4820-01-365-9029 VALVE,SAFETY RELIEF Index 4820-01-365-9031 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-365-9030

Federal Supply Class:
4820

National Item Identification Number:
013659030

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:
1856M-1X1.25-9072352CURTISS-WRIGHT FLOW CONTROL CORPORATION
1856M-1X1.25-90PSI72352CURTISS-WRIGHT FLOW CONTROL CORPORATION
19-402-1972219AALBERTS INTEGRATED PIPING SYSTEMS AMERICAS, INC.
19KFEK9072219AALBERTS INTEGRATED PIPING SYSTEMS AMERICAS, INC.
581419-00275906PACIFIC CONSOLIDATED INDUSTRIES LLC


Techincal Specification:
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC
MATERIALCOPPER ALLOY OVERALL
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP450.0 DEG FAHRENHEIT 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 SIZE1.000 INCHES 1ST END
1.250 INCHES 2ND END
THREAD DIRECTIONRIGHT-HAND ALL ENDS
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODINTEGRAL
DISK LOADING METHODSPRING
OPENING PRESSURE SETTING90.0 POUNDS PER SQUARE INCH


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