4720-00-406-6662 HOSE,AIR DUCT Index 4310-00-406-6664 RING SET,PISTON

National Stock Number:
4820-00-406-6663

Federal Supply Class:
4820

National Item Identification Number:
004066663

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:
628XB-1-6-209990PARKER-HANNIFIN CORPORATION
628XB1-6-286768TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+4.0 TO 15.0 POUNDS PER SQUARE INCH+4.0 TO 15.0 POUNDS PER SQUARE INCH
CONNECTION STYLEFLARED (TUBE) FIRST ENDFLARED (TUBE) FIRST END
CONNECTION STYLEPLAIN (PIPE) SECOND ENDPLAIN (PIPE) SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND ENDTHREADED EXTERNAL PIPE SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST ENDTHREADED EXTERNAL TUBE FIRST END
DISK LOADING METHODSPRINGSPRING
FLOW CONTROL DEVICEPOPPETPOPPET
OPERATING PRESSURE15.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE SEATALUMINUM ALLOY BODY
MATERIALSTEEL COMP 316 FLOW CONTROL DEVICEPLASTIC POLYTETRAFLUOROETHYLENE SEAT
MATERIALSTEEL COMP 316 FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP225.0 FAHRENHEIT SINGLE RESPONSE225.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES FIRST END
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES SECOND END0.250 INCHES SECOND END
NOMINAL THREAD SIZE0.562 INCHES FIRST END0.562 INCHES FIRST END
NOMINAL THREAD SIZE0.250 INCHES SECOND END0.250 INCHES SECOND END
SEAT ANGLE45.0 DEGREES FIRST END
VALVE OPERATION METHODAUTOMATICAUTOMATIC
STYLE DESIGNATORANGLE
SURFACE TREATMENTANODIZE LOCATION NOT OTHERWISE SPECIFIED
THREAD CLASS3A FIRST END3A FIRST END
THREAD DIRECTIONRIGHT-HAND FIRST ENDRIGHT-HAND FIRST END
THREAD DIRECTIONRIGHT-HAND SECOND ENDRIGHT-HAND SECOND END
THREAD QUANTITY PER INCH18 FIRST END18 FIRST END
THREAD SERIES DESIGNATORANPT SECOND ENDUNF FIRST END
THREAD SERIES DESIGNATORANPT SECOND END


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