PN554110501 MO rev F - Eatonpub/@eaton/@aero/...For those locations that suffer from heavy external contamination, which can result in jamming the “U” pilot lanyard mechanism,

Product News #PN554110501 September 9, 2011 Applicable To All Carter Brand Model 60554 and 61654 Hydrant Valves

PRODUCT IMPROVEMENT

The Model 60554 and Model 61654 Hydrant Valve pilot valve options have grown over the years since the inception of the dual pilots. The original dual pilot (option “F”) was designed to be a pneumatically operated pilot with a manual lanyard override that would fit into a 12 inch diameter pit box. We also designed a more rugged version (option “U”) for pit boxes 18 inches in diameter and larger. In order to resolve some seal wear issues, we have made additional design changes to the “U” pilots. After extensive field trials, we are now releasing these changes for production. If you operate Eaton Carter® brand 60554 or 61654 Hydrant Valves with Dual “U” pilots, serial number below

21450 and 1359 respectively regardless of age, a “free of charge” upgrade kit (KD60554-13) is available from your local Eaton Carter® brand Distributor. The kit includes a new cage, connector assembly, springs and several new seals and only takes a few minutes to install. These kits will remain free of charge for 12 months from the date of the release of this “Product News” bulletin and will be available to purchase after that date until the end of 2021. For those locations that suffer from heavy external contamination, which can result in jamming the “U” pilot lanyard mechanism, Eaton has also developed a ruggedized contamina-tion resistant version of the lanyard mechanism (part number 47808) that

is available to purchase from your Eaton Carter® brand Distributor. As of the March 31, 2012 the current “F” and “U” option pilots will become obsolete and will no longer be available as an option on newly purchased hydrant valves. Spare parts, overhaul, and upgrade kits for the “U” pilots will remain available for 10 years, until the end or 2021. We are offering three replacement options for the “F” and “U” “dual pilot” and they are outlined below. Please feel free to contact your local Eaton Carter® brand Distributor for further assistance to ensure that you are ordering the correct part number.

NEW PILOT OPTION NOW AVAILABLE In addition to the long established existing hydrant valve pilots: Option “D” – Lanyard only Option “E” – Pneumatic only Option “J” – Pneumatic operated with bi-directional flow capability Eaton’s Carter® brand hydrant valves (Models 60554 & 61654) are now also available with a new line of

“remote” pilot options. These patented designs take the concept one step further by removing the pilots from the Hydrant Valve and replacing it with a sealed male disconnect fitting. As a result you only need to have one pilot for each hydrant servicer rather than one for each hydrant valve, reducing cost. The remote pilot is also sealed and thereby eliminates issues related to

the inward breathing pistons in the conventional pilots which can inhale contaminates resulting in internal corrosion and increased maintenance. Fuel leakage into the hydrant servicer’s pneumatic system is also not possible with this design. The remote pilots are compatible with air or fuel command systems.

Carter® Brand

New Remote Pilot Disconnects: Option “X” – Pneumatic only (part number 47576)

– and – Option “Y” – Pneumatic operated with “fork” mechanism to eject the remote pilot, effectively making it a dual pilot (part number 47834)

New Remote Pilots: These remote pilots stay attached to the hydrant servicer via the command hose and they can be energized with either air or fuel: Part number 64230 Simple Disconnect (requires manual lifting of the collar to engage and to disengage) – or – Part number 64280 Push-On Disconnect can be pushed on, but collar must be raised to disengage, or will disengage automatically when pulling the lanyard on the Option “Y”, noted above. Optional extension handle available on both remote pilots.

New Dual Pilot (for Pit Boxes 18” in diameter and larger): Additionally, for those users who require the dual pilot to be permanently attached to the hydrant valve, Eaton now offers a new Option “Z” pilot. This pilot adopts the sealed piston technology from our remote pilots into a compact lanyard mechanism that eliminates issues related to the inward breathing pistons in the conventional pilots. Fuel leakage into the hydrant servicer’s pneumatic system is also not possible with this design.

Existing pilot valves can easily be converted to any of the remote pilot options or new permanent pilot. They eliminate all of the common maintenance issues related to contaminated

fluids entering the pilot piston area of existing “E”, “F”, or "U" pilots and also eliminate the possibility of fuel entering the pneumatic systems on the hydrant servicer.

Attached are copies of the new literature for Model 60554 and Model 61654 Hydrant Valves with all pilot options shown. Please update your existing Eaton Carter® brand Product Catalog.

Carter® BrandHydrant Pit Valve Model 60554

2 EATON Aerospace Group TF100-80C September 2011

Eaton’s Carter brand Model 60554 hydrant pit valve is a family of valves that includes lanyard, air or dual air/lanyard operated pilot valves, with the latter available with a defueling option.

The latest Model 60554 hydrant pit valves meet all the requirements of the 3rd edition of API/IP bulletin 1584, including the new breakaway and strength requirements.

The basic hydrant pit valve consists of three basic parts, lower valve assembly, upper valve assembly (or API outlet adapter) and either the standard pilot valve or one of three patented pilot valve actuators (Model 64230, Model 64231 and Model 64280), available as option X. The lower valve assembly contains an isolation valve which will allow the removal and servicing of the upper valve assembly and the pilot valve assembly while the pit valve is still installed. (See service manual SM60554 for proper instructions). The upper portion of all versions of Model 60554 are now furnished with a replaceable part that contains the interface with the hydrant coupler. This minimizes replacement parts expense and allows for easy replacement of the outlet wearing surfaces.

An option is also available to bring the valve into compliance with IP standards by adding the appropriate 6 inch inlet flange adapter. The outlet conforms to the API bulletin 1584 standard.

Model 60554 hydrant pit valve is designed to minimize the propagation of surge pressure shocks into the upstream piping system during closure of the valve.

Features

• Standard aluminum two-piece upper half standard, replaceable API outlet adapter of stainless steel per API bulletin 1584. Ductile iron and stainless uppers with replaceable outlet optional.

• Standard inlet flange mates with 4 inch 150 lb. ANSI flange

• Optional inlet flange mates with 6 inch 300 lb. ANSI flange, making valve conform to the IP standard

• Closing time is 2-5 seconds• New pilotless valve (option

X) reduces maintenance costs, lanyard, air or dual air/lanyard operated pilot valve available (for small or large pit applications)

• Servicing valve, standard, provides means to remove the upper valve assembly and pilot valve assembly with the unit still installed

• Dual pilot adds true deadman backup to coupler, same as air operated pilot. Hydrant valve is automatically closed at the end of the refueling operation. Lanyard operation can also be used with option X valves.

• All seals are field replaceable

• Large pressure equalizing valve in the outlet is standard

• Defueling capability optional with any air or dual air/lanyard operated pilot

• Stone guard optional with 6 inch inlet flange option

• Ductile iron epoxy coated for corrosion protection

• Main piston well guided to minimize piston seal wear

• 10 or 20-mesh screen options available

Model Descriptions

There are seven basic valves to which various modifications may be added by option letters as shown below. The six basic model numbers are as follows:• Model 60554D — Lanyard

operated pilot valve for manual on/off control. Valve allows flow in the fueling direction only.

• Model 60554E — Air operated pilot valve for deadman control. Valve allows flow in the fueling direction only.

• Model 60554F — Dual air and lanyard operated pilot valve for deadman control and manual on/off control for use in small pits only (12 or 13 inch dia.). Uni-directional only, unless combined with option J.

• Model 60554J — Air operated pilot valve for deadman control with defuel control to allow flow of fuel in either fueling or defueling direction

• Model 60554U – Dual air and lanyard operated pilot valve for deadman control and manual on/off control for use in standard pits (18 inch or larger). Uni-directional only, unless combined with option J.

• Model 60554-3D — Same as Model 60554D except material of outer housing is ductile iron per ASTM A395 (special order only). The upper and lower valve assemblies are fastened together with 15 metric

threaded screws instead of the normal 8-UNF threaded screws (replaced Model 60554-2D). Two piece upper half not available on this unit.

• Model 60554X — Valve with the major operating part of the pilot valve contained on a quick disconnect actuator assembly located on the hydrant servicer hose. Can be used as air/fuel pressure operation (with Model 64230 actuator assembly) or with lanyard backup (with Model 64231 actuator assembly). Actuator assemblies ordered separately. Includes ductile iron inlet housing, two-piece aluminum upper housing with replaceable stainless steel outlet, dust cap & high capacity pressure equalizing valve.

Design Concepts

U.S. Pat. No. 7,762,274

Model 64231 Pilot Valve Actuator with lanyard override

Model 64230 Pilot Valve Actuator


EATON Aerospace Group TF100-80C September 2011 3

Installation Information

It is critical that the mating coupler (shown at right) be connected correctly and the pit lid be able to close completely. The hydrant valve’s installation depth depends upon the brand of pit used. The thickness of the pit lid should be checked to be sure that it will clear the hydrant valve before setting the pit. The dimensions noted herein were correct for pits made in the United States at the time of printing. Eaton can not be responsible for changes in the pits. The dimensions, shown are for reference only.

Technical Information

• Working Pressure — 300 psi (20.7 bar)

• Closing Time — 2 to 5 seconds

• Overshoot — 60.0 gals (225 liters) maximum at 1200 US gpm (4500 l/min.)

• Pilot valve air pressure required for options E, F, J, U or X — 60 psi min. (4.2 bar)

• Mates Eaton’s Carter brand coupler Models 60600, 60600-1, 60700-1, 64702, 64800, 64801, 64802, 64804, 64900, 64901, 64902, 61525 and all other API style couplers

Dimensional Specifications

The drawing (right) provides envelope dimensions for installation purposes only. They are not intended for inspection purposes.

Technical Data

Dimensions are shown in inches (millimeters)


Flow Characteristics

The graphs on this page depict typical pressure drop versus flow characteristics of the 60554 series hydrant pit valves. (Option X does not alter the pressure drop characteristics of the 60554).

Curve 1 Model 60554BDGH (IP hydrant) or 60554BFGH, 20-mesh screen & 61525 coupler

Curve 2 Model 60554BD, (BE), (BU), 20-mesh screen & 61525

Curve 3 Model 60554BJ, 20-mesh screen & 61525, fueling direction

Curve 4 Model 60554BJ, 20-mesh screen & 61525, defueling direction

Curve 5 Model 60554D, (E), (U), no screen & 61525

Curve 6 Model 60554E (D), (U), no screen & 60600H

Curve 7 Model 60554E (D), (F), no screen & 60700K

Curve 8 Model 60554E (D), (U), no screen & 60600K

Technical Data


Figure A

Valve Open

Figure B

Valve Closed

Valve Operation

Figure A reflects a lanyard operated pilot valve shown in the open position. Figure B reflects an air operated pilot in a closed position. The operation of the hydrant valve, whether the pilot is lanyard or air operated, is identical. The only differences are in the operating mechanism that supplies the power to open and close the pilot valve. In the air operated pilot, the closing lanyard and opening latching mechanisms are replaced with an air operated piston as can be seen in the cutaway on the previous page. The dual air/lanyard operated pilot valve has the same normal air operated pilot valve function with a manual (lanyard) over-ride of the air supply. (Option X works the same as that shown in figure B with the air/fuel operated piston being placed on the hose from the servicer.)

Servicing Valve Closed/ Pilot Valve Open or ClosedThe closing of the servicing valve has the same affect as closing the pilot valve. That is, the flow passage from the piston chamber to the downstream side of the piston is blocked. The piston chamber pressure begins to equalize to the inlet pressure (P1) through the check valve.

The piston area is greater than the effective seal area, hence the unbalance of forces caused by the equal pressure, plus the spring, will cause the valve to stay closed.

Pilot Valve Open/ Servicing Valve Open

The open pilot valve allows the continuous passageway from the main piston chamber and from the closing control orifice. The piston chamber is vented through an opening control orifice and the open servicing valve to a point in the lower valve half. The pressure (P2) at this point is less than the inlet pressure (P1). The piston chamber pressure is also maintained at P2 causing an unbalance of forces on the piston. The inlet pressure force is greater than the combined piston pressure force plus the spring force hence the valve will open to allow flow. This is assuming that the outlet adapter poppet in the upper valve half has been opened by a coupler.

The pilot poppet is maintained in the open position by one of two methods:

• Lanyard operated pilot — The pilot is opened by the pull of the “T” handle located on the top of the

pilot valve. When it is pulled upward, the spring loaded latch attached to the lanyard pivots to lock the pilot into the open position.

• Air operated pilot/dual air-lanyard pilot — air pressure applied to the pilot piston will maintain the pilot in the open position until the pressure has been depleted (by release of deadman).

Pilot Valve Closed/ Servicing Valve Open

Pulling the lanyard, or depleting the air supplied to their respective pilots, will allow the spring loaded pilot poppet to close. This action blocks off the venting of the piston chamber to the lower pressure area downstream. The piston chamber begins to equalize to the inlet pressure (P1) through the check valve.

The piston area is greater than the effective seal area, hence the unbalance of forces caused by the equal pressure plus the spring will cause the piston to begin to close. As the piston moves toward the closed position, the piston chamber volume increases and must be filled through the two in series orifices. The primary orifice is

considerably larger than the secondary (slot). During the initial and majority of the travel of the piston, the primary orifice is fully exposed to the inlet pressure, hence the rate of closure is controlled by this orifice.

When the piston moves far enough closed to cover the primary orifice, the secondary (smaller) orifice begins to control the closure rate. Hence the valve begins to close relatively rapidly and then slows down as it nears its closed position. The relative size and locations of these two orifices allows the valve to close to provide a minimum of overshoot and yet limit the surge pressure shock, on closing, and still maintain a closure rate in accordance with applicable international specifications.

On Model 60554J with defueling option, the pilot valve is manually held closed by the thumb screw to allow defueling flow.

The dual pilot valve options F or U perform under normal situations the same as option E. The lanyard operation is only for emergency situations where the air supply is not released by the deadman valve.


Illustrated Options


Option letters may be combined with the basic units, except as noted, to customize the valve to fit specific installation requirements. Note basic models referenced on page 2, “Model Descriptions” section.

Option Description Option Description

A Adds 10-mesh screen between upper and lower halves of the unit (81557-10)

M Adds dry break (with bleed) to option E, F, J or U air connection (not available on option X)

B Adds 20-mesh screen between upper and lower halves of the unit (81557-20)

N Adds adapter kit for installing unit into 12 or 13 inch Avery Hardoll pits with 3 inch ANSI mounting flanges. Can not be used with options G, H, K or L.

C Adds six-position product selection (44290) P Adds 4 inch spool piece to convert inlet flange to mate with 6 inch 300-lb ASA raised face flange (47199). Resultant valve height is 16 inches (special order on 60554-2D & 3D).

G Adds spool piece to convert inlet flange to mate with 6 inch 300-lb. ANSI flange to meet IP standard (44364) (special order on 60554-2D & 3D)

Q Changes upper half housing (adapter) to one piece ductile iron (special order - not available on Model 60554-3D)

H Adds 4-mesh stone guard to inlet. Available only with option G above (43578).

R Changes upper half housing (adapter) to two-piece ductile iron/stainless steel (not available on Model 60554-3D — special order)

K Adds adapter kit to D, E or F options only, to mate Avery Hardoll 12 inch pits. Can not be used with option U.

S Changes upper half housing (adapter) to 316 stainless steel (43214-4) (special order)

L Adds adapter kit to D, E or F options only, to mate Avery Hardoll 13 inch pits. Can not be used with option U.

T Adds fusible plug to air port to either E, F, J or U options only (not available on option X)

Example: 60554BDGH — IP standard unit with 6 inch inlet, manually operated pilot valve, stone guard and 20-mesh screen

Ordering Data

Superseding Data

Since the late 1960’s, Eaton’s Carter brand has designed and manufactured a series of hydrant valves. Several of these valves are no longer manufactured and spare part support has been discontinued. The list of hydrant valve part numbers (right) provides the superseding data to allow one to specify and procure the latest units of the series. Use this list to obtain the appropriate current model number (60554 or 61654) and then refer to the appropriate table of options for either Model 60554 or 61654 hydrant valves to complete the part number. (For Model 61654 options, see catalog sheet TF100-86A).

Model Description Superseded by - Comments

60550 4x4 inch API adapter with manual butterfly isolation valve at inlet

No longer supported with spare parts. Replace with appropriate Model 60554 hydrant valve.

60551 4x4 inch API outlet adapter with dual flapper, lanyard operated inlet valve


60552 Same as Model 60551 except added interlock to close hydrant should coupler be inadvertently removed


60553 4x4 inch API outlet adapter with air operated inlet valve utilizing dual externally mounted cylinders


60554-1 Air operated Model 60554 type hydrant valve except 6x4 inch with outer housings and poppet material per ASTM A536-72, grade 80-55-06

Spare parts common to standard Model 60554. For new orders use Model 61654EK (part number change only).

60554 SPECIAL/ 60554-2D

Same as Model 60554 series except material for outer housings per ASTM A395

60555 Aluminum inlet to mate 6 inch 300 lb. flange x 4 inch API outlet, in accordance with IP standard

Spare parts support continues for all parts except inlet housing. Inlet housing can be replaced with a kit of current ductile iron parts.

61153 6x4 inch inlet mates 150 lb. flange with API outlet adapter. Air operated pilot with defueling capability and 10-mesh screen.

Spare parts support continues. For new orders use Model 61654AJ (part number change only).

©2011 EatonAll Rights ReservedPrinted In USAForm No. TF100-80CSeptember 2011

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Carter® BrandHydrant Pit Valve - API 1584 Model 61654

2 EATON Aerospace Group TF100-86D September 2011

Eaton’s Carter brand Model 61654 hydrant pit valve is a family of valves that includes lanyard, air or dual air/lanyard operated pilot valves, with the latter available with a defueling option.

The latest Model 61654 hydrant pit valves meet all the requirements of the 3rd edition of API/IP bulletin 1584, including the new breakaway and strength requirements.

The basic hydrant pit valve consists of three basic parts, lower valve assembly, upper valve assembly (or API outlet adapter) and either the standard pilot valve or one of three patented pilot valve actuators (Model 64230, Model 64231 and Model 64280), available as option X. The lower valve assembly contains an isolation valve which will allow the removal and servicing of the upper valve assembly and the pilot valve assembly while the pit valve is still installed. (See manual SM61654 for proper instructions). The upper portion of all versions of Model 61654 are now furnished with a replaceable part that contains the interface with the hydrant coupler. This minimizes replacement parts expense and allows easy replacement of the outlet wearing surfaces.

Model 61654 hydrant pit valves are essentially identical to Model 60554 valves except for the inlet flange, which is designed to mate with a 6 inch ANSI 150 lb. flange rather than a 4 inch flange.

Model 61654 hydrant pit valve is designed to minimize the propagation of surge pressure shocks into the upstream piping system during closure of the valve.

Features

• Standard inlet flange mates with 4 inch 150 lb. ANSI flange and outlet adapter in per API bulletin 1584

• Two-piece upper half standard, replaceable API connection of stainless steel

• Closing time is 2-5 seconds• New pilotless valve reduces

maintenance costs, lanyard, air or dual air/lanyard operated pilot valve available (for small or large pit applications)

• Servicing valve is standard to provide means to remove the upper valve assembly and pilot valve assembly with the unit still installed

• Six position product selection optional

• 10 or 20-mesh screen options available

• All seals are field replaceable

• Large pressure equalizing valve in the outlet is standard

• Defueling capability optional with any air or dual air/lanyard operated pilot

• Ductile iron epoxy coated for corrosion protection

• Main piston well guided to minimize piston seal wear

• Dual pilot adds true deadman backup to coupler, same as air operated pilot. Hydrant valve is automatically closed at the end of the refueling operation. Lanyard operation can also be used with option X valves (patent pending).

Model Descriptions

There are five basic valves to which various modifications may be added by option letters as shown in the table below. The three basic units are as follows:• Model 61654D — Two-

piece aluminum/stainless steel API adapter, lanyard operated pilot valve for manual on/off control. Valve allows flow in the fueling direction only. (Defueling possible if outlet pressure does not exceed 21 psig [1.448 bar])

• Model 61654E — Two-piece aluminum/stainless steel API adapter, air operated pilot valve for deadman control. Valve allows flow in the fueling direction only. (Defueling possible if outlet pressure does not exceed 21 psig [1.448 bar])

• Model 61654J — Two-piece aluminum/stainless steel API adapter air operated pilot valve for deadman control with defuel control to allow flow of fuel in either fueling or defueling direction

• Model 61654U — Two-piece aluminum/stainless steel API adapter, dual

Design Concepts

lanyard/air operated pilot valve. Valve allows flow in the fueling direction only. (Defueling possible if outlet pressure does not exceed 21 psig [1.448 bar] or can be combined with option J for full flow defuel).

• Model 61654X — Valve with the major operating part of the pilot valve contained on a quick disconnect actuator assembly located on the hydrant servicer hose. Can be used as air/fuel pressure operation (with Model 64230 actuator assembly), with lanyard backup (with Model 64231 actuator assembly) or as a push-to-connect operation (with Model 64280). Actuator assemblies ordered separately.

U.S. Pat. No. 7,762,274

Model 64231 Pilot Valve Actuator with lanyard override



EATON Aerospace Group TF100-86D September 2011 3

Curve 1 61654BD (BE or BU), 20-mesh screen & 61525 coupler, fueling direction

Curve 2 61654BJ, 20-mesh screen & 61525, defueling direction

Curve 3 61654BJ, 20-mesh screen & 61525, fueling direction

Curve 4 61654AD (AE or AU), 10-mesh screen & 61525, fueling direction

The chart, right, depicts typical pressure drop versus flow characteristics of Model 61654 hydrant pit valves. (Option X does not alter the pressure drop characteristics of the 61654).

Flow Characteristics

Model 60554ST1 Hydrant Outlet Wear Gauge

This gauge is now available to check for wear on the interface of Carter brand hydrant valves made in accordance with API bulletin1584 3rd edition. Refer to the appropriate service manual for instructions.

CURVE 2


Table of Options

Various option letters may be com-bined with the basic model number to customize the valve to fit specific installation requirements

Option Letter Description

A Adds 10-mesh screen between upper and lower halves of the unit

B Adds 20-mesh screen between upper and lower halves of the unit

C Adds six-position product selection

K Material (outer housing and poppet) - A536, grade 80-55-06 ductile iron (or equal), inlet flange has raised face (special order only) — Port of New York & New Jersey requirements

M Adds dry break (with bleed) to option E, F or J air connection (44731 option M, B2K16-VB(S)DWC option MT)

Q Changes upper half housing (adapter) to one piece ductile iron (special order)

R Changes upper half housing (adapter) to two-piece ductile iron/stainless steel (special order)

S Changes upper half housing (adapter) to one piece 316 stainless steel (special order)

T Adds fusible plug to air port to either E, F or J options only

Example: 61654BD — Standard unit with 6 inch inlet, two-piece aluminum/stainless steel upper housing, manually operated pilot valve, stone guard and 20-mesh screen

Ordering Data

Model Description Superseded by - Comments

60550 4x4 inch API adapter with manual butterfly isolation valve at inlet


60551 4x4 inch API outlet adapter with dual flapper, lanyard operated inlet valve


60552 Same as Model 60551 except added interlock to close hydrant should coupler be inadvertently removed


60553 4x4 inch API outlet adapter with air operated inlet valve utilizing dual externally mounted cylinders


60554-1 Air operated Model 60554 type hydrant valve except 6x4 inch with outer housings and poppet material per ASTM A536-72, grade 80-55-06

Spare parts common to standard Model 60554. For new orders use Model 61654EK (part number change only).

60554 SPECIAL/ 60554-2D

Same as Model 60554 series except material for outer housings per ASTM A395

60555 Aluminum inlet to mate 6 inch 300 lb. flange x 4 inch API outlet, in accordance with IP standard

Spare parts support continues for all parts except inlet housing. Inlet housing can be replaced with a kit of current ductile iron parts.

61153 6x4 inch inlet mates 150 lb. flange with API outlet adapter. Air operated pilot with defueling capability and 10-mesh screen.

Spare parts support continues. For new orders use Model 61654AJ (part number change only).

Coupler Model Description

61525 4 inch API coupler with 90° elbow and various inlet thread options

60700-1 4 inch API coupler with direct operated pressure and deadman control located in a 90° elbow and various inlet thread options

60600/60600-1 4 inch API coupler with pilot operated pressure and deadman control located in a 90° elbow and various inlet thread options. (Model 60600-1 has excess flow control)

64702 Similar to Model 60700-1. For use with digital pressure control system only

64800/64802/ 64804 4 inch API coupler with direct operated pressure and deadman control located in a new smaller 90° elbow with 2-½ & 3 inch inlet thread options. Model 64802 coupler is used with Eaton’s Carter brand digital pressure control system. Model 64804 has excess flow control

64900/64902 4 inch API coupler superseding Model 60700-1. Model 64902 is used with the digital system

Mating Parts

All Carter brand hydrant valves with outlets in accordance with API bulletin 1584 will operate with couplers noted in the table at right and with other manufacturers’ couplers designed to comply with API bulletin 1584. Refer to catalog sheets for individual models for detail information.

Superseding Data

Eaton’s Carter brand has designed and manufactured a series of API style hydrant valves for over forty years. Several of the older models are no longer in production and spare part support has been discontinued. When replacing older equipment, refer to the table (right) to select a current model (Model 60554 or Model 61654) with desired features appropriate to the application. (For Model 60554 option details, see catalog sheet TF100-80A).


Technical Information

• Working pressure — 300 psi (20.7 bar)

• Closing time — 2 to 5 seconds

• Opening time — 5 to 10 seconds (from zero to 1070 USgpm [4050 l/min])

• Overshoot — 60.0 gals maximum at 1200 USgpm (4542 l/min)

• Pilot valve air pressure required for options E, J or X — 60 psi min (4.2 bars)

• Mates Carter brand coupler Models 60600, 60600-1, 60700-1, 64702, 64800, 64801, 64802, 64804, 64900, 64901, 64902, 61525 and all other API style couplers

• Standard materials:

Outer housings — A536, grade 60-40-18 ductile iron, high strength aluminum allow, stainless steel

Trim — stainless steel and aluminum alloy

• Weight — 70 lb (31.751 kg)

Installation Information

Illustrated Options

It is critical that the mating coupler (shown at right) be connected correctly and the pit lid be able to close completely. The hydrant valve’s installation depth depends upon the brand of pit used. The thickness of the pit lid should be checked to be sure that it will clear the hydrant valve before setting the pit. The dimensions noted herein were correct for pits made in the United States at the time of printing. Eaton can not be responsible for changes in the pits. The dimensions shown are for reference only.

Dimensions shown in inches (millimeters)


Figure AValve Open

Figure BValve Closed

Valve Operation

Figure A reflects a lanyard operated pilot valve shown in the open position. Figure B reflects an air operated pilot in a closed position. The operation of the hydrant valve, whether the pilot is lanyard or air operated, is identical. The only differences are in the operating mechanism that supplies the power to open and close the pilot valve. In the air operated pilot, the closing lanyard and opening latching mechanisms are replaced with an air operated piston as can be seen in the cutaway on the previous page. The dual air/lanyard operated pilot valve has the same normal air operated pilot valve function with a manual (lanyard) over-ride of the air supply. (Option X works the same as that shown in figure B with the air/fuel operated piston being placed on the hose from the servicer.)

Servicing Valve Closed/ Pilot Valve Open or Closed

The closing of the servicing valve has the same affect as closing the pilot valve. That is, the flow passage from the piston chamber to the downstream side of the piston is blocked. The piston chamber pressure begins to equalize to the inlet pressure (P1) through

the check valve. The piston area is greater than the effective seal area, hence the unbalance of forces caused by the equal pressure, plus the spring, will cause the valve to stay closed.

Pilot Valve Open/ Servicing Valve Open

The open pilot valve allows the continuous passageway from the main piston chamber and from the closing control orifice. The piston chamber is vented through an opening control orifice and the open servicing valve to a point in the lower valve half. The pressure (P2) at this point is less than the inlet pressure (P1). The piston chamber pressure is also maintained at P2 causing an unbalance of forces on the piston. The inlet pressure force is greater than the combined piston pressure force plus the spring force hence the valve will open to allow flow. This is assuming that the outlet adapter poppet in the upper valve half has been opened by a coupler.

The pilot poppet is maintained in the open position by one of two methods:

� Lanyard operated pilot — The pilot is opened by the pull of the “T” handle

located on the top of the pilot valve. When it is pulled upward, the spring loaded latch attached to the lanyard pivots to lock the pilot into the open position.

� Air operated pilot/dual air-lanyard pilot — air pressure applied to the pilot piston will maintain the pilot in the open position until the pressure has been depleted (by release of deadman).

Pilot Valve Closed/ Servicing Valve Open

Pulling the lanyard, or depleting the air supplied to their respective pilots, will allow the spring loaded pilot poppet to close. This action blocks off the venting of the piston chamber to the lower pressure area downstream. The piston chamber begins to equalize to the inlet pressure (P1) through the check valve.

The piston area is greater than the effective seal area, hence the unbalance of forces caused by the equal pressure plus the spring will cause the piston to begin to close. As the piston moves toward the closed position, the piston chamber volume increases and must be filled through the two in series

orifices. The primary orifice is considerably larger than the secondary (slot). During the initial and majority of the travel of the piston, the primary orifice is fully exposed to the inlet pressure, hence the rate of closure is controlled by this orifice.

When the piston moves far enough closed to cover the primary orifice, the secondary (smaller) orifice begins to control the closure rate. Hence the valve begins to close relatively rapidly and then slows down as it nears its closed position. The relative size and locations of these two orifices allows the valve to close to provide a minimum of overshoot and yet limit the surge pressure shock, on closing, and still maintain a closure rate in accordance with applicable international specifications.

On Model 61654J with defueling option, the pilot valve is manually held closed by the thumb screw to allow defueling flow.

The dual pilot valve options F or U perform under normal situations the same as option E. The lanyard operation is only for emergency situations where the air supply is not released by the deadman valve.


Envelope Dimensions

Dimensions shown in inches (millimeters)

©2011 EatonAll Rights ReservedPrinted In USAForm No. TF100-86DSeptember 2011

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Documents

PN554110501 MO rev F - Eatonpub/@eaton/@aero/...For those locations that suffer from heavy external contamination, which can result in jamming the “U” pilot lanyard mechanism,