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:
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC
MATERIALCOPPER ALLOY BODY
STEEL CORROSION RESISTING FLOW CONTROL DEVICE
COPPER ALLOY SEAT
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE450.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP180.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
THREADED EXTERNAL PIPE 2ND END
CONNECTION STYLEFLARED (TUBE) 1ST END
PLAIN (PIPE) 2ND END
SEAT ANGLE45.0 DEGREES 1ST END
NOMINAL PIPE SIZE ACCOMMODATED0.375 INCHES 2ND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES 1ST END
THREAD SERIES DESIGNATORUNF 1ST END
ANPT 2ND END
NOMINAL THREAD SIZE0.750 INCHES 1ST END
0.375 INCHES 2ND END
THREAD QUANTITY PER INCH16 1ST END
18 2ND END
THREAD CLASS3A 1ST END
THREAD DIRECTIONRIGHT-HAND 1ST END
RIGHT-HAND 2ND END
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODINTEGRAL
DISK LOADING METHODSPRING
ADJUSTABLE PRESSURE RANGE10.0 TO 50.0 POUNDS PER SQUARE INCH
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE


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