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National Stock Number:
4820-00-287-4050
Federal Supply Class:
4820
National Item Identification Number:
002874050
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.
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Manufacturer Information:
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Techincal Specification:
| STYLE DESIGNATOR | ANGLE | | MATERIAL | STEEL BODY | | STEEL SEAT | | STEEL CORROSION RESISTING STEM | | MEDIA FOR WHICH DESIGNED | STEAM SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | VALVE DISCHARGE FLOW RATE | 32000.0 POUNDS PER HOUR | | CONNECTION TYPE | FLANGE 1ST END | | FLANGE 2ND END | | FLANGE SHAPE | ROUND WITH HOLES 1ST END | | ROUND WITH HOLES 2ND END | | NOMINAL OUTSIDE DIAMETER | 8.250 INCHES 1ST END | | 9.000 INCHES 2ND END | | BOLT HOLE QUANTITY | 8 1ST END | | 8 2ND END | | BOLT HOLE NOMINAL DIAMETER | 0.875 INCHES 1ST END | | 0.750 INCHES 2ND END | | BOLT CIRCLE NOMINAL DIAMETER | 6.625 INCHES 1ST END | | 7.500 INCHES 2ND END | | FLANGE FACE DESIGN | RAISED STRAIGHT 1ST END | | PLAIN 2ND END | | DISK LOADING METHOD | SPRING | | OPENING PRESSURE SETTING | 444.0 POUNDS PER SQUARE INCH | | SPECIAL FEATURES | W/LIFTING LEVER |
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