Liu Jiansheng manager of the North pipeline anti-corrosion insulation works Co., Ltd. Sales Tel 13832709986 0317-6260880 Website http://www.hblxgg.net enthusiasm for your service, production and supply of various anti-corrosion steel pipe, anti-corrosion pipeline. Implementation of standards two, three PE anti-corrosion pipe coating for buried steel pipeline polyethylene technical standards SY/T0413-2002 1. DN200 below the pipes, longitudinal coating process treated with preservatives; of DN200 pipe above, the lateral winding process for preservative treatment. Two. PE coating to ensure that the 25Kv spark leak qualified. 3. Coating peel strength more than 100N/cm. 4. The outer surface of the steel pipe shot blasting, the derusting grade Sa2.5 level, effectively increase the pipe surface area, improve the bond strength. Pipe layer PE the antisepsis structure: the first layer of epoxy powder (FBE> 100um), the second layer of adhesive (AD), 170 ~ 250um, the third layer of polyethylene (PE) 2.5 ~ 3.7mm. Three of the integration, and solid steel pipe to form a good coating. Its main features are: 1, polyethylene, excellent corrosion resistance and can withstand a variety of corrosion in the natural environment; 2 has a high quality bid;, polyethylene insulation excellent performance, but in dry conditions electrical performance and long-term flooding conditions remain basically unchanged, which can effectively prevent stray current caused by electrochemical corrosion; microbial corrosion resistance and deep-rooted plants a thorn, plant root penetration phenomenon does not occur; strength high, the direct use of crushed gravel with diameter ≤ Φ25mm not artificial soil backfill without causing any damage; coated tube as a whole anti-bending ability, in general, allowing cold bending 1.5 ° tube diameter; anti-cathode stripping capacity, which is very important for cathodic protection of pipelines; 8, the whole production process continuous mechanization, product quality and stability, conducive to a comprehensive quality control;, polyethylene coated steel pipe and long service life, in the ≤ 60 ° C conditions can be used under more than 50 years. Scope of application of oil pipelines, gas pipelines and city gas pipelines, urban water supply pipelines, coal slurry pipelines