VAV double drag link chain

The double drag link chains supplied by VAV consists of a combination of inner and outer links. The bush/pin connection between the links is a circlip, splitpin, or revited version.

The steel scrapers can be either bent or welded. It is also possible to attach plastic flights. The following table shows the standard Bechtel double drag link chains, stock.

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VAV double drag link chain (parameters in mm) availebale from stock

Pitch Inner width Bush/pin Ø  Plates Breaking load in kN
    b1  d1/d2 h x s p
80 22 **18/12 30 x 4 63
80 25 20/14 35 x 5 90
80 25 *20/14 35 x 6 110
80 25 *20/14 35 x 8 110
80 30 22/16 40 x 6 112 
80 35 30/20 50 x 8 180 
100 22 18/12 30 x 4 63
100 25 20/14 35 x 5 90
125 25 20/14 35 x 5 90
125 30 22/16 40 x 6 112
125 32 **21/15 40 x 6 112
125 30 26/18 45 x 6 140
125 35 26/18 45 x 6 140
125 30 30/20 50 x 8 180
125 45 30/20 50 x 8 180
150 30 22/16 50 x 6 112
150 52 25/18 50 x 6 140
150 45 30/20 50 x 8 180
150 55 36/26 50 x 8 250
160 30 30/20 50 x 8 180
160 37 **25/18 50 x 7 160
160 45 30/20 50 x 8 180
160 55 36/26 60 x 10 250

* Splitpin execution 

** Revited execution

 

    ​    
Circlips Split pins Circlip - revited Split pin - head pin

 

Pins

Pins are available various executions and in materials:

16MnCr5, 42CrMo4i, 1.4034i, 1.4122i, 1.4462, 1.4713. Other materials on request.


Examples of double drag link chain with scrapers
 

 
With plastic scrapers T-shape welded