I need to know the name and make of a diverter that was to be fitted in the lines between a vacuum loader and two bins of resin. By setting two separate times (2 digit push wheels), the flow was cycled to draw from each bin in turn, enabling the material to be proportioned. The device was air operated, with a constrictive rubber sleeve in each line controlling the resin flow. I think it was made in Denmark. Any information would be greatly appreciated.
All the best Ian Macmillan