4820-00-288-6939 VALVE,SAFETY RELIEF Index 4820-00-288-6953 VALVE,VACUUM BREAKING

National Stock Number:
4820-00-288-6944

Federal Supply Class:
4820

National Item Identification Number:
002886944

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:
FIG12 1-2-15PS101343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
CONNECTION STYLEPLAIN (PIPE) FIRST END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEDISK
OPENING PRESSURE SETTING15.0 POUNDS PER SQUARE INCH
OPERATING PRESSURE100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALCOPPER ALLOY OVERALL
MAXIMUM OPERATING TEMP340.0 FAHRENHEIT FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
NOMINAL THREAD SIZE0.500 INCHES FIRST END
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD SERIES DESIGNATORNPT FIRST END


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