RENSSI® CHAIN KNOCKERS

ftd solutions renssi product range

Chain knocker is a mechanically rotated tool for sewer cleaning and pipeline renovation. These tools cannot be used with hydraulic rotators.

Depending on the size of tool, it has one of three chains with solid carbide inserts brazed on the chain links.  Because of the inserts, rust and dirt can be cleaned from pipes effectively.

There are two different types of connections to the rotating wire.  The wire can be put through the tool and tightened using allen keys or it can be connected using t-slide connectors.

Threaded chain knockers WS-I-100-4

Renssi Collection includes threaded chain knocker tool, which has a UNC ½ thread. There are regular and cyclone models available. This tool is suitable for rotating machines and cables, which have a ½ UNC female end. Do you have a cleaning unit where’s ½ UNC female end? This tool is designed just for your gear.

Tool’s Identification – (WS-I)

Every tool has its own code, which is used when ordering. Threaded chain knockers are found under code WS-I and WC-I.

Pipe diameter Ø – (100)

Tools are designed to match the pipe size. Right size chain knocker cleans the pipe gently without harming the surfaces of the pipe.

Chain thickness – (4)

This code gives an information of the thickness of chain used in tool. 4 = 4mm 5 = 5mm (applies only Seweri Chain Knockers)

Sleeve chain knockers -

Renssi Collection includes a wide range of sleeve chain knockers. Tool sizes start from 30mm and ends up to 200mm. In addition to regular sleeve chain knockers, Renssi offers also tools with drill head feature and tools without carbide. What makes the sleeve chain knocker to a great cleaning tool? It’s very easy to attach to the cable because of the little screws in the tool and you can adjust the diameter of tool as well. Renssi is a top sleeve chain knocker manufacturer – we have received the US patent to our sleeve chain tools in the USA!

Tool identification – (RS) Every tool has its own code, which is used when ordering. Sleeve chain knockers are found under code RS and WS.

Cable size Ø – (1) 0 = 6mm 1 = 8mm 2 = 10mm 3 = 12mm

Pipe diameter Ø – (050) Tools are designed to match the pipe size. Right size chain knocker cleans the pipe gently without harming the surfaces of the pipe.

Feature of chain – (/2) Chain knockers have usually three chains but we have also few models with two chains and even with one chain. They are marked up with /2 or /1–codes.

Chain thickness – (4)This code gives an information of the thickness of chain used in tool.

4 = 4mm 5 = 5mm (applies only Seweri Chain Knockers)
 

Information of tool- (DR) DR stands for drill head feature. You can open up for example a lateral connection with it.

DR40 stands for DR40 drill head feature.
NC stands for a chain tool which has no carbide. These tools are designed for more gentle cleaning.

Cyclone chain knockers WC-1050-4 Chain knockers with securing ring

Renssi’s Seweri Collection includes cyclone chain tools. These tools have a wide size range and their cleaning power is suitable for even larger pipes. Cyclone chain tools are available with sleeve and t-slide connectors and with no carbide bits feature. Without carbide bits, the cleaning power comes from carbide coating. Sleeve cyclone chain tools come with a SR securing ring, which ensures tool’s tight hold on the cable. It’s effective and there’s no place for errors in adjustments. 

Tool identification – (WC) Each of our products has an identifier that makes it easy to identify tools when ordering. WC Tag indicates that the product is a cyclone chain knocker.

Cable size Ø – (1) 0 = 6mm 1 = 8mm 2 = 10mm 3 = 12mm

Pipe diameter Ø – (050) The tools are designed to fit the tube size. The right size chain knocker cleans the pipe surface without damaging it.

Chain thickness – (4) 4 = 4mm chain and 5 = 5mm chain (applies only for Seweri chain knockers)

Cyclone chian knockers for pvc pipes

WCNT Cyclone chain knockers  come with SR securing ring.

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