4820-01-148-9380 VALVE,SAFETY RELIEF Index 4820-01-148-9383 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-148-9382

Federal Supply Class:
4820

National Item Identification Number:
011489382

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-40A NMP1173075954KUNKLE INDUSTRIES INC LONERGAN VALVE DIV
DA-40A NMP1173OPT-B 65T84PSI01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
DA-40A NMP1173OPT-B 65T84PSI75954KUNKLE INDUSTRIES INC LONERGAN VALVE DIV


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+65.0 TO 84.0 POUNDS PER SQUARE INCH
BOLT CIRCLE NOMINAL DIAMETER3.125 INCHES FIRST END
BOLT HOLE NOMINAL DIAMETER0.562 INCHES FIRST END
BOLT HOLE QUANTITY4 FIRST END
BONNET ATTACHMENT METHODUNION
BONNET TYPEINSIDE SPRING
CONNECTION TYPEFLANGE FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND END
CONNECTION STYLEINVERTED FLARE (TUBE) SECOND END
DISK LOADING METHODSPRING
FLANGE FACE DESIGNPLAIN FIRST END
FLANGE SHAPEROUND WITH HOLES FIRST END
FLOW CONTROL DEVICEDISK
OPERATING PRESSURE100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALCOPPER ALLOY BODY
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY SEAT
MATERIALNICKEL ALLOY STEM
MAXIMUM OPERATING TEMP425.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER4.250 INCHES FIRST END
NOMINAL THICKNESS0.438 INCHES FIRST END
NOMINAL THREAD SIZE2.159 INCHES SECOND END
SEAT ANGLE45.0 DEGREES SECOND END
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORANGLE
THREAD CLASS2A SECOND END
THREAD DIRECTIONRIGHT-HAND SECOND END
THREAD QUANTITY PER INCH11 SECOND END
THREAD SERIES DESIGNATORUNS SECOND END


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