4820-00-289-3767 VALVE,SAFETY RELIEF Index 4820-00-289-3770 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-289-3769

Federal Supply Class:
4820

National Item Identification Number:
002893769

Description:
VALVE,SAFETY RELIEF

Detail:
A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.


Manufacturer Information:
5VAL7216497DRESSER, INC.


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+31.0 TO 48.0 POUNDS PER SQUARE INCH
BOLT CIRCLE NOMINAL DIAMETER3.938 INCHES SECOND END
BOLT HOLE NOMINAL DIAMETER0.562 INCHES SECOND END
BOLT HOLE QUANTITY6 SECOND END
CONNECTION TYPEUNTHREADED INTERNAL PIPE FIRST END
CONNECTION STYLESWIVEL NUT,GASKET SEAL(TUBE) ALL ENDS
CONNECTION TYPEFLANGE SECOND END
DISK LOADING METHODSPRING
FLANGE FACE DESIGNPLAIN SECOND END
FLANGE SHAPEROUND WITH HOLES SECOND END
FLOW CONTROL DEVICEPOPPET
OPERATING PRESSURE100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALCOPPER ALLOY BODY
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY SEAT
MATERIALNICKEL ALLOY STEM
MAXIMUM OPERATING TEMP425.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER5.062 INCHES SECOND END
NOMINAL THICKNESS0.562 INCHES SECOND END
NOMINAL PIPE SIZE ACCOMMODATED1.500 INCHES FIRST END
RENEWABLE SEAT RING TYPETHREADED
SPECIAL FEATURESW/LIFTING LEVER
VALVE OPERATION METHODAIR
STYLE DESIGNATORANGLE


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