4820-00-855-4140 VALVE,ANGLE Index 5930-00-855-4146 SWITCH,PRESSURE

National Stock Number:
4820-00-855-4143

Federal Supply Class:
4820

National Item Identification Number:
008554143

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:
148838056ASHCROFT INC


Techincal Specification:
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODTHREADED
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
FEATURES PROVIDEDVALVE STEM LOCK SHIELD
FLOW CONTROL DEVICECONE
MATERIALCOPPER ALLOY BODY
MATERIALCOPPER ALLOY FLOW CONTROL DEVICE
MATERIALCOPPER ALLOY SEAT
MATERIALSTEEL STEM
MAXIMUM OPERATING TEMP406.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES FIRST END
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES SECOND END
NOMINAL THREAD SIZE0.500 INCHES FIRST END
NOMINAL THREAD SIZE0.500 INCHES SECOND END
OPENING PRESSURE SETTING15.0 POUNDS PER SQUARE INCH
OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORANGLE
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD DIRECTIONRIGHT-HAND SECOND END
THREAD QUANTITY PER INCH14 FIRST END
THREAD QUANTITY PER INCH14 SECOND END
THREAD SERIES DESIGNATORNPT FIRST END
THREAD SERIES DESIGNATORNPT SECOND END


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