4820-01-322-6602 VALVE,CHECK Index 4820-01-322-6604 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-322-6603

Federal Supply Class:
4820

National Item Identification Number:
013226603

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:
21467516497DRESSER, INC.
3/8-1471 SET 1216497DRESSER, INC.
318-1471 SET 12 PSI16497DRESSER, INC.


Techincal Specification:
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 SECOND END
NOMINAL THREAD SIZE0.375 INCHES FIRST END
OPENING PRESSURE SETTING12.0 POUNDS PER SQUARE INCH
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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