Material Choices Abound, and are Abounding

Choosing a valve can be challenging. For example, material compatibility can be an issue in some applications, especially as the choices for valve materials continue to expand. While not new, applications for plastic valves are gaining a foothold in the market, thanks to continued development. A German regulatory agency has approved their use for potable water and gas applications. One company offers PVC union ball valves and PVE ball valves in applications of up to 16bar. And, research is finding still more materials: Engineering360.com recently reported on fusible alloys that can be used for a variety of products, including valves.

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