Non-destructive testing of medical gas pipeline welds shall meet the following requirements: 3, medium and low pressure medical gas pipeline stainless steel medical oxygen, medical nitrous oxide, carbon dioxide, medical, medical nitrogen pipeline piping medical room set, and a wall thickness of no more than 2.0mm The stainless steel low-pressure medical gas pipeline pipe should be 10% of radiographic detection, the quality may not be less than three; 4, weld radiography should be 100 percent pass rate Hebei Medical gas pipeline, each weld welding should not exceed 2 times. When radiography qualification rate of less than 80%, in addition to repair defective welds, it should also increase the proportion of the original radiographic testing. Medical gas pipes and fittings before using the product standard shall be visually inspected, and shall meet the following requirements: 1, all ports sealed packaging should be intact pipe, valves, accessory package should be no damage; 2, pipe should be no appearance of a manufacturing defect, should maintaining sleek, straight pipe fittings manufacturer of medical, not a local depression, bumps, squash and other defects; high-pressure gas, cryogenic liquid pipe should not have scratches indentation; 3, the valve sealing surface will be complete, no injuries, burrs, etc. defects; flange sealing surface should be smooth, without burrs and radial grooves; 4, non-metallic gaskets should be kept flexible texture should be no aging and stratification, the surface should be no impairment and wrinkles; 5, pipe and Annex shall be no corrosion phenomenon. Medical oxygen pipes piping _ _ Hebei Ericsson Ericsson provided by the Hebei Medical Engineering Limited. Ericsson Hebei Medical Engineering Co., Ltd. (www.hslixin.com) strong, credible, Hengshui in Hebei medical device manufacturing equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Hebei Ericsson and you hand into the brilliant, for a better future!