4820-01-313-4129 VALVE,SAFETY RELIEF Index 4820-01-313-4131 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-313-4130

Federal Supply Class:
4820

National Item Identification Number:
013134130

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:
301458553SUPERIOR VALVE CO
3014-40058553SUPERIOR VALVE CO


Techincal Specification:
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
VALVE OPERATION METHODAUTOMATIC
MATERIALCOPPER ALLOY BODY
FLOW CONTROL DEVICEDISK
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
CONNECTION STYLEFLARED (TUBE) 1ST END
PLAIN (TUBE) 2ND END
SEAT ANGLE45.0 DEGREES ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
NOMINAL THREAD SIZE0.375 INCHES ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
DISK LOADING METHODSPRING
OPENING PRESSURE SETTING400.0 POUNDS PER SQUARE INCH


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