4820-00-393-4142 VALVE,CHECK Index 4820-00-393-4144 VALVE,FLOW CONTROL

National Stock Number:
4820-00-393-4143

Federal Supply Class:
4820

National Item Identification Number:
003934143

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:
620B-9-10-1109990PARKER-HANNIFIN CORPORATION
620B-9-10-1172352CURTISS-WRIGHT FLOW CONTROL CORPORATION
909711C255820RTX CORPORATION
620B9-10-1186768TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT


Techincal Specification:
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC
SURFACE TREATMENTPASSIVATE
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE3100.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE DISCHARGE FLOW RATE10.0 GALLONS PER MINUTE
CONNECTION TYPETHREADED INTERNAL BOSS 1ST END
CONNECTION STYLEGASKET SEAL(BOSS) 1ST END
THREAD SERIES DESIGNATORUNJF 1ST END
NOMINAL THREAD SIZE0.875 INCHES 1ST END
THREAD QUANTITY PER INCH14 1ST END
THREAD CLASS3B 1ST END
THREAD DIRECTIONRIGHT-HAND 1ST END
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODINTEGRAL
DISK LOADING METHODSPRING
ADJUSTABLE PRESSURE RANGE1200.0 TO 1300.0 POUNDS PER SQUARE INCH
FEATURES PROVIDEDBONNET PACKING AND
PRESSURE TIGHT OUTLET SIDE
THE MANUFACTURERS DATA
MANUFACTURERS CODE09990
DESIGN CONTROL REFERENCE620B-9-10-11


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