On each side of a packer are three wheels attached at an angle of 120° to ensure stability and prevent tipping oven while moved along the pipe. All installed non rubber parts are resistant to corrosion.

Packers are highly flexible and can be inserted at an angle. They cover pipe diameters from 100 mm up to 1200 mm. Effective packer length is from 600 mm up to 4500 mm.

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