Whether rigid or flexible waterproof casing is waterproof casing for the pipeline through tight by vibration or water requirements of building walls hardware accessories, commonly used in construction, chemical, steel, water, sewage treatment and other units. Rigid waterproof casing and flexible waterproof casing most intuitive different appearance is a different price Henan compensation, flexible waterproof casing internal rubber seal ring, such as is used in the pool wall to prevent leakage. They are not the same installation length, standard length of the flexible sleeve is the standard length of 300mm and 200mm rigid sleeve is Henan compensation, but they have one thing in common is that the construction can be arbitrarily shortened or lengthened. Pipes rust, paint waterproof casing ends should be closed after Henan compensator manufacturers, transportation and lifting process to prevent the destruction of the pipe coating manufacturers address Henan compensation should take protective measures. Why waterproof casing to be sealed during installation it? Rigid waterproof casing seal canceled ring ring ring greatly reduce vibration or shock due to the pump by moving the transmission shaft seal ring caused by the earthquake caused so much influence from the ring, usually termed for the closure of the floating nature. Which is good _ Henan compensation Serco supply material (certified) _ Henan compensation provided by Serco Gongyi City Water Supply Materials Co., Ltd .. 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.