4820-00-720-4266 VALVE,SAFETY RELIEF Index 4820-00-720-4273 VALVE,GLOBE

National Stock Number:
4820-00-720-4272

Federal Supply Class:
4820

National Item Identification Number:
007204272

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:
FIG122737239LUNKENHEIMER CO


Techincal Specification:
STYLE DESIGNATORANGLE
VALVE OPERATION METHODMANUAL
MATERIALCOPPER ALLOY OVERALL
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP550.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPETHREADED INTERNAL PIPE 1ST END
THREADED EXTERNAL PIPE 2ND END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) 1ST END
PLAIN (PIPE) 2ND END
THREAD SERIES DESIGNATORNPT 1ST END
NPT 2ND END
NOMINAL THREAD SIZE1.000 INCHES 1ST END
0.750 INCHES 2ND END
THREAD DIRECTIONRIGHT-HAND 1ST END
RIGHT-HAND 2ND END
DISK LOADING METHODSPRING
OPENING PRESSURE SETTING60.0 POUNDS PER SQUARE INCH


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