... 4.Payment terms:T/T,Western Union,Paypal,Escrow Hor air welding gun LST1600A is double insulated,safe,reliable,steplessly adjustable and constant ... ,Normally it is used with geomembrane welding machines and handheld extrusion.1.Basic parameter: Item no.: LST1600A Voltage: 230V Frequency: 50/60HZ ...