4820-01-330-4938 VALVE,CHECK Index 4820-01-330-4941 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-330-4939

Federal Supply Class:
4820

National Item Identification Number:
013304939

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:
6010DC-KC011001343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY


Techincal Specification:
CONNECTION STYLEPLAIN (PIPE) FIRST END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
CONNECTION TYPETHREADED INTERNAL PIPE SECOND END
FLOW CONTROL DEVICEDISK
OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE
OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE
MATERIALCOPPER ALLOY BODY
MATERIALCOPPER ALLOY FLOW CONTROL DEVICE
MATERIALSTEEL STEM
MAXIMUM OPERATING TEMP300.0 FAHRENHEIT SECOND RESPONSE
MAXIMUM OPERATING TEMP406.0 FAHRENHEIT FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDAIR SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM FIRST RESPONSE
NOMINAL THREAD SIZE0.500 INCHES FIRST END
NOMINAL THREAD SIZE0.750 INCHES SECOND END
OPENING PRESSURE SETTING110.0 POUNDS PER SQUARE INCH
VALVE OPERATION METHODAUTOMATIC OR MANUAL
STYLE DESIGNATORANGLE
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS


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