4820-01-350-3685 VALVE,SAFETY RELIEF Index 4810-01-350-3687 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-350-3686

Federal Supply Class:
4820

National Item Identification Number:
013503686

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:
33422033654HOWDEN FLUID SYSTEMS
334220P0133654HOWDEN FLUID SYSTEMS
334220P0158163MEGGITT (NORTH HOLLYWOOD), INC.
577A1-4D-3091816CIRCOR AEROSPACE, INC.


Techincal Specification:
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS
CONNECTION TYPETHREADED EXTERNAL BOSS ALL ENDS
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEDISK
OPENING PRESSURE SETTING30.0 POUNDS PER SQUARE INCH
MATERIALALUMINUM ALLOY BODY
MAXIMUM OPERATING TEMP180.0 FAHRENHEIT SINGLE RESPONSE
NOMINAL THREAD SIZE0.438 INCHES ALL ENDS
VALVE DISCHARGE FLOW RATE0.7 GALLONS PER MINUTE
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
SURFACE TREATMENTANODIZE
THREAD CLASS3A ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORUNJ ALL ENDS
THREAD QUANTITY PER INCH20 ALL ENDS


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