1.Diameter of hole in the supporting plate D1=d+0.1d(round off number) d refers to the outer diameter of cable,oil soft pipe and gas soft pope .
2.To detemine the chain plate height hg and Drag Chain Model TLXX according to the maximum diameter of hole in the supporting plate
3.To determine the typeof supporting plate and bending radius of Drag Chain according to the Drag Chain function demands,
4.When the Drag Chain need to bear greater pipe cable load the high-strength supporting plate I will be chose (block type)
5.The supporting plate ll should be chose when the dimension of pipe connector of the pipe cable is bigger than the diameter of hole in the supporting plate or need to be frequent dismantle and check
6.The supporting plate III can be chose (frame type) when there are varieties of pipe cables
7.To determine the supporting plate width B according to pipe cable installed numbers So as for the width of towline We shall add another towline chain plate if the width od chain plate is bigger than 650mm.
8.When the Drag Chain is used in special occasions, we can add protecting board
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