Neotech Company Pvt. Ltd. Supplies Flexible Welding Smoke Exhaust Arms. Neotech Company Pvt. Ltd. Offers a range of inverter based welding equipments, welding consumables and systems, automatic & semi automatic systems for welding, Welding Robotics, Air Plasma Cutting equipments, etc. The Flexible Welding Smoke Exhaust Arms of 2 to 4 m consists of an interior self supporting parallelogram, and exhaust hood with damper. The exhaust arm can be brought into any position which can be kept without any additional support. The supporting frame is inside a highly flexible, wear resistant hose, diameter 150 mm. The exhaust hood is rotatable by 360 degrees. Even if the welder is positioned laterally or behind the exhaust arm, the exhaust hood can be brought into the optimal position-lengthwise to the welding joint.