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Hi, Everyone. I'm making my second sandblaster gun. First one used a brass 3/8ths on/off valve that worked great but wore out rather quickly.
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Anyone have a recommendation for a steel valve? McMaster-Carr has a valve of stainless steel, which I assume means the ball as well, but then states the "seal" is made of PTFE plastic. What does that mean?
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Terry Smith, '59 TR3A
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New Hampshire
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