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National Stock Number:
4820-00-289-3818
Federal Supply Class:
4820
National Item Identification Number:
002893818
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:
| 20313A51M | 34496 | BROWN AND PERKINS, INC. | | ARS48-0333 ITEM 36 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | S6088AMITEM36 | 38056 | ASHCROFT INC | | ARSS48-0333ITEM36 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| MATERIAL | COPPER ALLOY STEM | | MATERIAL | NICKEL ALLOY SEAT | | MAXIMUM OPERATING PRESSURE | 100.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 425.0 DEG FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | STEAM SINGLE RESPONSE | | SPECIAL FEATURES | W/LIFTING LEVER | | THREAD DIRECTION | RIGHT-HAND 2ND END | | THREAD SERIES DESIGNATOR | NPT 2ND END | | STYLE DESIGNATOR | ANGLE | | DISK LOADING METHOD | SPRING | | ADJUSTABLE PRESSURE RANGE | +4.0 TO 9.0 POUNDS PER SQUARE INCH | | BOLT CIRCLE NOMINAL DIAMETER | 3.125 INCHES 1ST END | | BOLT HOLE NOMINAL DIAMETER | 0.562 INCHES 1ST END | | BOLT HOLE QUANTITY | 4 1ST END | | CONNECTION TYPE | FLANGE 1ST END | | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) 2ND END | | CONNECTION TYPE | THREADED INTERNAL PIPE 2ND END | | FLANGE FACE DESIGN | PLAIN 1ST END | | FLANGE SHAPE | ROUND WITH HOLES 1ST END | | NOMINAL OUTSIDE DIAMETER | 4.250 INCHES 1ST END | | NOMINAL THREAD SIZE | 1.000 INCHES 2ND END | | MATERIAL | COPPER ALLOY BODY |
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