Flexible waterproof casing is applied to pipe through the wall of the Department by vibration or water tight structures required hardware fittings waterproof casing, the general production enterprises are developed according to the Building Research design standard set manufacture. Flexible waterproof casing wall at the wall, in case of non-concrete should use concrete walls must be solidified in a casing wall; flexible waterproof casing facilities are widely used in construction, chemical, steel, water, sewage treatment and other units. Weight is also a certain length sleeves value flexible waterproof casing offer, we are here to calculate the length of the extension 100 and 100 weight shorten rigid waterproof casing manufacturers, how much, and then calculated according to the following formula, wing ring + 200mm pipe weight + X * 100mm weight, this is the rigid waterproof casing weight. We can streamline the formula again. 200 looks a rigid waterproof casing Single + X * 100mm weight. How to waterproof casing Quote | Serco supply material (certified) | waterproof casing Ltd. provided by Serco Gongyi City Water Supply Material. Serco Gongyi City Water Supply Materials Co., Ltd. (www.gyxjbcq.com/) is Zhengzhou, gate leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Serco leadership material in the water with the staff warmly welcome all inquiries negotiations to create Serco supply material a better future.