... -C connection. Our factory the following products ( 1500W with DN 20, 25, 32, 40, 50, 63 ). The product has ... the conditions: the altitude does not exceed 1000 meters Humidity: -20°C -50 °C Relative humidity: 45%-95% Voltage range: ... 240V8.Welding Diameter:20-63mm Mold Technical Pipe size(mm)Heating Time(s)Melting Depth(mm)Cooling Time(s)2051432571633282044012214501822.556324246753026890403281105038.510 ...