|
|
|
National Stock Number:
4520-01-297-0320
Federal Supply Class:
4520
National Item Identification Number:
012970320
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.
|
Manufacturer Information:
| CB57-16X30 | 8Z604 | PETER KALBY CO INC THE | | CBS7-16X30 | 8Z604 | PETER KALBY CO INC THE |
|
Techincal Specification:
| GENERAL CHARACTERISTICS ITEM DESCRIPTION | GALV STEEL CHANNEL AND DAMPER BLADES; HEAVY DUTY,COUNTERBALANCED; 16.000 IN. W X 30.000 IN. H SIZE |
|
|