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:
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAIR
MATERIALCOPPER ALLOY BODY
NICKEL ALLOY FLOW CONTROL DEVICE
NICKEL ALLOY SEAT
NICKEL ALLOY STEM
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE100.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP425.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPEUNTHREADED INTERNAL PIPE 1ST END
FLANGE 2ND END
CONNECTION STYLESWIVEL NUT,GASKET SEAL(TUBE) ALL ENDS
FLANGE SHAPEROUND WITH HOLES 2ND END
NOMINAL OUTSIDE DIAMETER5.062 INCHES 2ND END
NOMINAL THICKNESS0.562 INCHES 2ND END
BOLT HOLE QUANTITY6 2ND END
BOLT HOLE NOMINAL DIAMETER0.562 INCHES 2ND END
BOLT CIRCLE NOMINAL DIAMETER3.938 INCHES 2ND END
FLANGE FACE DESIGNPLAIN 2ND END
NOMINAL PIPE SIZE ACCOMMODATED1.500 INCHES 1ST END
RENEWABLE SEAT RING TYPETHREADED
DISK LOADING METHODSPRING
ADJUSTABLE PRESSURE RANGE31.0 TO 48.0 POUNDS PER SQUARE INCH
SPECIAL FEATURESW/LIFTING LEVER
THE MANUFACTURERS DATA
MANUFACTURERS CODE16497
DESIGN CONTROL REFERENCE5VAL72


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