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:
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC
MATERIALBRONZE BODY
BRONZE FLOW CONTROL DEVICE
COPPER ALLOY SEAT
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS 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 1ST END
NPT 2ND END
NOMINAL THREAD SIZE0.375 INCHES 1ST END
0.500 INCHES 2ND END
THREAD DIRECTIONRIGHT-HAND 1ST END
RIGHT-HAND 2ND END
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODTHREADED
DISK LOADING METHODSPRING
OPENING PRESSURE SETTING12.0 POUNDS PER SQUARE INCH
FURNISHED ITEMS AND QUANTITY1 CAP


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