5999-00-349-8950 SHIELDING GASKET,ELECTRONIC Index 4820-00-349-8952 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-349-8951

Federal Supply Class:
4820

National Item Identification Number:
003498951

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:
4712N15-1 1-2 50PSI39428MCMASTER-CARR SUPPLY CO


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+2.0 TO 250.0 POUNDS PER SQUARE INCH+2.0 TO 250.0 POUNDS PER SQUARE INCH
CONNECTION STYLEPLAIN (PIPE) SECOND ENDPLAIN (PIPE) SECOND END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) FIRST ENDPLAIN,OPTIONAL END(PIPE) FIRST END
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND ENDTHREADED EXTERNAL PIPE SECOND END
CONNECTION TYPETHREADED INTERNAL PIPE FIRST ENDTHREADED INTERNAL PIPE FIRST END
FLOW CONTROL DEVICEPOPPETPOPPET
MATERIALCOPPER ALLOY SEATCOPPER ALLOY BODY
MATERIALSTEEL STEMCOPPER ALLOY SEAT
MATERIALSTEEL STEM
MAXIMUM OPERATING TEMP450.0 FAHRENHEIT SINGLE RESPONSE450.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM SECOND RESPONSEAIR FIRST RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED1.500 INCHES FIRST END1.500 INCHES FIRST END
NOMINAL PIPE SIZE ACCOMMODATED1.500 INCHES SECOND END1.500 INCHES SECOND END
NOMINAL THREAD SIZE1.500 INCHES FIRST END1.500 INCHES FIRST END
NOMINAL THREAD SIZE1.500 INCHES SECOND END1.500 INCHES SECOND END
OPENING PRESSURE SETTING50.0 POUNDS PER SQUARE INCH
OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
SPECIAL FEATURESTHE END CONNECTION IDENTIFIED ABOVE AS THE SECOND END IS THE VALVE INLET
VALVE OPERATION METHODAUTOMATICAUTOMATIC
STYLE DESIGNATORANGLE
THREAD DIRECTIONRIGHT-HAND FIRST ENDRIGHT-HAND FIRST END
THREAD DIRECTIONRIGHT-HAND SECOND ENDRIGHT-HAND SECOND END
THREAD QUANTITY PER INCH11-1/2 FIRST END11-1/2 FIRST END
THREAD QUANTITY PER INCH11-1/2 SECOND END11-1/2 SECOND END
THREAD SERIES DESIGNATORNPT SECOND END
THREAD SERIES DESIGNATORNPT SECOND ENDNPT FIRST END


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