4820-01-225-6856 VALVE,SAFETY RELIEF Index 4820-01-225-6858 VALVE,BALL

National Stock Number:
4820-01-225-6857

Federal Supply Class:
4820

National Item Identification Number:
012256857

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:
2-464-186768TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT
2-464-1 641B-12-1/2-2 2-464-186768TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT
641B-12-1/2-209990PARKER-HANNIFIN CORPORATION
641B-12-1/2-2 272352CURTISS-WRIGHT FLOW CONTROL CORPORATION


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+2000.0/+3100.0 POUNDS PER SQUARE INCH
CONNECTION TYPETHREADED EXTERNAL PIPE 2ND END
CONNECTION TYPETHREADED INTERNAL PIPE 1ST END
CONNECTION STYLEPLAIN (PIPE) 2ND END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) 1ST END
FLOW CONTROL DEVICEPISTON
MATERIALSTEEL CORROSION RESISTING BODY
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD SIZE0.500 INCHES 2ND END
NOMINAL THREAD SIZE0.500 INCHES 1ST END
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORANGLE
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD DIRECTIONRIGHT-HAND 2ND END
THREAD SERIES DESIGNATORNPT 2ND END
THREAD SERIES DESIGNATORNPTF 1ST END


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