Jeff Posted March 29, 2010 Share Posted March 29, 2010 Anyone have a recommendation on tubing for high alcohol transfers. I have been trying to find an acceptable tubing for a peristaltic pump. Jeff Link to comment Share on other sites More sharing options...
will Posted March 29, 2010 Share Posted March 29, 2010 chem-durance Link to comment Share on other sites More sharing options...
Vigneron/Xpressfill Posted March 29, 2010 Share Posted March 29, 2010 We use polyethylene tubing in our machines that bottle a variety of alcohols Link to comment Share on other sites More sharing options...
will Posted March 29, 2010 Share Posted March 29, 2010 Judes is right. I had only considered the tubing inside the pump. For the bulk transfer you would not want to use stuff that's over a buck a foot, just use polyethylene or polypropylene. ...and make sure it's food grade. Avoid polyvinyl tubing of all types. Link to comment Share on other sites More sharing options...
Sherman Posted March 29, 2010 Share Posted March 29, 2010 If you are very concerned about contamination or chemical resistance there are several suppliers of both suction side and pressure side lined hoses for bulk transfer. One such supplier is http://puretransfer.com/hose/smooth-bore-ptfe.html who has both EPDM and PTFE lined hoses. PTFE is commonly known as Teflon and is excellent and insoluble in every known solvent. It is attacked only by molten alkali metals and by fluorine at high temperatures. Of course it is not cheap but it sounds like a one time investment. Link to comment Share on other sites More sharing options...
daveflintstone Posted June 30, 2010 Share Posted June 30, 2010 I use PVC flexible tubing, mainly because it was the only 1" diameter available close by. It's clear so it's easy to see the fluid transferring, which is nice. As long as you don't need sharp bends in the run, otherwise it can pinch closed. Link to comment Share on other sites More sharing options...
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