4820-01-280-8938 VALVE,CHECK Index 4820-01-280-8940 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-280-8939

Federal Supply Class:
4820

National Item Identification Number:
012808939

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:
966 1.25IN75144JENKINS BROS
FIG 966 SIZE 1 1/4 IN75144JENKINS BROS
GC-1415175144JENKINS BROS


Techincal Specification:
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLEPLAIN, OPTIONAL END (PIPE) ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIALCOPPER ALLOY BODY
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY SEAT
MAXIMUM OPERATING PRESSURE1000.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT 2ND RESPONSE
MAXIMUM OPERATING TEMP550.0 FAHRENHEIT 1ST RESPONSE
MAXIMUM OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS 2ND RESPONSE
MOUNTING POSITIONHORIZONTAL
NOMINAL THREAD SIZE1.250 INCHES ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
VALVE OPERATION METHODAUTOMATIC


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