4820-01-277-8402 VALVE,GATE Index 6210-01-277-8406 LENS,LIGHT

National Stock Number:
4820-01-277-8403

Federal Supply Class:
4820

National Item Identification Number:
012778403

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:
0020-C02-MC026901343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
147116497DRESSER, INC.
1471-1/2IN16497DRESSER, INC.
21467516497DRESSER, INC.
214675-1/2IN-242T 290PSI16497DRESSER, INC.


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+242.0 TO 290.0 POUNDS PER SQUARE INCH
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODTHREADED
CONNECTION STYLEPLAIN (PIPE) FIRST END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
CONNECTION TYPETHREADED INTERNAL PIPE SECOND END
DISK LOADING METHODSPRING
FURNISHED ITEMS AND QUANTITY1 CAP
FLOW CONTROL DEVICEDISK
MATERIALBRONZE FLOW CONTROL DEVICE
MATERIALBRONZE BODY
MATERIALCOPPER ALLOY SEAT
MAXIMUM OPERATING TEMP450.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
NOMINAL THREAD SIZE0.500 INCHES FIRST END
NOMINAL THREAD SIZE0.500 INCHES SECOND END
OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORANGLE
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD DIRECTIONRIGHT-HAND SECOND END
THREAD SERIES DESIGNATORNPT FIRST END
THREAD SERIES DESIGNATORNPT SECOND END


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