7L water cooler for welding machine is with 370W S/S pump and has good cooling system. Suitable for Tig,Mig,Plasma welding Product ... structural mapConnect sketch mapCooling capacity graph The 350A argon weld machine is in the 30 degrees temperature environment, it have 8m ... ,outlet and the wall.We also have a big capacity water cooler for welding machine model, such as MD-1121, which 17 liter.