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:
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC
MATERIALBRONZE BODY
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE100.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP425.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPEFLANGE 1ST END
FLANGE SHAPEROUND WITH HOLES 1ST END
NOMINAL OUTSIDE DIAMETER6.125 INCHES 1ST END
BOLT HOLE QUANTITY8 1ST END
BOLT HOLE NOMINAL DIAMETER0.562 INCHES 1ST END
BOLT CIRCLE NOMINAL DIAMETER5.500 INCHES 1ST END
FLANGE FACE DESIGNPLAIN 1ST END
DISK LOADING METHODSPRING
OPENING PRESSURE SETTING2.0 POUNDS PER SQUARE INCH
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE


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