4820-00-090-0975 VALVE,SAFETY RELIEF Index 1560-00-090-0999 HANDWHEEL,RUDDER TRIM

National Stock Number:
4820-00-090-0979

Federal Supply Class:
4820

National Item Identification Number:
000900979

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:
631B-4-1/8-2709990PARKER-HANNIFIN CORPORATION
631B4-1/8-2786768TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+115.0 TO 250.0 POUNDS PER SQUARE INCH
BONNET ATTACHMENT METHODINTEGRAL
BONNET TYPEINSIDE SCREW
CONNECTION STYLEPLAIN (PIPE) 2ND END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) 1ST END
CONNECTION TYPETHREADED EXTERNAL PIPE 2ND END
CONNECTION TYPETHREADED INTERNAL PIPE 1ST END
DISK LOADING METHODSPRING
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
FLOW CONTROL DEVICEPOPPET
NOMINAL PIPE SIZE ACCOMMODATED0.125 INCHES 1ST END
NOMINAL PIPE SIZE ACCOMMODATED0.125 INCHES 2ND END
NOMINAL THREAD SIZE0.125 INCHES 1ST END
NOMINAL THREAD SIZE0.125 INCHES 2ND END
OPENING PRESSURE SETTING200.0 POUNDS PER SQUARE INCH
MATERIAL DOCUMENT AND CLASSIFICATIONAISI416 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIALCOPPER ALLOY BODY
MATERIALCOPPER ALLOY SEAT
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP180.0 DEG FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE3100.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDOIL, HYDRAULIC 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON 1ST RESPONSE
SPECIAL FEATURESTHE END CONNECTION IDENTIFIED AS THE SECOND END IS THE VALVE INLET
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD DIRECTIONRIGHT-HAND 2ND END
THREAD SERIES DESIGNATORANPT 1ST END
THREAD SERIES DESIGNATORANPT 2ND END
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORANGLE
SURFACE TREATMENTPASSIVATE


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