3120-01-176-1041 BEARING,WASHER,THRUST Index 4820-01-176-1043 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-176-1042

Federal Supply Class:
4820

National Item Identification Number:
011761042

Description:
VALVE,CHECK

Detail:
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.


Manufacturer Information:
EFCV-25B-3-90 SCFM99752CHEMIQUIP PRODUCTS CO INC


Techincal Specification:
CONNECTION STYLEFLARE (TUBE) SECOND END
CONNECTION STYLEPLAIN, OPTIONAL END (PIPE) FIRST END
CONNECTION TYPETHREADED INTERNAL TUBE SECOND END
FLOW CONTROL DEVICEPOPPET
MATERIALNICKEL ALLOY BODY
MOUNTING POSITIONHORIZONTAL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.313 INCHES SECOND END
NOMINAL THREAD SIZE0.500 INCHES SECOND END
NOMINAL THREAD SIZE0.250 INCHES FIRST END
OPERATING PRESSURE5.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
THREAD CLASS2B SECOND END
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD DIRECTIONRIGHT-HAND SECOND END
THREAD QUANTITY PER INCH18 SECOND END
THREAD SERIES DESIGNATORNPT FIRST END
THREAD SERIES DESIGNATORUNS SECOND END


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