4820-00-097-8171 VALVE,SAFETY RELIEF Index 5360-00-097-8176 SPRING,HELICAL,COMPRESSION

National Stock Number:
4820-00-097-8172

Federal Supply Class:
4820

National Item Identification Number:
000978172

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:
MIL-V-881381349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS28893-C6-190096906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS28893C6190096906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+1400.0 TO 2300.0 POUNDS PER SQUARE INCH
CONNECTION TYPETHREADED INTERNAL BOSS ALL ENDS
CONNECTION STYLEGASKET SEAL(BOSS) ALL ENDS
DISK LOADING METHODSPRING
FEATURES PROVIDEDVALVE STEM LOCK SHIELD AND PRESSURE TIGHT OUTLET SIDE
FLOW CONTROL DEVICEPOPPET
MATERIALSTEEL CORROSION RESISTING OVERALL
MAXIMUM OPERATING PRESSURE2500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP275.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE
NOMINAL THREAD SIZE0.562 INCHES ALL ENDS
OPENING PRESSURE SETTING1900.0 POUNDS PER SQUARE INCH
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
SURFACE TREATMENTPASSIVATE
THREAD CLASS3B ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORUNF ALL ENDS
VALVE DISCHARGE FLOW RATE7.0 GALLONS PER MINUTE
VALVE OPERATION METHODAUTOMATIC


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