4820-01-313-4545 VALVE,SAFETY RELIEF Index 4820-01-313-4547 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-313-4546

Federal Supply Class:
4820

National Item Identification Number:
013134546

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:
A-319001343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
A-319075954KUNKLE INDUSTRIES INC LONERGAN VALVE DIV
FBFFE-E2MAN01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
FBFFE-E2MAM75954KUNKLE INDUSTRIES INC LONERGAN VALVE DIV


Techincal Specification:
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC
MATERIALCOPPER ALLOY BODY
FLOW CONTROL DEVICEBALL OR
DISK
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
GAS, INERT 2ND RESPONSE
STEAM 3RD RESPONSE
MAXIMUM OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH 1ST RESPONSE
300.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING TEMP406.0 DEG FAHRENHEIT 1ST RESPONSE
300.0 DEG FAHRENHEIT 2ND 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 SIZE1.000 INCHES 1ST END
1.250 INCHES 2ND END
THREAD DIRECTIONRIGHT-HAND ALL ENDS
BONNET TYPEINSIDE SCREW
BONNET ATTACHMENT METHODTHREADED
OPENING PRESSURE SETTING300.0 POUNDS PER SQUARE INCH


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