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National Stock Number:
4520-01-512-7303
Federal Supply Class:
4520
National Item Identification Number:
015127303
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:
| 16815003 REV | 52249 | MESTEK, INC. | | 16815003-1 REV-PARTS LIST | 52249 | MESTEK, INC. | | 1685003-1 REV-PARTS LIST | 52249 | MESTEK, INC. | | MVC-2341 SIZE 40W X 20H | 52249 | MESTEK, INC. |
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Techincal Specification:
| OVERALL HEIGHT | 20.000 INCHES NOMINAL | | OVERALL WIDTH | 40.000 INCHES NOMINAL | | MATERIAL | STEEL AND STEEL CORROSION RESISTING | | PART NAME ASSIGNED BY CONTROLLING AGENCY | STANDARD DUTY AIR CONTROL DAMPER (MARINE) | | SPECIAL FEATURES | FRAME IS 3/16 IN. THICK CARBON STEEL; BLADES ARE 14 GA STAINLESS STEEL; AXLES ARE 1/2 IN. DIAM. 303 STAINLESS STEEL; BEARING SLEEVE IS OIL IMPREGNATED BRONZE; FINISH IS HOT DIPPED GALVANIZED ON CARBON STEEL; MAX. DIFF PRESSURE IS 12 IN. WG; MAX VELOCITY IS 3000 FPM |
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