4820-01-337-3879 VALVE,SAFETY RELIEF Index 4820-01-337-3881 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-337-3880

Federal Supply Class:
4820

National Item Identification Number:
013373880

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:
5377T-8BB-355591816CIRCOR AEROSPACE, INC.


Techincal Specification:
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC
MATERIALSTEEL COMP 303 BODY
STEEL CORROSION RESISTING FLOW CONTROL DEVICE
STEEL CORROSION RESISTING SEAT
STEEL CORROSION RESISTING STEM
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDOIL, HYDRAULIC SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE10500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP-45.0 DEG FAHRENHEIT 1ST RESPONSE
250.0 DEG FAHRENHEIT 2ND RESPONSE
CONNECTION TYPETHREADED INTERNAL BOSS ALL ENDS
CONNECTION STYLEGASKET SEAL(BOSS) ALL ENDS
THREAD SERIES DESIGNATORUNF ALL ENDS
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS
THREAD CLASSA3B ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
DISK LOADING METHODSPRING
OPENING PRESSURE SETTING3555.0 POUNDS PER SQUARE INCH


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