The Single lock forming machine is mainly used in the production of round ducts and is one of the most basic production equipment to make different shapes for HVAC.

The single lock forming machine can make 2 kinds of different duct shapes for round duct seaming. The different shapes can be formed from both sides. All shapes will be formed through the special rollers. All rollers are made of high-quality materials, and after a special process, the hardness and strength are increased, and the use time is increased.

Single lock fomring machine has SA-15C type.