22

342.9 24

20 6040 10080

15.8510.55 26.3921.1

28.6 2

57.1 4

85.7 6

114.3 8

142.9 10

171.4 12

200 14

228.6 16

257.1 18

285.7 20

20 6040 10080

5.28 15.8510.55 26.3921.1

28.6 2

57.1 4

85.7 6

114.3 8

142.9 10

171.4 12

200 14

228.6 16

257.1 18

285.7 20

314.3 22

342.9 24

20 6040 10080

5.28 15.8510.55 26.3921.1

l/min

l/min

US GPM

PSI bar

28.6 2

57.1 4

85.7 6

114.3 8

142.9 10

171.4 12

200 14

228.6 16

257.1 18

285.7 20

314.3 22

342.9 24

20 6040 10080

5.28 15.8510.55 26.3921.1

l/min

l/min

US GPM

PSI bar

PSI bar

PSI bar

US GPM

A T

Flow Flow

Pressure drop Pressure drop

B T

Flow Flow

Pressure

Pressure

Pre

ssu

re

Pre

ssu

re

Pressure drop

Pressure drop

P A , B

P T

US GPM


RP80

10

CUSTOMIZED SECTIONAL CONTROL VALVES FOR DIFFERENT APPLICATIONS


RP80

11



RP60

12


365

~


RP60 CUSTOMIZED SECTIONAL CONTROL VALVES FOR DIFFERENT APPLICATIONS

13

~

MONOBLOCK DIRECTIONAL CONTROL VALVE TYPE MRP70

TECHNICAL DATA

14

FEATURES:1. The valve type MRP 70 incorporates the features of a 4-way directional control valve , an adjustable full range pressure compensated by-pass type flow control valve and a pilot operated pressure relief valve all in one compact package.2. Less fittings and plumbing , eliminates leakage points.3. Fine positive metering is possible in either direction with one manually adjustable , infinitely variable lever controlling both direction and amount of flow. Amount of flow is proportional to movement of the lever.4. Flow is constant regardless of pressure variations , thus flow out the work port remains smooth and constant regardless of changes in load conditions.5. An externally adjustable pilot relief is standard.

Hydraulic scheme:

Rated flow l/min (US GPM) 70 (18)

Rated pressure bar (PSI) 210 (3000)

Standard port size:Inlet & outlet

work ports A & BBSPBSP

3/4”

Working liquid- hydraulic oilswith parameters:

2-viscosity mm /sec (cSt) 15...300

2-recommended viscosity mm /sec (cSt) 20...80

o o-temperature C ( F) -20...+80 (-4...+176)-4-degree of filtration mm (in) 0.025 (9.8 10 )

VALUE/RANGEDATA UNIT

1/2”

MONOBLOCK DIRECTIONAL CONTROL VALVE TYPE MRP70

PERFORMANCE CURVE

15

Dimensions: All dimensions are in mm (in).

DIMENSIONS

CONDITIONS:DP=f(Q)


81

(3.1

5”)

85

(3.3

1)

54

(2.1

)

100(3.9)

185(7.21)

In this curve between the inlet and outlet is shown.

the pressure difference

Neutral Flow Pressure Drop

0

10

20

30

40

50

60

70

80

90

100

0 5 10 15 20

Flow[GPM]

Pre

ssu

re[P

SI]

Documents

KAZANLAK · PDF file · 2011-08-03xBaroM perynilpoBaHne AaBneHne or 7 Ao 18 MPa (c o6osnavexueu 2) t4 rpex CeKql4i: nepBaf, - KnanaHHag, OAHocrOpeHHerO AefCTBl4F C 0603HaqeHneu