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HiSomewhere there was a discussion on o-rings for steam engines, and one suggestion was an Aflas O-Ring, can handle 450 degrees F. Here is McMaster link https://www.mcmaster.com/catalog/126/3729.I am currently fitting one of these to a 2" Case Traction Engine.Bob
Quote from: Bobsmodels on December 06, 2020, 12:43:39 AMHiSomewhere there was a discussion on o-rings for steam engines, and one suggestion was an Aflas O-Ring, can handle 450 degrees F. Here is McMaster link https://www.mcmaster.com/catalog/126/3729.I am currently fitting one of these to a 2" Case Traction Engine.BobThats an interesting material - being hard it wont squish in like viton or buna, is it more critical of the groove depth because of that? Being slippery is a plus. They will still stretch a bit to go over the piston though?