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Product Overview

KD 21 Polyring

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The Polyring KD 21 adds liquid polymer to the sludge before the drainage takes place and is mainly used when the SS > 1%. The Polyring consists of a welded hollow profile with holes on the inside, and an injection nozzle attached in the direction of the flow.

The polymer is added through the holes as well as the injection nozzle. When the polymer is injected into the center of the sludge stream, a homogeneous distribution of the polymer is ensured.

The Polyring is placed in the piping with a flange connection.


Component Images


Max capacity 10 m3h 15 m3h 20 m3h 25 m3h 40 m3h 50 m3h 75 m3h
A DN50 DN65 DN80 DN100 DN125 DN150 DN200
B 106 mm 126 mm 142 mm 162 mm 192 mm 216 mm 272 mm
C 32 mm 40 mm 40 mm 44 mm 50 mm 50 mm 50 mm
D 1/2” RG 1/2” RG 3/4” RG 3/4” RG 1” RG 1” RG 1 1/4” RG
Type of steel   Stainless steel EN1.4301
Surface treatment   Dip-pickled

Other connections can be made upon request.