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


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