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The Advantages Of A Plastic Solenoid Valve

A solenoid valve can be made of many different materials and in many different designs and configurations. The term solenoid is used to distinguish the operation of the valve through an electromechanical process. The solenoid responds to changes in an electrical current. This change in current and the response of the solenoid moves the valve into an open or closed position or allows for the valve to shut off and open specific ports. With a two-port valve the action is open or close, and with three or more ports the solenoid controls the flow of the liquid, gas or steam through the valve to different outlets. The Use of Plastic While many types of applications use solenoid valves made of different metals and alloys, high purity systems require special materials. A plastic solenoid valve for these applications can be made of PEEK and Polypropylene, with PTFE bodies and wetted surfaces. The use of PTFE or Polytetrafluoroethylene is ideal for high purity types of applications. This is the material commercially known as Teflon, and it offers a non-stick, highly chemical and corrosion resistant surface. The addition of PTFE to the plastic solenoid valve wetted surfaces prevents media from building up in the valve and causing corrosion damage to the surface. With the extremely low friction caused in passing through the valve, it has minimal impact on system pressure or flow rate. What to Consider With a well-designed, quality plastic solenoid valve, the coil itself will be completely isolated from any possible contact with the media. This not only extends the life of the valve but also dramatically reduces valve failure. In applications with extremely elevated temperatures or large temperature variations, or when specific types of seals and o-ring configurations are required, look for a manufacturer specializing in plastic high purity...

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The Increasing Demand For Polypropylene Valves Across Applications

The use of plastic valves, particularly those made of polypropylene (PP), has dramatically increased across all industries. These valves are durable, resistant and can stand up to a wide range of fluid temperatures and fluid types. Many people see polypropylene valves as a specialty or a specialized type of product. However, the advantages of the material make these valves a great option for standard fittings and system configurations as well as for customized valves for specialized applications. To understand why these valves are quickly replacing the traditional metal and alloy valves, take a closer look at the benefits and value in polypropylene valves. The Advantages of Polypropylene There is a host of benefits to the use of polypropylene. This is a material that is able to withstand both heat as well as cold fluids. The material has a melting range of 320 to 331 degrees Fahrenheit so that it can tolerate most industrial applications. This is a material that is highly resistant to corrosive materials. It is also resistant to virtually all types of organic solvents with the exception of very strong oxidants. The of this type of plastic is also ideal for resistance to abrasion, which can be a problem when solids or semi-solids are flowing through valves made of other materials. The choice of polypropylene valves ensures smooth interior wetted areas of the valve. Add to this the lightweight nature of the valves and the simplicity of installation, and it is easy to see the increasing popularity. While all of these issues are key benefits to choosing PP valves, perhaps the biggest for most Original Equipment Manufacturers and industrial construction contractors is still the low cost. Low cost, coupled with a long-life cycle, makes these valves a prime consideration for an increasing number of...

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