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National Stock Number:
4820-01-252-0671
Federal Supply Class:
4820
National Item Identification Number:
012520671
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:
| 4872K2 | 39428 | MCMASTER-CARR SUPPLY CO | | 4872K201 | 39428 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| CONNECTION STYLE | PLAIN, OPTIONAL END (PIPE) ALL ENDS | | CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | POPPET | | OPERATING PRESSURE | 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE | | OPERATING PRESSURE | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE | | MATERIAL | COPPER ALLOY BODY | | MATERIAL | RUBBER SILICONE CLASS Q SEAT | | MAXIMUM OPERATING TEMP | 500.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | STEAM SECOND RESPONSE | | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS FIRST RESPONSE | | MOUNTING POSITION | HORIZONTAL OR VERTICAL | | NOMINAL THREAD SIZE | 0.250 INCHES ALL ENDS | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | CROSS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD SERIES DESIGNATOR | NPT ALL ENDS |
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