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National Stock Number:
4820-00-287-2462
Federal Supply Class:
4820
National Item Identification Number:
002872462
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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Techincal Specification:
| BOLT CIRCLE NOMINAL DIAMETER | 3.937 INCHES 1ST END | | BOLT HOLE NOMINAL DIAMETER | 0.562 INCHES 1ST END | | BOLT HOLE QUANTITY | 6 1ST END | | CONNECTION TYPE | FLANGE 1ST END | | DISK LOADING METHOD | SPRING | | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE | | FLANGE FACE DESIGN | PLAIN 1ST END | | FLANGE SHAPE | ROUND WITH HOLES 1ST END | | FLOW CONTROL DEVICE | POPPET | | MATERIAL | BRONZE BODY | | MATERIAL | BRONZE SEAT | | MATERIAL | COPPER ALLOY STEM | | MAXIMUM OPERATING TEMP | 425.0 FAHRENHEIT SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 100.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | STEAM SINGLE RESPONSE | | NOMINAL OUTSIDE DIAMETER | 5.062 INCHES 1ST END | | NOMINAL THICKNESS | 0.437 INCHES 1ST END | | OPENING PRESSURE SETTING | 2.0 POUNDS PER SQUARE INCH | | SPECIAL FEATURES | 2 END CONNECTIONS; SECOND END RELATIONSHIP W/ FIRST END: IDENTICAL | | STYLE DESIGNATOR | ANGLE | | VALVE OPERATION METHOD | AUTOMATIC |
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