Filter Cage and Cooling Tower Screen Welding Machine The HW-AM1550K is a 1550mm screen mesh welding machine for industrial filter cages and cooling tower panels built for American HVAC, water treatment and industrial filtration equipment builders. It combines a rigid stress-relieved frame, a 140 kVA medium frequency DC welding transformer and a PLC touchscreen HMI, so a single operator can hold consistent nugget strength across a full shift. Why Buyers in the Americas Choose