4820-01-283-7157 VALVE,SAFETY RELIEF Index 4820-01-283-7159 VALVE,DIAPHRAGM,STOP

National Stock Number:
4820-01-283-7158

Federal Supply Class:
4820

National Item Identification Number:
012837158

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:
SS-8CPA2-DGEP-302570SWAGELOK CO
SS-8CPA2-DGEP-318034NUPRO CO
SS-8CPA2-DGEP-31N7V5SCIOTO VALVE & FITTING CO
SS-8CPA2-DGEP-33T9T9SWAGELOK CO
SS-8CPA2-DGEP-351213SCIOTO VALVE AND FITTING CO


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+3.0 TO 50.0 POUNDS PER SQUARE INCH
BONNET TYPEINSIDE SCREW
BONNET ATTACHMENT METHODBOLTED
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEDISK
MATERIALSTEEL CORROSION RESISTING BODY
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MAXIMUM OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
NOMINAL THREAD SIZE0.500 INCHES ALL ENDS
SPECIAL FEATURESW/DEFLECTOR CAP
STYLE DESIGNATORSTRAIGHT THRU
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
VALVE OPERATION METHODAUTOMATIC


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