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In order to determine the overall change in static pressure of liquids and fluids as they flow along a large tube, all three components of the Bernoulli equation must be considered separately and then combined. Changes in the height or slope of the pipe may cause a pressure drop. Similarly, a change in fluid velocity can increase the pressure and vice versa. The net effect of these currents depends on the relative magnitude of these changes.

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.

Metal pipes, despite all the preparations, usually rust after a short time and are very difficult to install. In addition to all this, water and sewer pipes are usually located at a certain distance from the ground and they will not be easy to replace or repair. The industry of materials handling and hydraulic piping has presented a suitable option to various companies, which includes the use of pressure pipes and non-pressure pipes. These pipes are often made of durable materials such as PVC and significantly increase the useful life of local plumbing. Follow the continuation of this article to study this issue and review the types of materials that can be used in pipes and fittings of fluid materials.

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.