5305-01-433-9849 SCREW,CAP,SOCKET HEAD Index 7643-01-433-9851 TOPOGRAPHIC GEOSPATIAL PRODUCTS

National Stock Number:
4820-01-433-9850

Federal Supply Class:
4820

National Item Identification Number:
014339850

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:
1/2-1543D-XMY116497DRESSER, INC.


Techincal Specification:
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC
MATERIALCOPPER ALLOY BODY
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDAIR 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 SIZE0.500 INCHES 1ST END
0.500 INCHES 2ND END
THREAD DIRECTIONRIGHT-HAND 1ST END
RIGHT-HAND 2ND END
DISK LOADING METHODSPRING
OPENING PRESSURE SETTING138.0 POUNDS PER SQUARE INCH


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