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Steel plastic composite pipes for chemical purposes

When changing the circulation liquid and using chemicals to protect pipes is still not ideal, we start to consider the material of the pipes themselves. If the pipes themselves are not afraid of corrosion, scaling, and algae, existing problems can be basically solved. It is an ideal material for applications in chemical, power, pharmaceutical, sewage treatment pipelines, and other systems.

  • 产品描述

  • When changing the circulation liquid and using chemicals to protect pipes is still not ideal, we start to consider the material of the pipes themselves. If the pipes themselves are not afraid of corrosion, scaling, and algae, existing problems can be basically solved. It is an ideal material for applications in chemical, power, pharmaceutical, sewage treatment pipelines, and other systems.

    When changing the circulation liquid and using chemicals to protect pipes is still not ideal, we start to consider the material of the pipes themselves. If the pipes themselves are not afraid of corrosion, scaling, and algae, existing problems can be basically solved. It is an ideal material for applications in chemical, power, pharmaceutical, sewage treatment pipelines, and other systems. Steel plastic composite pipes are divided into lined plastic pipes and coated plastic pipes; Lined plastic pipe is made of steel pipe as the matrix, extruded with ordinary resin as the inner lining pipe, then coated with glue to form a series of pipes, and heated to combine the thermal expansion of the plastic pipe with the steel pipe; Coated plastic pipe is made of steel pipe as the substrate, and is coated with polymer materials on the inner (outer) wall through processes such as powder melting, vacuum suction coating, or spraying. Therefore, steel plastic composite pipes have both the characteristics of steel pipes and the characteristics of plastics;

    1. Clean, non-toxic, non rusting, non scaling, and non breeding of microorganisms;

    2. Corrosion resistant, no exudates, and non polluting media;

    3. High strength, heat resistance, good pressure resistance, non aging, and embrittlement;

    4. Smooth inner wall, no reduction in flow diameter (coated pipe), and improved conveying efficiency;

    5. The coating has strong adhesion and good impact resistance;

    6. Easy to install, similar to ordinary galvanized pipes;

    7. Good weather resistance and adaptability to harsh natural environments;

    8. Long service life, more than three times that of other steel pipes;

    1: Excellent bonding performance:

    (1) Our company's self-developed polymer material coating is activated with nanotechnology on the inner and outer walls of steel pipes and fittings, making the combination of the two a physical and chemical reaction that is not easy to delaminate. It synchronizes with collective thermal expansion and contraction during cold and hot dynamic changes, without wrinkling or cracking. 

    2: Excellent mechanical strength:

    (2) Our company's double-sided coated composite steel pipes have the same mechanical strength as nuclear bare steel pipes, and have strong resistance to impact, bending, and pressure, as well as good protection against mechanical force damage.

    3: Good hygiene performance

    (3) For water, food, and alcoholic beverages, our company uses polymer composite materials to fully composite with the National Health and Safety Assessment Specification for Drinking Water Transportation and Distribution Equipment and Protective Materials (2007) GB/T17219. The coating is non-toxic and odorless, and its hygiene indicators comply with the national pipeline standards for drinking water and food transportation. 

    4: Low fluid resistance

    (4) Our company produces double-sided coated composite steel pipes and fittings with smooth inner and outer surfaces, low friction coefficient, and fast flow rate. The fluid resistance of the medium inside the pipe is 40%, while that of the lined plastic pipe is 10% lower. The corresponding power consumption is reduced due to the lower pressure inside the pipe, and there is no precipitation, mold, or harmful substances produced inside the pipe.

    5: Excellent temperature resistance

    (5) Our company's independently developed anti-corrosion material for the outer wall has excellent resistance to ultraviolet radiation, acid, alkali, and salt spray corrosion, and does not require secondary anti-corrosion, greatly saving construction and maintenance costs. Its service life value is equivalent to that of buildings.

    6: Excellent corrosion resistance of the outer wall of the pipe

    (6) The civil composite steel pipe fittings produced by our company can be used for a long time in cold water, hot water, and boiling water at temperatures ranging from -50c to 120c. High temperature resistant steel pipes can reach up to 800c

    2： Double sided coated plastic composite steel pipes for fire protection:

    3： Double sided coated plastic composite steel pipes for chemical purposes

    4： Double sided coated composite steel pipes for petroleum and gas use

    5： High temperature and high pressure medium conveying double-sided coated plastic composite steel pipe

    6： Mining double-sided coated plastic composite steel pipes

    7： Double sided coated plastic composite steel pipe for buried cable conduit

    8： Wear resistant double-sided coated plastic composite steel pipe

    Execution standards:

    HG20538-92 Plastic lined (PP, PE, PVC) steel pipes and fittings

    DL/T935-2005 Steel plastic composite pipes and fittings

    CJ/T120-2008 Composite Steel Pipe with Plastic Coating for Water Supply

    HG/T2437-2006 Plastic lined composite steel pipes and fittings

    HG/T21562-94 PTFE lined steel pipes and fittings

    CJ/T192-2004 Lined Stainless Steel Composite Steel Pipe

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