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National Stock Number:
4820-00-287-4049
Federal Supply Class:
4820
National Item Identification Number:
002874049
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:
| A20675 | 15187 | EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP | | DD445S5103-118 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BOLT CIRCLE NOMINAL DIAMETER | 5.875 INCHES FIRST END | | BOLT CIRCLE NOMINAL DIAMETER | 7.125 INCHES SECOND END | | BOLT HOLE NOMINAL DIAMETER | 0.812 INCHES FIRST END | | BOLT HOLE NOMINAL DIAMETER | 0.812 INCHES SECOND END | | BOLT HOLE QUANTITY | 8 FIRST END | | BOLT HOLE QUANTITY | 9 SECOND END | | CONNECTION TYPE | FLANGE SECOND END | | CONNECTION TYPE | FLANGE FIRST END | | DISK LOADING METHOD | SPRING | | FEATURES PROVIDED | VALVE STEM LOCK SHIELD | | FLANGE FACE DESIGN | RAISED STRAIGHT FIRST END | | FLANGE FACE DESIGN | PLAIN SECOND END | | FLANGE SHAPE | ROUND WITH HOLES SECOND END | | FLANGE SHAPE | ROUND WITH HOLES FIRST END | | NOMINAL OUTSIDE DIAMETER | 7.500 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 8.688 INCHES SECOND END | | OPENING PRESSURE SETTING | 639.0 POUNDS PER SQUARE INCH | | SPECIAL FEATURES | W/LIFTING LEVER | | STYLE DESIGNATOR | ANGLE | | VALVE DISCHARGE FLOW RATE | 40500.0 POUNDS PER HOUR |
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