4820-01-297-5049 VALVE,SAFETY RELIEF Index 4820-01-297-5051 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-297-5050

Federal Supply Class:
4820

National Item Identification Number:
012975050

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:
290358396214RAYTHEON COMPANY
2903583-196214RAYTHEON COMPANY
RV62-791816CIRCOR AEROSPACE, INC.


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+2.0 TO 3.0 POUNDS PER SQUARE INCH
BONNET ATTACHMENT METHODTHREADED
BONNET TYPEINSIDE SCREW
CONNECTION TYPETHREADED EXTERNAL BOSS ALL ENDS
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIALALUMINUM ALLOY 2024 BODY
MAXIMUM OPERATING TEMP165.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE15.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID, MINERAL BASE SINGLE RESPONSE
NOMINAL THREAD SIZE0.562 INCHES ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD CLASS3A ALL ENDS
THREAD SERIES DESIGNATORUNJ ALL ENDS
THREAD QUANTITY PER INCH18 ALL ENDS
VALVE OPERATION METHODAUTOMATIC


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