4820-00-056-7662 VALVE,GATE Index 4810-00-056-7687 VALVE,LINEAR,DIRECTIONAL CONTROL

National Stock Number:
4820-00-056-7677

Federal Supply Class:
4820

National Item Identification Number:
000567677

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:
187-50L72352CURTISS-WRIGHT FLOW CONTROL CORPORATION
18750L72352CURTISS-WRIGHT FLOW CONTROL CORPORATION
1896-M4072352CURTISS-WRIGHT FLOW CONTROL CORPORATION


Techincal Specification:
BONNET ATTACHMENT METHODTHREADED
BONNET TYPEINSIDE SPRING
CONNECTION STYLEPLAIN (PIPE) 2ND END
CONNECTION TYPETHREADED EXTERNAL PIPE 2ND END
CONNECTION TYPETHREADED INTERNAL PIPE 1ST END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) 1ST END
DISK LOADING METHODSPRING
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
FLOW CONTROL DEVICEDISK
MATERIALCOPPER ALLOY SEAT
MATERIALCOPPER ALLOY BODY
MATERIALSTEEL CORROSION RESISTING STEM
MAXIMUM OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP450.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDGAS, NATURAL 3RD RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM 2ND RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES 2ND END
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES 1ST END
NOMINAL THREAD SIZE0.500 INCHES 2ND END
NOMINAL THREAD SIZE0.750 INCHES 1ST END
OPENING PRESSURE SETTING30.0 POUNDS PER SQUARE INCH
STYLE DESIGNATORANGLE
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD DIRECTIONRIGHT-HAND 2ND END
THREAD SERIES DESIGNATORNPT 1ST END
THREAD SERIES DESIGNATORNPT 2ND END
VALVE DISCHARGE FLOW RATE68.0 CUBIC FEET PER MINUTE
VALVE OPERATION METHODMANUAL


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