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National Stock Number:
4820-00-784-6687
Federal Supply Class:
4820
National Item Identification Number:
007846687
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:
| 318400-1 | 80020 | NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2 | | 65-1006-7 | 02031 | ENTWISTLE CO THE VAN ZELM DIV | | 890513 | 0KDP7 | KIDDE-FENWAL, INC. | | 890513 | 96487 | VALCOR ENGINEERING CORPORATION |
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Techincal Specification:
| BONNET TYPE | PACKING RETAINING | | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END | | CONNECTION STYLE | FLARED (TUBE) 1ST END | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | POPPET | | MATERIAL | ALUMINUM ALLOY BODY | | MATERIAL | ALUMINUM ALLOY SEAT | | MAXIMUM OPERATING PRESSURE | 280.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 140.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES 1ST END | | NOMINAL THREAD SIZE | 0.437 INCHES 1ST END | | OPENING PRESSURE SETTING | 255.0 POUNDS PER SQUARE INCH | | SEAT ANGLE | 37.0 DEGREES 1ST END | | STYLE DESIGNATOR | STRAIGHT THRU | | THREAD CLASS | 3A 1ST END | | THREAD DIRECTION | RIGHT-HAND 1ST END | | THREAD SERIES DESIGNATOR | UNF 1ST END | | THREAD QUANTITY PER INCH | 20 1ST END | | VALVE DISCHARGE FLOW RATE | 28.0 CUBIC FEET PER MINUTE | | VALVE OPERATION METHOD | AUTOMATIC |
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