4820-01-247-3869 VALVE,SAFETY RELIEF Index 4820-01-247-3871 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-247-3870

Federal Supply Class:
4820

National Item Identification Number:
012473870

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:
3201-96591-20-3U0153MARCONI SPACE SYSTEMS LTD
CV0178-00622915NORTHROP GRUMMAN CORP ELECTRONIC SYSTEMS DEFENSIVE SYSTEM DIV
SS-4CA-5002570SWAGELOK CO
SS-4CA-5018034NUPRO CO
SS-4CA-503T9T9SWAGELOK CO


Techincal Specification:
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
VALVE OPERATION METHODAUTOMATIC
MATERIALSTEEL CORROSION RESISTING BODY
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP300.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
CONNECTION STYLEPLAIN (TUBE) ALL ENDS
THREAD SERIES DESIGNATORUNF ALL ENDS
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS
THREAD CLASS2A ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
ADJUSTABLE PRESSURE RANGE50.0 TO 150.0 POUNDS PER SQUARE INCH


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