Plastic composite pipe installed before the general provisions of a pipeline installation shall meet the following conditions: 1. The construction drawings and other technical documentation is complete and has been carried out technical tests; 2. to install pipes, fittings and valves and other accessories as well as the necessary piping supports , fasteners, seals and other check product certification, quality assurance, specifications, variety and quantity, and visual inspection; 3. the construction site and construction of water and power supply to meet the requirements; 4. construction equipment has arrived; 5 and pipe connected device has a fixed place or location. II. Construction should technical training GP steel pipe price, familiar performance plastic composite pipe, master basic skills. (2) the heating pipes, fittings fusion welding when heated to 260 ℃ (after lights) pipes and fittings while promoting fusion splicer die within GP steel pipe function, the heating time is not less than 5 seconds. (3) connecting pipe fittings to the heated pipe fittings at the same time removing the GP steel pipe, quickly straight into the depths of the mark, may be appropriate to adjust the characteristics of GP steel pipe, but the rotation is strictly prohibited. (4) for 3-5 minutes to cool the cooling pipe fittings good connection. After the end of the pipe installation and acceptance testing, hydrostatic test must be carried out to confirm whether their fusion in good condition, otherwise prohibited pipes hidden. GP steel pipe function _ Golden Link Pipe Industry (certified) _GP steel pipe provided by the Hebei Golden Link Pipe Industry Co., Ltd .. Hebei Golden Link Pipe Industry Co., Ltd. (www.hbjinlingpipes.com/) Hebei Hengshui, chemical products leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Industry leaders in Jinling staff warmly welcome all inquiries negotiations to create the Golden Link Pipe a better future.