Quality or manufacturer of PTFE lined check valve
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We have a set of production equipment, which requires a check valve on the pipeline. The medium is very corrosive and is made of polytetrafluoroethylene. Our check valve is installed on the riser. Two check valves were originally used. Due to unreasonable structure or poor quality, the check valve failed, became ineffective, and simply got stuck. Even materials in the forward direction could not pass through, which had a great impact on production. I would like to ask if there are any good quality check valves in China that are lined with PTFE and installed on the standpipe. If so, please provide the specifications and manufacturer. Thanks!
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There seems to be no particularly suitable manufacturer in China. There is a foreign brand called Neotecha that makes this valve, and the effect is relatively good.
We also install the check valve on the standpipe. I don’t know how to avoid the above problems.