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Hot Wedge Welder

Admin - October 2, 2022 - 0 comments

Hot wedge welder is a portable tool used by engineers and technicians during dam liner installations to carry out dam liner welding or joining. The hot wedge welder is one of the best tools used in engineering as it is able to carry out joining of dam liners within the shortest time possible. Advantages of hot wedge welding machine include, uniformity in welding, clean and neat job, more work is completed within a short period of time, reduced cost of labour, and reduced welding error.

Hot wedge welding machine

How the hot wedge welder works

Hot wedge welder has heated metal wedge that is used to provide the required heat for melting the dam liners. During dam liner installation, this dam liner welding machine is carefully and accurately positioned at the joining point as the two dam liner sheets are pulled across the heated wedge. The machine has wheels which it then uses to move at determined speed. The machine can move at maximum speed of  0.5m-8m per minute. The temperature of the wedge is highly controlled and can range between 400°C to 500°C.

The weld is then placed under pressure from rollers. In some instances, pressure is applied by the technician himself, to form a smooth-seamed weld. Because pinch rollers are usually part of the welding machine, the dam liners can be joined together without a tracking table.

Hot wedge product specs

  • Voltage V~ 220-240
  • Frequency Hz 50 / 60
  • Power W 1,500
  • Welding speed 0.5m-8m per minute
  • Max overlapping width 120mm


The hot wedge welding machine is ideal for welding HDPE, LDPE and PVC dam liners of all thicknesses (0.3mm, 0.5mm, 0.75mm, 1.0mm, 1.5mm etc). The machine is also very ideal for large dam liner installations.

Hot wedge prices in Kenya

The price of hot wedge welder machine ranges between Kes. 150,000 to Kes. 270,000 depending on the type and model.

Where to buy Hot wedge welding in Kenya

Grekkon Limited. Apart from selling the machine, we have technicians who are will guide you on how to use it.

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