Stainless Steel Teapot Sieve Spot Welder , Pneumatic Spot Welding Machine SPECIFICATION Model Input Voltage Input Power Output Current Pressurization Electrode Stroke Closure Platform Distance Electrode Distance Cooling Water V KVA A kg mm mm mm mm Lit/Min WL-SD-50K 380/1 50 19500 500 80 - - - 6 Description Multiple times of continuous discharging Be able to finish welding at one time Firm joint No black coating after welding, no oxidation Low cost No need of subsidiary