() Because of the characteristics of the conical screw, the feeding section has a large diameter, and the heat transfer area and shear speed of the material are relatively large, which is conducive to the plasticization of the material. The screw diameter of the metering section is small, reducing the heat transfer area and the shear speed of the melt, so that the melt can be extruded at a lower temperature.
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Vinoplastik Company is one of the well-known manufacturers of UPVC pressure and non-pressure hydraulic pipes in Iran, which offers its products in four areas: industrial towns, water and sewage companies, Jihad Keshavarzi and regional water companies. In recent years, Vinoplastik has been able to supply the pipes and fittings of many companies operating in these four areas, as well as bring good currency to the country.
Large pipes are often used to transport drinking water in urban and rural areas, as well as to transport sewage and other waste materials, but their use extends even to chemical, pharmaceutical and packaging companies. Developed countries are still at the forefront of the production and consumption of large-sized pipes and fittings, and demand for these products is projected to increase dramatically in the coming years.
Azar Barzin G. Sepahan Company, year in a land with an area of thousand square meters and infrastructure of square meters with the aim of producing all kinds of PVC pipes and fittings from size to mm, in order to be used in sewage and water supply, telecommunications, electricity and A building was built. This company produces pp (polypropylene) pipes and fittings from size to mm for construction, urban, industrial, sanitary water supply and central heating installations and the transfer of chemicals, acids and compressed air in its production line.