4820-01-220-6602 VALVE,SAFETY RELIEF Index 4820-01-220-6604 VALVE,BUTTERFLY

National Stock Number:
4820-01-220-6603

Federal Supply Class:
4820

National Item Identification Number:
012206603

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-13-4-209990PARKER-HANNIFIN CORPORATION
620B-13-4-286768TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL TUBE 2ND END
CONNECTION TYPETHREADED INTERNAL TUBE 1ST END
CONNECTION STYLEFLARE(TUBE) 1ST END
CONNECTION STYLEFLARED (TUBE) 2ND END
FLOW CONTROL DEVICEPOPPET
MATERIALALUMINUM ALLOY BODY
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE SEAT
MATERIALSTEEL COMP 416 FLOW CONTROL DEVICE
MAXIMUM OPERATING PRESSURE3600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP225.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON 2ND RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.125 INCHES 1ST END
NOMINAL THREAD SIZE0.125 INCHES 1ST END
NOMINAL THREAD SIZE0.125 INCHES 2ND END
OPENING PRESSURE SETTING3200.0 POUNDS PER SQUARE INCH
SEAT ANGLE37.0 DEGREES 2ND END
STYLE DESIGNATORANGLE
THREAD CLASS2A 2ND END
THREAD CLASS2B 1ST END
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD DIRECTIONRIGHT-HAND 2ND END
THREAD SERIES DESIGNATORUNF 1ST END
THREAD SERIES DESIGNATORUNF 2ND END
VALVE OPERATION METHODAUTOMATIC


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