4820-01-325-6943 VALVE,CHECK Index 4820-01-325-6945 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-325-6944

Federal Supply Class:
4820

National Item Identification Number:
013256944

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:
18252-F 2IN 130T144PSI72352CURTISS-WRIGHT FLOW CONTROL CORPORATION
1856M-0272352CURTISS-WRIGHT FLOW CONTROL CORPORATION
1856M-OL72352CURTISS-WRIGHT FLOW CONTROL CORPORATION


Techincal Specification:
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC
MATERIALCOPPER ALLOY 836 BODY
COPPER ALLOY FLOW CONTROL DEVICE
COPPER ALLOY STEM
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
CONNECTION TYPETHREADED EXTERNAL PIPE 1ST END
THREADED INTERNAL PIPE 2ND END
CONNECTION STYLEPLAIN (PIPE) 1ST END
PLAIN,OPTIONAL END(PIPE) 2ND END
THREAD SERIES DESIGNATORNPT ALL ENDS
NOMINAL THREAD SIZE2.000 INCHES 1ST END
2.500 INCHES 2ND END
THREAD DIRECTIONRIGHT-HAND ALL ENDS
BONNET TYPEINSIDE SCREW
BONNET ATTACHMENT METHODTHREADED
ADJUSTABLE PRESSURE RANGE130.0 TO 144.0 POUNDS PER SQUARE INCH


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