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  • Users: Etzo
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  1. Etzo

    Help with a Piston (rod) Seal?

    Hi All, I'm a bit of a hacker and I am trying to design a simple small piston pump. Most of it is coming along nicely, but I want to check the seal design. I have been recommended a U-cup seal with an oring to energize the seal and improve the low-pressure seal. It is made out of food-grade TPU...
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