Pittsburgh Seam Closer is a great piece of equipment for jointing Pittsburgh lock and square edge, which greatly improve efficiency, is well seal, and smooth without any damage.
The hydraulic square pipe seam machine is professional for seaming square air ducts.It can greatly increase the production efficiency. Anybody can use it easily.
Our machine advantage:
1. We have produced this machine for more than 6 years
2. Compare with the hand square pipe seam machine, our machine can make more size. Hand square pipe seam machine just could make a 7mm edge.
3. Our machine has high quality.