4820-01-345-9970 VALVE,SAFETY RELIEF Index 4820-01-345-9972 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-345-9971

Federal Supply Class:
4820

National Item Identification Number:
013459971

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:
16-004-009-Z04543990NORGREN C A CO
16-004-010U04543990NORGREN C A CO
16-004-013 45PSI43990NORGREN C A CO
A317995280063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEDISK
OPENING PRESSURE SETTING45.0 POUNDS PER SQUARE INCH
MATERIALCOPPER ALLOY BODYCOPPER ALLOY FLOW CONTROL DEVICERUBBER SEAT
MAXIMUM OPERATING TEMP93.0 CELSIUS SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS


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