Cable Trays Drag Chain Packaging & Delivery The use of the tow chain 1, suitable for use in the reciprocating movement of the occasion, can play a role in the traction and protection of the built-in cable, oil pipe, gas pipe, water pipe, etc. 2, each section of the drag chain can be opened for easy installation and maintenance. Low noise, wear resistance, high speed movement. 3, the tow chain has been widely used in electronic equipment, fire machinery equipment, stone machinery, glass machinery, door and window machinery, robot, overweight transportation equipment, automated warehouse and so on. Tow chain selection principle 1, according to the maximum aperture of the support plate Dma to determine the height of the chain plate hg and drag chain model. 2, the support plate cavity aperture D1=d+ is equal to about 0.1d (take an integer). Where d= outer diameter of wire, cable, liquid and gas hose. 3, according to the functional…