4820-00-467-4726 VALVE,GLOBE Index 4820-00-467-4732 VALVE,CHECK

National Stock Number:
4820-00-467-4728

Federal Supply Class:
4820

National Item Identification Number:
004674728

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:
2601 1-2 50LB14959CRANE CO DIV VALVE DIV
3800190ATF2L & L BOILER MAINTENANCE INC
658 1-2 50LB37239LUNKENHEIMER CO
38001954108D & J PARTS INC


Techincal Specification:
BONNET TYPEINSIDE SPRINGINSIDE SPRING
BONNET ATTACHMENT METHODTHREADEDTHREADED
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
DISK LOADING METHODSPRINGSPRING
FEATURES PROVIDEDVALVE STEM LOCK SHIELD AND VALVE STEM LOCK SHIELD AND PRESSURE TIGHT OUTLET SIDEPRESSURE TIGHT OUTLET SIDE
FLOW CONTROL DEVICEDISKDISK
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY B5 FED SPEC SINGLE MATERIAL RESPONSE SEATQQ-C-390,ALLOY B6 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY B5 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIALCOPPER ALLOY 836 SEATCOPPER ALLOY 836 BODY
MATERIALCOPPER ALLOY FLOW CONTROL DEVICECOPPER ALLOY 836 SEAT
MATERIALSTEEL STEMCOPPER ALLOY FLOW CONTROL DEVICE
MATERIALSTEEL STEM
MAXIMUM OPERATING TEMP406.0 FAHRENHEIT SINGLE RESPONSE406.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES FIRST END0.500 INCHES FIRST END
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES SECOND END0.500 INCHES SECOND END
NOMINAL THREAD SIZE0.500 INCHES FIRST END0.500 INCHES FIRST END
NOMINAL THREAD SIZE0.500 INCHES SECOND END0.500 INCHES SECOND END
OPENING PRESSURE SETTING50.0 POUNDS PER SQUARE INCH
OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
VALVE DISCHARGE FLOW RATE138.0 POUNDS PER HOUR138.0 POUNDS PER HOUR
VALVE OPERATION METHODAUTOMATICAUTOMATIC
STYLE DESIGNATORANGLE
THREAD DIRECTIONRIGHT-HAND FIRST ENDRIGHT-HAND FIRST END
THREAD DIRECTIONRIGHT-HAND SECOND ENDRIGHT-HAND SECOND END
THREAD QUANTITY PER INCH14 FIRST END14 FIRST END
THREAD QUANTITY PER INCH14 SECOND END14 SECOND END
THREAD SERIES DESIGNATORNPT SECOND END
THREAD SERIES DESIGNATORNPT SECOND ENDNPT FIRST END


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