4820-00-872-3334, VALVE,SAFETY RELIEF

National Stock Number:
4820-00-872-3334

Federal Supply Class:
4820

National Item Identification Number:
008723334

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-8813	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS28893	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS28893-A4-600	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS28893A4-600	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

ADJUSTABLE PRESSURE RANGE	+500.0 TO 825.0 POUNDS PER SQUARE INCH
CONNECTION STYLE	GASKET SEAL(BOSS) ALL ENDS
CONNECTION TYPE	THREADED INTERNAL BOSS ALL ENDS
DISK LOADING METHOD	SPRING
FEATURES PROVIDED	PRESSURE TIGHT OUTLET SIDE
FLOW CONTROL DEVICE	POPPET
MATERIAL	STEEL CORROSION RESISTING OVERALL
MAXIMUM OPERATING TEMP	275.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNED	HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE
NOMINAL THREAD SIZE	0.437 INCHES ALL ENDS
OPENING PRESSURE SETTING	600.0 POUNDS PER SQUARE INCH
OPERATING PRESSURE	825.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
VALVE DISCHARGE FLOW RATE	2.5 GALLONS PER MINUTE
VALVE OPERATION METHOD	AUTOMATIC
STYLE DESIGNATOR	STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
THREAD CLASS	3B ALL ENDS
THREAD DIRECTION	RIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATOR	UNF ALL ENDS

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