This SIP 25KVA Pneumatic Welder can be operated by control through a foot pedal and electronic controller, which features a 5 step welding sequence and an easy interface. 400v (50amp), 1 phase supply 4.8 bar compressed air pressure 340mm to 480mm standard arm length 200mm distance between the two arms 204kgF @ 340mm max. electrode force 140kgF @ 450mm max. electrode force 50KVA max. weld power (25KVA @ 25%) 5+5mm (mild steel plate), 20+20mm (bar) Adjustable tip pressure and throat depth The unit is fitted water cooling hoses Foot pedal control