4820-01-262-2545 VALVE,SAFETY RELIEF Index 4820-01-262-2547 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-262-2546

Federal Supply Class:
4820

National Item Identification Number:
012622546

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:
DA-70A-SET450-NMP1188-3/8X3/4IN.01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
DA-70A-SET450-NMP1188-3/8X3/4IN.75954KUNKLE INDUSTRIES INC LONERGAN VALVE DIV
NMP11880PTI0N1-75954KUNKLE INDUSTRIES INC LONERGAN VALVE DIV


Techincal Specification:
CONNECTION STYLEPLAIN (TUBE) FIRST END
CONNECTION STYLESTREAMLINED WITH ONE BRAZING RING (TUBE) SECOND END
CONNECTION TYPEUNTHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPEUNTHREADED INTERNAL TUBE SECOND END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEDISK
OPERATING PRESSURE450.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALCOPPER ALLOY BODY
MATERIALSTEEL COMP 303 FLOW CONTROL DEVICE
MATERIALSTEEL COMP 303 SEAT
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.750 INCHES SECOND END
OPENING PRESSURE SETTING450.0 POUNDS PER SQUARE INCH
VALVE DISCHARGE FLOW RATE339.0 CUBIC FEET PER MINUTE
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORANGLE


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