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National Stock Number: 4820-01-340-4038
Federal Supply Class: 4820
National Item Identification Number: 013404038
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:
6668586 | 53711 | NAVAL SEA SYSTEMS COMMAND | 6668586 ITEM VR-3/4 | 53711 | NAVAL SEA SYSTEMS COMMAND | R6PH20 | 09990 | PARKER-HANNIFIN CORPORATION |
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Techincal Specification:
ADJUSTABLE PRESSURE RANGE | +150.0 TO 3000.0 POUNDS PER SQUARE INCH | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) ALL ENDS | CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS | OPENING PRESSURE SETTING | 1500.0 POUNDS PER SQUARE INCH | NOMINAL THREAD SIZE | 0.750 INCHES ALL ENDS | VALVE DISCHARGE FLOW RATE | 40.0 GALLONS PER MINUTE | VALVE OPERATION METHOD | AUTOMATIC | THREAD DIRECTION | RIGHT-HAND ALL ENDS | THREAD SERIES DESIGNATOR | NPT ALL ENDS |
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