[TR] Sandblasting Valve

[bill beecher]

IIRC, PTFE is Teflon. 
Bill

“Cactus Jack drinks coffee black......” M.Murphy

> On Mar 24, 2020, at 9:56 AM, TERRY SMITH <terryrs at comcast.net> wrote:
> 


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.  

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?  

Terry Smith, '59 TR3A
New Hampshire
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