Duct Production Line When The Duct Connection

Air duct production line duct sealing is very important, many people use the duct, duct material, etc. have a certain understanding, but duct production duct connection is often overlooked issue.
1, because the duct machines manufacturers and construction are not in the same place, so in the production workshop duct production lines are semi-finished products. The semi-finished products in accordance with the first after a reasonable number, and then moved to the construction site to re-equipment.
2, in general, the duct between the duct production line are used to choose the joint angle of the mouth to carry out the method, so in the future use of the duct has an excellent seal.
3, for the connection between the branch and supervisor, the best choice for joint bite mouth or the opposite side with rivets with the head. It is best to use glass sealant at the joint to prevent air leakage.
4, for the flange forming machine between the flange and flange, it is best to use a special TFD flange angle, and then use the hammer to knock into the flange and then bolt connection.