Comifo Duct Manufacture Machine Co ltd

Comifo designed and produce fire damper auto lines since 2006. A fire damper frame auto line, fire damper blade auto

line, fastening table and other fabricating moulds and machines can achieve high production fire damper production.

Comifo developed the first PLC-controlled auto line for fire damper frame. It consists of decoiler, straightening, grooving, notching, roll forming machine as well as folding machine. It is suitable for different size damper manufacture. Maximumspeed is 13m/min. With this machine you can have a fully automatic damper workshop, which reduces the labor costgreatly.

The Fire damper frame manufacture auto line can fabricate two kinds of frames, newly designed hand fold integratedframe and TDF corner fastened frame. Two kinds of frames to be fabricated in one machine, reaching differentrequirements with no doubt.

Specifications of Lock Former:No adjustment for material 18-27ga (0.4-1.2mm)Arc welded steel stand, heavy top plateRoller material: GCr15Roller shaft material: Thermal refined 45#Transmission: V-beltControl: Normal electric controlMotor : 1.5KW, Speed: 26 FPM(9M/min)

RF-12DRThis 8-station lock former offers 6 forming positions, Pittsburgh and auxiliary double seam(ACME), right angle flange, drive cleat (size of 25mm) with slitter, as well as top mounted power flanger.

RF-08DRThis 6-station lock former offers 3 forming positions, including pittsburgh, right angle lock and power flanger. Customer can order another two sets of spare rollers for drive cleat (size of 16mm) or double seam(ACME) to replace the rollers of right angle lock without any difficulty.

RF-12MRF-12M is featured of S cleat rollers. It has pittsburgh, double seam (ACME), as well as drive cleat (size of 28mm).

RF-08S/RF-12S (BUTTON LOCK)Button Lock is the most popular lock former of HVAC workshop. The Button Lock roll former comes with "male" tooling on one side and "female" on the opposite side. A fast, effective way to rollform Male & Female Button Lock in one machine.

Model No.Thickness RangeRF-08S0.4-0.8mm (22-30ga)RF-12S0.8-1.2mm (18-22ga)

RF-08BSnap Lock is a special lock former designed for round/oval pipe.9-station machine which fabricate both male and female forms for reeves-type snap lock with thickness range of 22-31ga. Each lock is formed on flat sheets with no restriction on the diameter of the finished pipe. This type of lock is more air-tight with better seam.

RF-08D Standing S CleatIt forms a shape that combines a conventionalScleat with a standing seam for greater strength and rigidity with thickness of 22ga. This seam is adaptable in fabrication of large trunk or branch lines in industrial and commercial heating and ventilating units. The designed integrity and quality construction of its 12-station configuration will provide years of trouble-free operation.