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National Stock Number:
4820-00-855-6818
Federal Supply Class:
4820
National Item Identification Number:
008556818
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:
| 527 | 28193 | HENRY TECHNOLOGIES, INC. | | 527 | K3070 | HENRY TECHNOLOGIES LIMITED | | 527-450 | 28193 | HENRY TECHNOLOGIES, INC. | | 527E-450 | 28193 | HENRY TECHNOLOGIES, INC. | | 527 | U0095 | PARTS CENTER | | TQW12366-001 | U1F15 | BURNESS CORLETT - THREE QUAYS LIMITED T/A THREE QUAYS MARINE SERVICES |
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Techincal Specification:
| STYLE DESIGNATOR | ANGLE | | VALVE OPERATION METHOD | AUTOMATIC | | MATERIAL | COPPER ALLOY OVERALL | | FLOW CONTROL DEVICE | POPPET | | MAXIMUM OPERATING PRESSURE | 450.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 200.0 DEG FAHRENHEIT SINGLE RESPONSE | | VALVE DISCHARGE FLOW RATE | 24.6 POUNDS PER HOUR | | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END | | THREADED EXTERNAL PIPE 2ND END | | CONNECTION STYLE | FLARED (TUBE) 1ST END | | PLAIN (PIPE) 2ND END | | SEAT ANGLE | 37.0 DEGREES 1ST END | | NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES 2ND END | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.625 INCHES 1ST END | | THREAD SERIES DESIGNATOR | UNF 1ST END | | NPT 2ND END | | NOMINAL THREAD SIZE | 0.875 INCHES 1ST END | | 0.500 INCHES 2ND END | | THREAD CLASS | 3A 1ST END | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | BONNET TYPE | INSIDE SPRING | | BONNET ATTACHMENT METHOD | INTEGRAL | | DISK LOADING METHOD | SPRING | | OPENING PRESSURE SETTING | 300.0 POUNDS PER SQUARE INCH | | FEATURES PROVIDED | VALVE STEM LOCK SHIELD AND | | PRESSURE TIGHT OUTLET SIDE |
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