4) The distance of the road pylons depending on
distance glasses hanging tube holder
(mm) (m) (Company suspended, brace tube)
25-40 1 M6, 30x0.5
34-60 1.2 to 1, 5 M6, 30x0.5
pipe passes through walls or floors are coated with a layer of PVC pipe, the gap between the pipe and steel tubes are sealed with protective insulation.
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