Shanxi customers Zhang Q: coal steel mesh skeleton polyethylene pipe should meet certain requirements, what specific criteria? Golden Link Pipe technical director Kou workers to answer your questions: coal steel mesh skeleton polyethylene pipe requirements are the following aspects: 8, drop hammer impact performance when tested in accordance with the provisions of the pipe 7.8, 10 samples 9 should be free of cracks and damage. Hydraulic Performance 9 9.1 Short-term hydrostatic strength performance test temperature is 20 ℃, gas common pipe (KMQ) at a test pressure of 1.6 × 2 times the nominal pipe packing 1h steel woven composite pipe, the pipe should not broken, do not leak; Universal liquid pipe (KML) at a test pressure of 2 times the nominal dwell 1h composite pipe, pipe should not broken, do not leak. 9.2 burst pressure performance test temperature is 20 ℃, gas common pipe (KMQ) at a test pressure of 3.3 × 1.6 times the nominal pressure, pipe should be no blasting; liquid generic tube (KML) under the steel skeleton of the test pressure 3 times the nominal plastic composite pipe, pipe should not burst. 9.3 negative resistance test according AQ1071-2009 requirements (pressure duct (KF) with liquid universal pipe (KML) does not require this). Shanxi customers Zhang Q: coal steel mesh skeleton polyethylene pipe factory test any specific requirements? Golden Link Pipe technical director Kou workers to answer your questions: coal steel mesh skeleton polyethylene pipe requirements are the following aspects: the factory inspection shall be responsible for product delivery inspection coal steel mesh skeleton polyethylene manufacturer's quality inspection department by composite pipe, with the same formula, the same process conditions produced the same specifications of the pipe, regarded as a group every 5000m (5000m inadequate to the number of dollars), after passing inspection certificate issued by the factory inspection before leaving the factory. Edited composite steel pipe, composite pipe, provided by Golden Link Pipe Industry Co., Ltd. Hebei Golden Link. Hebei Golden Link Pipe Industry Co., Ltd. (www.hbjinlingpipes.com/) strong, credible, Hebei Hengshui chemical products industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the Golden Link Pipe and you work into the brilliant, for a better future!