4820-00-287-2464 VALVE,SAFETY RELIEF Index 4820-00-287-2474 VALVE,GLOBE,CYLINDER OPERATED

National Stock Number:
4820-00-287-2465

Federal Supply Class:
4820

National Item Identification Number:
002872465

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:
5S1281ALT4A80064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER5.500 INCHES FIRST END
BOLT HOLE NOMINAL DIAMETER0.562 INCHES FIRST END
BOLT HOLE QUANTITY8 FIRST END
CONNECTION TYPEFLANGE FIRST END
DISK LOADING METHODSPRING
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
FLANGE FACE DESIGNPLAIN FIRST END
FLANGE SHAPEROUND WITH HOLES FIRST END
FLOW CONTROL DEVICEPOPPET
OPERATING PRESSURE100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALBRONZE BODY
MAXIMUM OPERATING TEMP425.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER6.125 INCHES FIRST END
OPENING PRESSURE SETTING2.0 POUNDS PER SQUARE INCH
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORANGLE


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