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National Stock Number:
4820-01-119-0030
Federal Supply Class:
4820
National Item Identification Number:
011190030
Description:
VALVE,FIRE CHECK
Detail:
A VALVE WHICH WORKS ON A THERMOSTATIC PRINCIPLE TO STOP AND EXTINGUISH BACKFIRE IN GAS-AIR PIPELINES BY UTILIZING THE HEAT GENERATED BY THE FIRE TO ACTUATE THE MECHANISM WHICH CLOSES THE VALVE. IT ALSO CONTAINS A SWING CHECK ON THE INLET CONNECTION WHICH CLOSES IMMEDIATELY UPON SHOCK CAUSED BY BACKFIRE, SHUTTING OFF THE GAS-AIR MIXTURE. IT IS DESIGNED FOR INSTALLATION IN A PIPELINE TO FEED GAS-AIR MIXTURES TO BURNERS AND THE LIKE.
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Manufacturer Information:
| 11559509 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 11559509 | 6M364 | MACHINE PRODUCTS CO | | 11559509 | 8A932 | HUMBOLDT MACHINE SHOP, INC |
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Techincal Specification:
| MEDIA FOR WHICH DESIGNED | AIR |
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