4820-01-227-1010 VALVE,SAFETY RELIEF Index 4820-01-227-1012 VALVE,SAFETYRELIEF

National Stock Number:
4820-01-227-1011

Federal Supply Class:
4820

National Item Identification Number:
012271011

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:
646B-2-3/8-5209990PARKER-HANNIFIN CORPORATION
646B-2-3/8-5286768TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT
646B-2-3/8-52CP486768TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT


Techincal Specification:
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC
MATERIALSTEEL COMP 303 BODY
STEEL COMP 303 FLOW CONTROL DEVICE
RUBBER SYNTHETIC SEAT
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
HYDRAULIC FLUID, MINERAL BASE 2ND RESPONSE
MAXIMUM OPERATING PRESSURE3600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP225.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPETHREADED INTERNAL PIPE 1ST END
THREADED EXTERNAL PIPE 2ND END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) 1ST END
PLAIN (PIPE) 2ND END
THREAD SERIES DESIGNATORNPT ALL ENDS
NOMINAL THREAD SIZE0.375 INCHES ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
BONNET TYPEINSIDE SCREW
BONNET ATTACHMENT METHODTHREADED
ADJUSTABLE PRESSURE RANGE10.0 TO 50.0 POUNDS PER SQUARE INCH


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