Flexible waterproof casing pipe through the wall are generally applicable to the Department by vibration or water tight structures required, after the sleeve portion of the processing is completed, both in its outer wall paint brush again (including primer Zhang Dan or cold base oil) . Waterproof casing is divided into rigid waterproof casing and flexible waterproof casing. Both places are mainly used not as flexible waterproof casing is mainly used in high air defense walls, pools and other requirements of local, rigid waterproof casing pipe is generally used in basements and other places need to wear pipeline location. We usually refer to the DN represents the nominal diameter model is flexible waterproof casing installation, if you if you need to control the size of the product that is to wear an inner diameter of 100mm, 100mm inside diameter steel pipe in accordance with the provisions of the thickness of 4mm thick flexible waterproof casing offer Therefore, the tube outer diameter 108mm flexible waterproof casing size, and then into the waterproof casing wear inside, if the inner diameter of the gland under the circumstances for the 108mm pipe will be difficult to wear, so the inner diameter of the gland to be with than the tube diameter Large few millimeters, so the inner diameter of the gland is specified as 114mm. Flexible waterproof casing Quote | waterproof casing | Serco supply materials provided by Serco Gongyi City Water Supply Materials Co., Ltd. Serco Gongyi City Water Supply Materials Co., Ltd. (www.gyxjbcq.com/) strong, credible, in Zhengzhou, Henan Province of valve industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Serco water into the brilliant material and you work for a better future!