The valve assembly for 5, 6 and 7 levers is a fully cast block with a low weight, while the 8 lever assembly consists of sections and is heavier. 5 functions can be used if the crane does not have extension. 6 functions are needed if there is one. Add support legs, and 7 functions are needed. 8 functions are needed if the crane is equipped with extension. The illustration shows the valve assembly, 7 levers.
8-lever Art nr. 100806
7-lever Art. nr. 100802
5-lever Art nr. 100800