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 1ST END
BOLT HOLE NOMINAL DIAMETER0.562 INCHES 1ST END
BOLT HOLE QUANTITY4 1ST END
BONNET ATTACHMENT METHODUNION
BONNET TYPEINSIDE SPRING
CONNECTION TYPEFLANGE 1ST END
CONNECTION TYPETHREADED EXTERNAL TUBE 2ND END
CONNECTION STYLEINVERTED FLARE (TUBE) 2ND END
DISK LOADING METHODSPRING
FLANGE FACE DESIGNPLAIN 1ST END
FLANGE SHAPEROUND WITH HOLES 1ST END
FLOW CONTROL DEVICEDISK
MATERIALCOPPER ALLOY BODY
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY SEAT
MATERIALNICKEL ALLOY STEM
MAXIMUM OPERATING TEMP425.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE100.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER4.250 INCHES 1ST END
NOMINAL THICKNESS0.438 INCHES 1ST END
NOMINAL THREAD SIZE2.159 INCHES 2ND END
SEAT ANGLE45.0 DEGREES 2ND END
STYLE DESIGNATORANGLE
THREAD CLASS2A 2ND END
THREAD DIRECTIONRIGHT-HAND 2ND END
THREAD QUANTITY PER INCH11 2ND END
THREAD SERIES DESIGNATORUNS 2ND END
VALVE OPERATION METHODAUTOMATIC


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