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National Stock Number:
4520-00-289-5627
Federal Supply Class:
4520
National Item Identification Number:
002895627
Description:
DRAFT CONTROL,FLUE,AUTOMATIC
Detail:
AN ITEM CONSISTING OF A METAL FRAME IN WHICH IS INSERTED A FLAT METAL PLATE MOUNTED ON A SHAFT. THE PLATE, FLUCTUATING AUTOMATICALLY ACCORDING TO CHANGES IN ATMOSPHERIC PRESSURE, CONTROLS THE STACK OR FLUE DRAFT AND MAINTAINS AN ABSOLUTE CONSTANCY OF DRAFT REGARDLESS OF VARYING WEATHER CONDITIONS.
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Manufacturer Information:
| PFD10-12 | 13933 | CONKEY H D AND CO | | PFD10-12 | 70766 | BELKNAP INC |
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Techincal Specification:
| GENERAL CHARACTERISTICS ITEM DESCRIPTION | COMPONENTS 1 EA FLUTTER GATE,HINGE PIN,ADJ SCREW,BAL WT AND FLOATER; DESIGNED FOR INSTALLATION IN RD PIPE,10 TO 13 IN; DIA OF PIPE FOR WHICH DESIGNED |
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