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National Stock Number:
4820-01-433-1308
Federal Supply Class:
4820
National Item Identification Number:
014331308
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:
| 0642-1/2IN | 21368 | FAIRBANKS CO THE | | 0642-1/2IN | 51949 | ZIDELL VALVE CORP | | FIG-0642-1/2IN | 21368 | FAIRBANKS CO THE |
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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 464 FLOW CONTROL DEVICE | | MATERIAL | COPPER ALLOY 922 BODY | | MEDIA FOR WHICH DESIGNED | STEAM FIRST RESPONSE | | MEDIA FOR WHICH DESIGNED | WATER, FRESH SECOND RESPONSE | | MOUNTING POSITION | HORIZONTAL OR VERTICAL | | NOMINAL THREAD SIZE | 0.500 INCHES ALL ENDS | | OPERATING PRESSURE | 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE | | OPERATING PRESSURE | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST 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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