6620-00-768-3645 THERMOSTAT,FLOW CONTROL Index 4820-00-768-3649 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-768-3648

Federal Supply Class:
4820

National Item Identification Number:
007683648

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:
SERIES5NP552903CORNWELL NUCLEAR VALVE CO


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+1.0 TO 300.0 POUNDS PER SQUARE INCH
CONNECTION STYLEPLAIN (PIPE) SECOND END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) FIRST END
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
CONNECTION TYPETHREADED INTERNAL PIPE FIRST END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEDISK
OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALCOPPER ALLOY OVERALL
MAXIMUM OPERATING TEMP406.0 FAHRENHEIT SINGLE RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES FIRST END
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES SECOND END
NOMINAL THREAD SIZE0.750 INCHES FIRST END
NOMINAL THREAD SIZE0.750 INCHES SECOND END
OPENING PRESSURE SETTING15.0 POUNDS PER SQUARE INCH
SPECIAL FEATURESLIFTING LEVER
VALVE OPERATION METHODAUTOMATIC
VALVE DISCHARGE FLOW RATE174.0 POUNDS PER HOUR
STYLE DESIGNATORANGLE
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD DIRECTIONRIGHT-HAND SECOND END
THREAD SERIES DESIGNATORNPT FIRST END
THREAD SERIES DESIGNATORNPT SECOND END
THREAD QUANTITY PER INCH14 FIRST END
THREAD QUANTITY PER INCH14 SECOND END


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