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Product Overview

KD 02 Shaftless Screw Conveyors

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Shaftless screw conveyors model KD 02 are available in four sizes with capacities from 5 to 20 m3 per hour. The conveyors are especially suited for products with a tendency towards tackiness and bridgebuilding e.g. sludge, damp sand and materials with heterogeneous grain sizes.

Can also be used to transport other materials such as wood chips to the stoker, or applesauce.

The conveyors are of robust and simple construction which means limited maintenance and low running costs. The conveyors are constructed in stainless steel and after machining completely pickled. Thus, an optimal durability of material is ensured.

Transportation takes place by a shaftless screw conveyors which is embedded in a wearing plate of plastic material. The screw is made of high-strength carbon steel with a stainless steel screw available as an option.

Component Images


Type KD 02-200 KD 02-260 KD 02-320 KD 02-355 KD 02-420 KD 02-500
Screw dia. (mm) Ø160 Ø220 Ø280 Ø315 Ø380 Ø460
Pitch (mm) 165 220 280 315 380 460
Single spiral (mm) 40 x 15 50 x 20 60 x 20 60 x 20 60 x 25 80 x 25
Double spiral (mm) 40 x 15
20 x 10
50 x 20
30 x 10
60 x 20
40 x 10
60 x 20
40 x 10
60 x 25
40 x 15
80 x 25
50 x 15
Please see diagram for sludge capacity*
Steelgrade, trough EN 1.4301, dip-pickled
Steelgrade, screw St. 52.3 (stainless is optional)
Gearfabrikat Nord Gear
Motorfabrikat Nord Gear
Slidplade PEHD (alternatively PP)
Please see diagram for sludge capacity*

* A detailed calculation of capacity, speed and power is being made in each specific case. Low speed is given high priority because this will enhance product life time, reduce operating costs and reduce noise level.