4820-00-469-7671 VALVE,GLOBE Index 4820-00-469-7675 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-469-7673

Federal Supply Class:
4820

National Item Identification Number:
004697673

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:
260614959CRANE CO DIV VALVE DIV


Techincal Specification:
BONNET ATTACHMENT METHODTHREADED
BONNET TYPEINSIDE SPRING
CONNECTION STYLEPLAIN (PIPE) 2ND END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) 1ST END
CONNECTION TYPETHREADED EXTERNAL PIPE 2ND END
CONNECTION TYPETHREADED INTERNAL PIPE 1ST END
DISK LOADING METHODSPRING
FEATURES PROVIDEDBONNET PACKING AND PRESSURE TIGHT OUTLET SIDE
FLOW CONTROL DEVICEDISK
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES 1ST END
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES 2ND END
NOMINAL THREAD SIZE0.500 INCHES 1ST END
NOMINAL THREAD SIZE0.500 INCHES 2ND END
OPENING PRESSURE SETTING15.0 POUNDS PER SQUARE INCH
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY B5 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY B5 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY B5 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIALCOPPER ALLOY BODY
MATERIALCOPPER ALLOY FLOW CONTROL DEVICE
MATERIALCOPPER ALLOY SEAT
MATERIALSTEEL STEM
MAXIMUM OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH 1ST RESPONSE
MAXIMUM OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING TEMP406.0 DEG FAHRENHEIT 2ND RESPONSE
MAXIMUM OPERATING TEMP406.0 DEG FAHRENHEIT 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDALCOHOL, METHYL 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM 1ST RESPONSE
THREAD DIRECTIONRIGHT-HAND 2ND END
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD QUANTITY PER INCH14 1ST END
THREAD QUANTITY PER INCH14 2ND END
THREAD SERIES DESIGNATORNPT 2ND END
THREAD SERIES DESIGNATORNPT 1ST END
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORANGLE


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