4820-01-353-8459 VALVE,SAFETY RELIEF Index 4810-01-353-8461 VALVE,LINEAR,DIRECTIONAL CONTROL

National Stock Number:
4820-01-353-8460

Federal Supply Class:
4820

National Item Identification Number:
013538460

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:
6307323-00253711NAVAL SEA SYSTEMS COMMAND
A341-206239AUSCO INC
6307323-00297993GENERAL DYNAMICS DEFENSE SYSTEMS INC. DBA GENERAL DYNAMICS ADVANCED INFORMATION SYSTEMS


Techincal Specification:
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) 1ST ENDFLARELESS (TUBE) 2ND END
CONNECTION TYPETHREADED EXTERNAL BOSS 1ST ENDTHREADED EXTERNAL TUBE 2ND END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEDISK
OPENING PRESSURE SETTING115.0 POUNDS PER SQUARE INCH
MATERIALSTEEL CORROSION RESISTING OVERALL
MAXIMUM OPERATING TEMP125.0 FAHRENHEIT SINGLE RESPONSE
NOMINAL THREAD SIZE0.750 INCHES 1ST END1.312 INCHES 2ND END
SEAT ANGLE37.0 DEGREES 1ST END24.0 DEGREES 2ND END
VALVE DISCHARGE FLOW RATE17.0 GALLONS PER MINUTE
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
SURFACE TREATMENTPASSIVATE
THREAD CLASS3A ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORUNJ ALL ENDS
THREAD QUANTITY PER INCH16 1ST END12 2ND END


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