Pipes and Fittings PPR More
The PPR pipes and fittings
Since the beginning of widespread use of metals in various industries, researchers have always tried to produce superior alloys or to choose a suitable cover as a coating to reduce corrosion and increase resistance to such factors as rust. In this regard, plating, alloy metals production and the use of paints and coatings from a variety of polymers is considered.
Some of the polymers could be a good alternative to metals. For example, in the construction industry of piping for buildings and industries, the corrosion of metals has always caused major damage directly and indirectly so these pipes have been replaced by metals. Pipes manufactured from this material have many advantages such as cheap and easy to install. Of course, these pipes weaknesses such as restrictions on the transfer of heat or pressure and temperature intolerance as well. In order to overcome this problem, the combination of polymer and metal materials has attracted the attention of researchers that It should be noted that each based on the user selection, limitations and physical, chemical, mechanical set and today the use and application of polymer pipes spread and is spreading. Of polymeric pipes (white& green) can be used to transport corrosive acids, corrosive gases, corrosive wastewater, oil, sewer, natural gas and water. Compared with traditional (metal) polymeric pipes and fittings used has advantages and disadvantages. The benefits of these pipes can be corrosion resistance, easier to use, less pressure loss, flexibility, and many other factors cited.
The reliability and durability of the pipeline system directly depends on the quality and properties of the basic substance. The invention of poly propylene random copolymer (PP-RCT) was the result of the unique research. PP-RCT combines a number of valuable features, which make it the best selection for pressurized water and heating systems.
Long life. Deposits and corrosion don`t build up0 on the surface, having direct contact with water. The internal pipe size does not reduce over time.
Preserving the purity of water. This material is absolutely non-toxic and chemical resistant (inert), and therefore does not affect the quality of the pipeline water, and absolutely has no rust release. Widespread use of polypropylene not only in the pipelines, but also for the packaging of various food products and ultra-pure preparations indicates the perfect hygienic characteristics of raw material.
Resistance to changing conditions. Polypropylene endures height pressure and temperature drops. Due to the elasticity of the material, an important advantage of polypropylene pipes is as follows: water in the polypropylene pipes may freeze without destroying them. If water freezes in the polypropylene pipes and fittings, they are not destroyed, but only slightly increase in size and come back to the previous size after thawing. Polypropylene pipeline water supply system can withstand a certain amount of freezing / thawing. Basic normative document on polypropylene indicates that it is possible to do.
Low heat loss. PP-RCT systems are economical-to-operate, and their heat conductivity is much lower as compared with the metal pipes (heat economy up to 35%).
Noise & vibration damping capacity. PP-RCT systems maintain noise suppression much better as compared to the metal pipelines.
Convenient & fast installation. Installation of polypropylene pipes and fittings requires minimal skills, time and effort. Fusion welding method* allows to ensure a long- life tight joint for only a few seconds.
Low cost. Good value for money factor is achieved due to the low cost of raw materials and technological ease of installation. Furthermore, the durability of polypropylene plumbing compares favourably with metal plumbing (about 5 times).
Polypropylene pipes are light and easily moved and transported, therefore the handling charges are reduced. They are easy to install, and safe for the health ( no risk to get an injury), so that the total cost of the installation is lower than when you use pipes and fittings made of other materials ( carbon steel, cooper, PVC and etc.).
1.Polypropylene, used for the pipes and fittings manufacture, is tested to elevated temperatures and chemicals. It is durable and more stable than other materials, which are used in this field.
2.The absence of rust, corrosion, decomposition, decay, dirt, bacteria and calcareous deposits in the pipes and fittings prevents the internal pipe size reduction, and thus, their capacity is not reduced over time.
3Then since polypropylene is not a corrosive material, there is no electrochemical or abrasive reaction or wear. Plastic pipes can be easily attached to the fittings, they are widely used for different purposes; their installation requires minimal time and effort.
4.Polypropylene exhibits high stability to a wide range of organic and inorganic compounds. Due to smooth inner surface it is not subject to the action of lime scale, thereby, the internal pipe size remains constant.
- The Urban and rural water Distribution systems.
- The agriculture irrigation systems.
- The underground water pipes system.
- The Compressed air installations.
- The irrigation under pressure systems.
- The water transfer in the dam-building industry.
- It can be used in humid environments possible acid leakage.
- The drinking water and sanitation networks (residential, industrial and commercial).
- The industrial piping of factories (Acid, Alkali, Food and Sanitary).
- The Ventilation systems and heating and cooling installations (radiators, engine room, chiller, radiator and condenser).
- The Hot and cold water systems for buildings, hotels, hospitals, residential, office and commercial complexes, apartments and towers.
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