4820-00-289-4384 VALVE,SAFETY RELIEF Index 4820-00-289-4396 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-289-4389

Federal Supply Class:
4820

National Item Identification Number:
002894389

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:
633-2-886768TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT
633XB-2-8-209990PARKER-HANNIFIN CORPORATION
633XB-2-8-272352CURTISS-WRIGHT FLOW CONTROL CORPORATION
633XB2-8-286768TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT
HL11251PC2786768TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+10.0 TO 50.0 POUNDS PER SQUARE INCH+10.0 TO 50.0 POUNDS PER SQUARE INCH
BONNET TYPEINSIDE SPRINGINSIDE SPRING
BONNET ATTACHMENT METHODINTEGRALINTEGRAL
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
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDEPRESSURE TIGHT OUTLET SIDE
FLOW CONTROL DEVICEDISKDISK
MATERIALCOPPER ALLOY SEATCOPPER ALLOY BODY
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICECOPPER ALLOY SEAT
MAXIMUM OPERATING TEMP180.0 FAHRENHEIT SINGLE RESPONSE180.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES FIRST END
NOMINAL PIPE SIZE ACCOMMODATED0.375 INCHES SECOND END0.375 INCHES SECOND END
NOMINAL THREAD SIZE0.750 INCHES FIRST END0.750 INCHES FIRST END
NOMINAL THREAD SIZE0.375 INCHES SECOND END0.375 INCHES SECOND END
OPERATING PRESSURE450.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
SEAT ANGLE45.0 DEGREES FIRST END
VALVE OPERATION METHODAUTOMATICAUTOMATIC
STYLE DESIGNATORANGLE
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 INCH16 FIRST END16 FIRST END
THREAD QUANTITY PER INCH18 SECOND END18 SECOND END
THREAD SERIES DESIGNATORANPT SECOND END
THREAD SERIES DESIGNATORANPT SECOND ENDUNF FIRST END


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