Abalone grid tube structure effective pore size of the number of sub-minimum hole size tolerances within the outer wall thickness of the wall thickness of the smallest abalone abalone 28 ± 0.5 1.6 2.0 33 (32) ± 0.5 1.8 2.2 1 grill pipe connections. When the linear connection, using a dedicated manufacturer directly. Commonly used to connect to knock into the law. 2. When connecting pipes and manhole telecommunications grid tubes, manhole brick exposed parts should be as short tube 50 cm grid tubes, do not put the tube after the cut-off levels, such as wearing the cable should do twice the processing, pipe protruding located in a brick wall Mortar full part. Grill pipe manufacturers _ _ Zigong grille tube provided by Xiong Xiong Wong Tai Wang Thai Plastic Products Factory. Xiong Wang Thai Plastic Products Factory (www.wangtai668.com) strong, credible, in Baoding UPVC pipe industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Taihe Wang Xiong you hand into the brilliant, for a better future!