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  1. TXRVD

    Is a dielectric union required on 316SS tubing used for chemical injection.?

    thank you TugboatEng, EdStainless, SJones for your quick response, knowledge and advice. I needed some backup since some thought that the DU was to protect the buried tubing. I am going to check that the isolation kit is properly installed where the flowline goes into the ground. We'll use sand...
  2. TXRVD

    Is a dielectric union required on 316SS tubing used for chemical injection.?

    I have an installation where a pneumatic chemical pump is approx. 100 FT from a wellhead. The chemical injection pump discharge 316SS tubing is buried around 4 FT deep, comes above ground and connects to a 316SS ball valve, check valve and injection quill that is on a carbon steel flowline. The...

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