oil tank welding machine Wall thickness:2+2mm welding speed: ... pressure:7690N Air pressure:0.5MPa We supply seam welder,flanging machine,automatic folding machine, automatic rolling machine,etc ... products are widely used in aviation and space,oil tank,pressure vessel,checmical,water heater,stainless steel product and ... natural status)M3/H2.5Cooling water consumptionL/H1300WeightKG3000 Seam Welder