Pictogram key

Murtfeldt chain and belt tensioning systems

The products described on the following pages have been developed to meet different requirements and diverse working environments.

The main material and availability properties are illustrated by the pictograms that appear next to each product.

Features and properties of tensioning systems

One pre-tensioned compression spring, tension distance specification in mm

Two pre-tensioned compression springs, tension distance specification in mm

Three pre-tensioned compression springs, tension distance specification in mm

Further adjustment possible: Adjustment range in mm once original tension distance has been used
(value for size 1 and size 2 if using fastening bracket)

Plastic housing

Steel housing

Track profile for all large chains

U profile for chains up to specified overall width in mm

Profile symbols for selection tables

Arc segemt profile

  • Slide profile shape with best mechanical properties
  • Simultaneous contact with several rollers
  • Optimum chain protection

 

Block profile

  • Suitable for particularly heavy chains and high mass forces
  • Slide profile and tension core made from a single piece
  • No screw connections
  • High stability
  • 300 mm slide profile ensures support for many rollers for chains with larger chain pitches

 

Return profile

  • Up to 180° change of direction
  • For controlling extensive chain lengthening

 

Semi-circular profile

  • For 90° change of direction
  • Contact with small number of chain wheels only
  • Recommended for small installation spaces

 

Roller/sprocket

  • For small changes of direction
  • For high chain speeds (> 1m/s)