Preda Machine provides the fastest, most reliable and cost saving Automated Duct Systems
Available in operation in China and worldwide!
Our duct line 5 U type can manage coil to duct "L" sections averaging every 22 seconds
and a full wrap duct every 30 seconds.
The highest quality, most productive & cost efficient coil line (duct manufacturing) machines nowadays.

I. Main Features:
U-type duct line 5 structure requires smaller space, pretty much suitable for medium or small plant ductworks.
Pneumatic manipulators push plate in conjunction with combined lock forming machine, high speed and positioning more accurate.
Stepping out from traditional processing method, the lock former saves time greatly and significantly improve production efficiency.
Labor and time saver, high efficiency, a full piece of “口” shape duct can be finished in about 30 seconds
With production management functions: Day Count, Cumulative Count
Separate two kinds of input modes (touch screen and physical keyboard) ensure operation reliability greatly.
II. Main Stations on our duct line:
After inputting sizes you need on the screen of our duct line 5 U type, production line can automatically do the decoiling, leveling, beading, notching, Pittsburgh locks, Duplex TDF flange forming, shearing, folding square.
Leveling roller isΦ70 solid roller, made by 45# strengthened and tempering steel coated with hard chrome to ensure long time using and leveling effect and protect the metal sheet from scratch.
Beading roller isΦ100 solid roller, made by 45# strengthened and tempering steel coated with hard chrome to ensure long time using and beading effect and beautiful appearance.
Our duct line U shape 5 is equipped with hydraulic shearing station with blade made by 6CrWu2Si steel, ensures the cutting accuracy ±0.5mm without burr on the duct sheared.
III. Standard Accessories:
Grid feed with electric decoilers and cradles 4sets
Leveling station
Beading and grooving station
Notching station (Square notching, sharp notching)
Hydraulic shearing station
1# transfer platform
Pittsburgh edge lock forming station (combined angle platform)
2# transfer platform
Duplex TDF flange forming station
Servo hydraulic brake station
Duct Line 5 U shape Controller
IV. PLC Controller
Use Japan MITSUBISHI PLC controller, servo motor drives that control the whole production line. Accurate and accountable!

V. FAQ
1. How to get a accurate quotation from Preda Machine?
Provide the machine name you want, the specifications you need and the quantity of machine, we shall quote accordingly!
2. What’s the shipping cost from China to your country?
Please kindly tell us your nearest port to your place. We have reliable shipping forwarder to insure cheap, safe, convenient and timely delivery via sea.
3. Payment terms, MOQ, warranty, FOB.
Payment terms: 20% TT paid in advance, the balance of 80% before the shipment.
Minimum order quantity: 1 set of any machine of Preda Machine.
Delivery time : 5days after order confirmation. As a real manufacturer, we normally stock our machine in at least 1-3 sets including duct line 5, duct line 3,duct line 2! And at least 5sets each for TDF flange forming machine, Pittsburgh lock former, TDF folding machine, Pneumatic folder and etc…
Shipping terms : FOB, CFR, CIF and etc.. according to your requirements.
Warranty:24 months after our machines arriving at you.
4. What’s the package?
Fumigation-free plywood case for LCL and nude package for full container basis such as duct line 5, duct line 3, duct line 2...
5. What about commissioning service?
We can offer commissioning service, the buyer need to pay for all the transport, salary, hotel, meals for Preda Machine technicians caused during the service period.
6. What’s policy for guarantee and broken parts?
Warranty period of equipment is two years, during which the broken parts and spares caused by quality can be offered free. After guarantee period, all broken parts or easy wearing parts will be charged in a most competitive price ever in the market!