4820-00-452-2253 VALVE,PLUG Index 4730-00-452-2258 BUSHING,PIPE

National Stock Number:
4820-00-452-2254

Federal Supply Class:
4820

National Item Identification Number:
004522254

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:
510225-280020NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2
8-2167-486768TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+1500.0 TO 2750.0 POUNDS PER SQUARE INCH
BONNET TYPEPACKING RETAINING
CONNECTION TYPETHREADED EXTERNAL PIPE 2ND END
CONNECTION TYPETHREADED INTERNAL PIPE 1ST END
CONNECTION STYLEPLAIN (PIPE) 2ND END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) 1ST END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
MATERIALCOPPER ALLOY AND STEEL CORROSION RESISTING BODY
MATERIALCOPPER ALLOY AND STEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIALCOPPER ALLOY AND STEEL CORROSION RESISTING SEAT
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES 1ST END
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES 2ND END
NOMINAL THREAD SIZE0.250 INCHES 2ND END
NOMINAL THREAD SIZE0.250 INCHES 1ST END
OPENING PRESSURE SETTING2600.0 POUNDS PER SQUARE INCH
STYLE DESIGNATORANGLE
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD DIRECTIONRIGHT-HAND 2ND END
THREAD SERIES DESIGNATORNPT 1ST END
THREAD SERIES DESIGNATORNPT 2ND END
THREAD QUANTITY PER INCH18 1ST END
THREAD QUANTITY PER INCH18 2ND END
VALVE OPERATION METHODAUTOMATIC


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