4820-00-956-2491 VALVE,SAFETY RELIEF Index 4810-00-956-2500 VALVE,LINEAR,DIRECTIONAL CONTROL

National Stock Number:
4820-00-956-2497

Federal Supply Class:
4820

National Item Identification Number:
009562497

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:
274572352CURTISS-WRIGHT FLOW CONTROL CORPORATION


Techincal Specification:
BONNET TYPEINSIDE SPRING
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) 1ST END
CONNECTION TYPETHREADED INTERNAL PIPE 1ST END
DISK LOADING METHODSPRING
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
FLOW CONTROL DEVICEDISK
NOMINAL PIPE SIZE ACCOMMODATED1.000 INCHES 1ST END
NOMINAL THREAD SIZE1.000 INCHES 1ST END
OPENING PRESSURE SETTING750.0 POUNDS PER SQUARE INCH
MATERIALCOPPER ALLOY BODY
MATERIALCOPPER ALLOY SEAT
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIALSTEEL CORROSION RESISTING STEM
MAXIMUM OPERATING PRESSURE2000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP100.0 DEG FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD QUANTITY PER INCH11-1/2 1ST END
THREAD SERIES DESIGNATORNPT 1ST END
VALVE DISCHARGE FLOW RATE197.0 GALLONS PER MINUTE
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORANGLE


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