The VACUUM BELL is used for testing the tightness of overlap welding seams and application seams. The needed vacuum is ideally generated by Leister’s VACUUM PUMP.
The WELDPLAST S2 TPO is a compact, ergonomically designed workhorse. The handy-sized extrusion welder puts out two kg / 4.4 lbs. of extrudate per hour and can even weld TPO materials without difficulty.