4820-01-286-6396 VALVE,SAFETY RELIEF Index 4820-01-286-6398 VALVE,DIAPHRAGM,STOP

National Stock Number:
4820-01-286-6397

Federal Supply Class:
4820

National Item Identification Number:
012866397

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:
GV500ABJ1226512NORTHROP GRUMMAN SYSTEMS CORPORATION
L5231001178LOURDES INDUSTRIES, INC.


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+0.2 TO 0.5 POUNDS PER SQUARE INCH
CONNECTION STYLEBEADED (HOSE) SECOND END
CONNECTION STYLEFLARED (TUBE) FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPEUNTHREADED EXTERNAL HOSE SECOND END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
MATERIALALUMINUM ALLOY 6061 BODY
MATERIALSTEEL COMP 303 FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP205.0 CELSIUS SINGLE RESPONSE
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED0.250 INCHES SECOND END
NOMINAL THREAD SIZE1.062 INCHES FIRST END
SEAT ANGLE37.0 DEGREES FIRST END
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
SURFACE TREATMENTANODIZE LOCATION NOT OTHERWISE SPECIFIED
THREAD CLASS3A FIRST END
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD SERIES DESIGNATORUN FIRST END
THREAD QUANTITY PER INCH12 FIRST END


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