4820-01-290-4904 VALVE,SAFETY RELIEF Index 4820-01-290-4906 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-290-4905

Federal Supply Class:
4820

National Item Identification Number:
012904905

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:
1850H-0L 1 X 172352CURTISS-WRIGHT FLOW CONTROL CORPORATION
1850H-0L 1 X 1/2 IN72352CURTISS-WRIGHT FLOW CONTROL CORPORATION
1982C 1X1.5IN 216497DRESSER, INC.
1850H-0L 1X1-1/2 IN72352CURTISS-WRIGHT FLOW CONTROL CORPORATION


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+10.0 TO 800.0 POUNDS PER SQUARE INCH
CONNECTION TYPETHREADED EXTERNAL PIPE 1ST END
CONNECTION TYPETHREADED INTERNAL PIPE 2ND END
CONNECTION STYLEPLAIN (PIPE) 1ST END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) 2ND END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEDISK
MATERIALSTEEL COMP 316 BODY
NOMINAL THREAD SIZE1.500 INCHES 2ND END
NOMINAL THREAD SIZE1.000 INCHES 1ST END
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC


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