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National Stock Number:
4820-01-381-4458
Federal Supply Class:
4820
National Item Identification Number:
013814458
Description:
VALVE,CHECK
Detail:
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
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Manufacturer Information:
| 578-3/4IN | 48422 | WILLIAM POWELL COMPANY THE DBA POWELL VALVE DIV THE STARFLO CORPORATION |
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Techincal Specification:
| CONNECTION STYLE | PLAIN, OPTIONAL END (PIPE) ALL ENDS | | CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS | | FLOW CONTROL DEVICE | DISK | | MATERIAL | COPPER ALLOY 836 FLOW CONTROL DEVICE | | MATERIAL | COPPER ALLOY 836 BODY | | MEDIA FOR WHICH DESIGNED | STEAM FIRST RESPONSE | | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SECOND RESPONSE | | MOUNTING POSITION | HORIZONTAL | | NOMINAL THREAD SIZE | 0.750 INCHES ALL ENDS | | OPERATING PRESSURE | 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE | | OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | STRAIGHT THRU | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD SERIES DESIGNATOR | NPT ALL ENDS |
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