Welding machine for non-paired adapter, manual adjustment (SM21), electronics adjustment (SE21) The most favourite welding machine developed by FV-Plast, a.s., especially the model SM21 with direct control. Offered also as a set with a case.
The firmness of the joint is infl uenced by dirt and humidity. The inner surface of the fi tting sleeves and the outer ends intended for welding must therefore be cleaned and degreased with a suitable cleaning towel. You also need to be careful about residual water in the repaired pipes. They need to be wiped dry at the welding point.