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 ATTACHMENT METHODTHREADED
BONNET TYPEINSIDE SPRING
CONNECTION TYPETHREADED EXTERNAL PIPE 2ND END
CONNECTION STYLEPLAIN (PIPE) 2ND END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) 1ST END
CONNECTION TYPETHREADED INTERNAL PIPE 1ST END
DISK LOADING METHODSPRING
FEATURES PROVIDEDVALVE STEM LOCK SHIELD AND PRESSURE TIGHT OUTLET SIDE
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY B5 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY B6 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALCOPPER ALLOY FLOW CONTROL DEVICE
MATERIALCOPPER ALLOY 836 BODY
MATERIALCOPPER ALLOY 836 SEAT
MATERIALSTEEL STEM
MAXIMUM OPERATING TEMP406.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
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 SETTING50.0 POUNDS PER SQUARE INCH
STYLE DESIGNATORANGLE
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD DIRECTIONRIGHT-HAND 2ND END
THREAD QUANTITY PER INCH14 2ND END
THREAD QUANTITY PER INCH14 1ST END
THREAD SERIES DESIGNATORNPT 1ST END
THREAD SERIES DESIGNATORNPT 2ND END
VALVE DISCHARGE FLOW RATE138.0 POUNDS PER HOUR
VALVE OPERATION METHODAUTOMATIC


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