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:
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
VALVE OPERATION METHODAUTOMATIC
MATERIALALUMINUM ALLOY 6061 BODY
STEEL COMP 303 FLOW CONTROL DEVICE
SURFACE TREATMENTANODIZE
FLOW CONTROL DEVICEPOPPET
MAXIMUM OPERATING TEMP205.0 DEG CELSIUS SINGLE RESPONSE
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
UNTHREADED EXTERNAL HOSE 2ND END
CONNECTION STYLEFLARED (TUBE) 1ST END
BEADED (HOSE) 2ND END
SEAT ANGLE37.0 DEGREES 1ST END
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED0.250 INCHES 2ND END
THREAD SERIES DESIGNATORUN 1ST END
NOMINAL THREAD SIZE1.062 INCHES 1ST END
THREAD QUANTITY PER INCH12 1ST END
THREAD CLASS3A 1ST END
THREAD DIRECTIONRIGHT-HAND 1ST END
DISK LOADING METHODSPRING
ADJUSTABLE PRESSURE RANGE0.2 TO 0.5 POUNDS PER SQUARE INCH


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