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'@@ -1,0 +1,1 @@ +<br>The PVC butterfly valve is very popular and widely used in plumbing. These valves are available in a large variety of sizes, finishes and types. PVC butterfly valves (or valves) can be found for hot and cold water plumbing, potable water plumbing and industrial water plumbing. The PVC butterfly valve manufacturers include Rainbird, Coronet, Sunstar, Lindhaus, Eureka, Tamko, Adtran, Aetrex, Carron and Brown & Lanx. Below is a brief list of the main plumbing all fitting companies that manufacture PVC valves:<br><br><br>Electrofusion: This is one of the leading plumbing all fitting manufacturers. Their products incorporate electrofusion technology, which uses an electric current to fuse and weld materials together, resulting in high quality, long lasting and corrosion-free pipe joints. The PVC connector and vent couplings that using electrofusion technology are very long lasting. There are three different categories of electrocutions, including NVR, SVR and VRS, and each category has PVC pipe fittings in it.<br><br><br>Non-Vent: Non-vent piping is also widely used, although less frequently than vent pipes. Non-vent piping is commonly used for drainage systems such as bathroom sinks and lavatories, showers, outdoor faucets, toilets, washing machines and garden pumps. They are also used to connect pipes coming into the domestic sewer system from storm drains and septic tanks. They are made from galvanized steel or copper and are very flexible and durable. A non-vent PVC pipe fitting is often combined with a vent or butterfly valve to create a double flow system.<br><br><br>Polyethylene: The material used to make polyethylene pipes is flexible, lightweight and very durable. The material is resistant to a variety of chemicals and substances, and they are suitable for use with most plumbing systems. Polyethylene pipes are available in both flexible and rigid sheets. Rigid sheeting is more flexible than the flexible polyethylene sheets, but they both are equally effective and safe. There are numerous other plumbing accessories available in polyethylene, such as couplings, valve seats, connectors, valves, connectors and ferrules.<br><br><br>Flexible Sheeting: These types of polyethylene pipe fittings, when compared to their rigid counterparts, are both easy to handle and install. The most common material for flexible sheeting is PVC, although other synthetic materials may be used. The PVC fittings can be made from a variety of raw materials, including PVC itself and talc. Talc is a natural occurring material that makes up cladding for rocks, soil, cement and other surfaces and it is commonly used as an additive to concrete products.<br><br><br>High Temperature: For many applications, particularly those that require freezing of the raw material, PVC fittings require a higher temperature than other types of pipes. PVC is a thermoplastic material and will bend at very high temperatures and its electrical and chemical properties change over time. The electrical and chemical properties of the raw material change because of changes in temperature, sunlight, oxidation and many other factors. The PVC fittings that are used in conjunction with high temperature plumbing have an extra edge and greater durability than conventional pipe fittings. PVC has been found to withstand extreme pressures and temperatures, even in the largest water tanks. Many times the PVC pipes have been found to survive pressures up to and including hundreds of bar, even exceeding one tonne.<br><br><br>Low Density: A low density coating is added to the inner surface of the PVC pipes in order to prevent any slippage or lateral movement. This also adds a layer of insulation to the inner surface, thereby improving the insulating properties of the pipe, reducing heat transfer and decreasing the energy required to conduct heat to the premises. Some of the PVC pipes are so low in density that they are used for low pressure delivery systems. This type of pipe is called a low pressure booster.<br><br><br>Electrochemical: Some of the PVC pipes contain an electrochemical process called electroplating. If you have any type of questions regarding where and just how to make use of [https://www.shunchengvalve.com/acoples-camlock/ acoples camlock], you can call us at our own internet site. When these fittings or pipelines are exposed to water at elevated temperatures or in a low pressure situation, an electrochemical reaction occurs. This reaction produces hydrogen peroxide, a substance that has the effect of counteracting corrosion, rusting, etching, etc. These pipes are known as electrofused pipes and usually have a higher resistance to corrosion and wear than do non-electroplated pipe.<br> '