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Advantages And Identification Of PVC Pipe

Advantages And Identification Of PVC Pipe

Polyvinyl chloride pipe or PVC pipe is vinyl chloride synthesized by the polymerization of acetylene gas and hydrogen chloride. High mechanical strength and good corrosion resistance; the following are the advantages of PVC pipes:

Advantages:

  1. The surface hardness of the pipe is high, the tensile strength is good, and the safety factor of the pipe is high.​​
  2. Good aging resistance, normal service life can reach more than 50 years.​​
  3. Pipes with good corrosion resistance to inorganic acids, alkalis, and salts can be used for the discharge and transportation of industrial wastewater.​​
  4. The friction coefficient of the pipeline is small, the water flow is smooth, the blockage is less, and the maintenance workload is small.​​
  5. The material has high oxygen index and is self-extinguishing.​​
  6. The expansion coefficient of the pipeline is less than 0.07 mm/m. The temperature has little effect on deformation; thermal conductivity and elastic modulus are small and compared with cast iron drainage pipes, it has good frost resistance.
  7. The connection between pipes and fittings can be made by bonding, the construction method is simple, the operation is convenient, and the installation efficiency is high.
  8. Due to the UPVC monomer and additives, although the price is low and the texture is hard, it is only suitable for water supply systems with a temperature not exceeding 45 °C.

Polyvinyl chloride pipes can be widely used in chemical and textile industries, such as waste gas discharge and detoxification towers, gas-liquid transportation pipelines, water-saving irrigation, and other fields, and can also replace other corrosion-resistant materials to manufacture storage tanks, centrifugal pumps, fans, and joints.

When the amount of plasticizer reaches 30% to 40%, soft polyvinyl chloride is obtained, with high elongation, soft product, good corrosion resistance, and good electrical insulation. It is often made into films for industrial packaging, agricultural seedling raising, daily raincoats, tablecloths, etc. It can also be used to manufacture acid and alkali-resistant hoses, cable jackets, insulating layers, etc.

PVC pipe and fitting
IFAN PVC pipe and fitting

How to Distinguish the Quality of PVC Pipe

IFAN PVC Pipe (UPVC Pipe)

A rigid PVC pipe is a kind of plastic pipe made of PVC resin, stabilizer, lubricant, etc., and is formed by hot pressing. It has strong corrosion resistance, easy bonding, low price, and hard texture, but UPVC monomer and additives all seep out, and it is only suitable for water supply systems with a temperature below 45 °C.

How to Tell If It’s Good or Bad?

1: Looking at the whiteness and gloss, some manufacturers add too many miscellaneous materials and recycled materials, and the tubes will turn black and yellow.

2: Take the sample and drop it. The products that are easy to break are generally too many additives and unqualified products.

3: Step on the sample tube with your foot to see if the sample tube will crack and the elongation at break after cracking.

4: Discrimination of weather resistance is troublesome. The most direct way is to put it in a place with high temperature and high light for a few days to see the surface change rate, but it is a waste of time.

5: Looking at the material, professional equipment is needed to analyze it. The simple judgment method is to compare the weight of two pipes with the same diameter and wall thickness. The one with the higher weight has too much calcium powder and impurities, and the material is not pure. Require.

Green UPVC Fittings
IFAN Green UPVC Fittings

Application Areas of PVC Pipes:

  1. Municipal engineering. Can be used for drains and sewage pipes.
  2. Construction works. Used for rainwater pipes, underground drainage pipes, sewage pipes, ventilation pipes, etc.
  3. Electrical and telecommunication engineering. Can be used as a protective tube for various power cables, railways, highway communications
  4. Used as a protective tube for communication and optical cables.
  5. Pvc double-wall corrugated pipes are widely used in sewage pipes in chemical, pharmaceutical, environmental protection, and other industries.
  6. It is used for water-saving irrigation and drainage of farmland, orchard, tea garden, and forest belt.
  7. Used as seepage and drainage pipes for railways, highways, and mines.
  8. Can be used as mine ventilation, water supply, and drainage pipes.

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