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There are mainly two kinds of flange systems of duct connection. American standard and European standard, which is TDF flange recommended by SMACNA association and TTF/LT mate fla02nge as well as improved GDF flange recommended by British Refrigeration Association. Comifo knows flange structure very well, and quite familiar with the standards of duct pressure test and leakage test, including SMACNA, DW144/142, GB50243-97 standards. We are one of the most professional flange machine manufacturers in China. Comifo tdf flange forming machine can satisfy different requirements in different markets.


Comifo flange machine adopts heavy duty underpan, arc welding frame, high grade motor, high precision bearing, thermal refined and grinded roll shafts. Its reliable transmission system is free of maintenance. The surface panels have been spray painted.


The air duct flange machine has independent hydraulic system and electrical control system, which has the advantages of small size, low energy consumption, high efficiency, no noise, etc. In addition, it is easy to install and unload, simple to operate, strong carrying capacity, long life, etc. The air duct flange machine must be put in a dry place, can’t let the rain or other impurities into the machine, used for a period of time to add the lubricating oil, make the machine more convenient operation, want to be in a specific time to check the nut in the fuselage, because in the use process is too long will cause the nut loose, so be sure to check regularly, to ensure safety in production, in a certain time for cleaning, make the machine to enhance vitality. Because the duct flange machine needs to work all the time, if you pay attention to maintenance, the efficiency will be reduced and the life will be reduced. The followings are the precautions for the daily maintenance of the duct flange machine.


  1. If it is found that there are irregular noises during operation, stop the machine immediately.
  2. Test the motion after turning on the power to see if there is any jam.
  3. Operate the machine according to the rules strictly.
  4. Working cooperatively is required to each operator. Operation cannot start if the commands are not received.


COMIFO Group specializes in air duct machine manufacturing, contracting and selling HVAC air conditioning equipments, HVAC machinery, valve and actuators,air duct machine,ductwork machine. RFQ today!


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