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...control type * Normally open, the valve will close after the break-down of fuse when the temperature reaches high degrees , stop the smoke to extend along the air duct. * It can work as a volume control damp...
...control type * Normally open, the valve will close after the break-down of fuse when the temperature reaches high degrees , stop the smoke to extend along the air duct. * It can work as a volume control damp...
... Do not allow the furnace smoke is burning, because it is easy to burn the coal-throwing door, look at the fire door and curved pipe brick and so on. (2) If the fan vibration, should stop the inspection, gen...