4820-01-344-8997 VALVE,SAFETY RELIEF Index 4820-01-344-8999 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-344-8998

Federal Supply Class:
4820

National Item Identification Number:
013448998

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:
10124714A486GNIMIKKEISTOKESKUS NCB FINLAND
11-44727195ACTRONICS INCORPORATED
11883-00212536AMETEK THERMAL SYSTEMS INC


Techincal Specification:
CONNECTION STYLEPLAIN (TUBE) ALL ENDS
CONNECTION TYPETHREADED CARTRIDGE ALL ENDS
FLOW CONTROL DEVICEPOPPET
OPENING PRESSURE SETTING75.0 POUNDS PER SQUARE INCH
MATERIALSTEEL CORROSION RESISTING BODY
MAXIMUM OPERATING PRESSURE330.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP320.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDOIL, LUBRICATING, DIESTER BASE SINGLE RESPONSE
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSCREW-IN CARTRIDGE
SURFACE TREATMENTPASSIVATE
THREAD CLASS3A ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORUNF ALL ENDS


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