Keje Thermoweld Equipments Pvt. Ltd. Manufactures Pneumatic Seam Welding Machine. Keje Thermoweld Equipments Pvt. Ltd. Also offers Machine Tools, Welding Supplies & Accessories, Presses & Accessories, Spot Welders, Projection Welders, Butt Welders, Stud Welders, and Bending Machinery etc. Pneumatic Seam Welding Machine has Thyristor controlled electronic timer with electronic heat control, to give heavy duty high speed operation, providing smooth and accurate adjustment of the welding current. Pneumatic Seam Welding Machine is available in 5 models TSM-50, TSM-75, TSM-100, TSM-150 and TSM-200. Pneumatic Seam Welding Machine gives leak proof joints at much lower costs than conventional welding.