BENDIX BW2539 Uživatelský manuál stáhnout pdf (Strana 1)

Two .28 inch mounting holes are provided in the die cast

zinc body for panel or frame mounting. Two steel hex cap

nuts at the ends of the cylindrical valve body retain the

internal components. All air connection ports contain pipe

threads. Lettering embossed in the valve body identiﬁ es

two of the four ports in the valve. Refer to the chart below

and ﬁ gure 1.

Air Connection Body Ident. Thread Size

Supply SUP 1/4” P.T.

Delivery DEL 1/4” P.T.

Control NONE 1/4” P.T.

Vent NONE 1/8” P.T.

IMPORTANT: A vented, socket head vent plug is

installed in some SS-1

™

valves, however, an exhaust

check valve should be installed in the threaded vent

port when the SS-1

™

valve is mounted outside the cab

in unprotected environments. See Figure 2.

DESCRIPTION

The SS-1

™

shut-off valve (ﬁ gure 1) is a pilot operated,

air controlled, on-off, non-graduating, non-exhausting

pneumatic control valve. The valve is primarily used to

delay, sequence, or control airﬂ ow from various devices in

the air brake system. It can be operated either in a pilot or

automatic mode using different air connection methods.

The SS-1

™

valve is a general purpose valve used in a

variety of applications on trucks, buses, tractors, trailers

and converter dollies. It is offered in a variety of pressure

settings to accommodate applications where automatic

operation is required. The most common application of

the SS-1

™

valve is in the tractor protection system of a

truck tractor.

Important Note: The SS-1

™

shut-off valve is

application speciﬁ c due to its pressure settings. It is

therefore important to use the proper part number

when replacement is required. IN ADDITION: The

SS-1

™

shut-off valve and SV-1

™

synchro valves are

identical in appearance and similar in operation but

have substantial internal differences and must not

be confused or used interchangeably. The SV-1

™

synchro valve incorporates an internal exhaust passage

through its piston, which allows delivery pressure to

be vented to atmosphere while the SS-1

™

does not.

Refer to Service Data Sheet, SD-03-4020, for more

information on the SV-1

™

synchro valve. Service Data

Sheets can be obtained by calling 1-800-AIR-BRAKE

or by visiting www.bendix.com on the Internet.

1/8" PIPE THREAD

Note: Either style may be installed in the SS-1

™

valve

FIGURE 2 - EXHAUST CHECK VALVE STYLES

FIGURE 1- SS-1

™

SHUT-OFF VALVE

PISTON O-RING

MOUNTING

HOLES

DELIVERY

PORT

SUPPLY

PORT

VENT PLUG WITH

1/8" P.T. VENT

INLET VALVE

PISTON

INLET VALVE

SPRING

PISTON RETURN

SPRING

PISTON O-RING

1/4" P.T.

CONTROL PORT

1/4" P.T.

SUPPLY PORT

1/4" P.T.

DELIVERY

PORT

MOUNTING

HOLE

CONTROL

PORT

VENT PORT

CONTROL PORT

CAP NUT

CAP NUT O-RING

SUPPLY PORT

CAP NUT

CAP NUT O-RING

SD-03-4010

Bendix

SS-1

™

Shut-Off Valve

1 2 3 4

Shrnutí obsahu

Strany 1 - Shut-Off Valve

1Two .28 inch mounting holes are provided in the die cast zinc body for panel or frame mounting. Two steel hex cap nuts at the ends of the cylindrical

Strany 2 - OPERATION

2OPERATIONGENERALBecause the SS-1™ shut-off valve is a general purpose valve, it can be connected in the air system in a variety of ways to accomplish

Strany 3 - OPERATING AND LEAKAGE TESTS

3mode. When using the SS-1™ shut-off valve in this manner, the control signal ramp rate should be limited by oriﬁ cing or other methods. Please contac

Strany 4 - REMOVING AND INSTALLING

43. With full system pressure present at the control port, remove all pressure from the supply port. Note that delivery port pressure is reduced to 1

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Flowserve Valtek Mark 14 Manual de usuario (16 paginas)

Marca: Flowserve | Categoria: Hardware | Tamaño: 0.51 MB |

Tabla de contenidos

USER INSTRUCTIONS

Contents

1 General Information

1.8 Storage

1.4 Protective Clothing

1.5 Qualiﬁed Personnel

1.6 Spare Parts

1.7 Service / Repair

2 Unpacking

3 Installation

4 Quick-check

5 Valve Maintenance

6 Disassembly and Inspection

ﬂowserve.com

Figure 5 – Cross Section

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BENDIX BW2539 Uživatelský manuál Strana 1