Posted by Wayne Parham [ 65.69.120.174 ] on June 14, 2005 at 18:40:08:
In Reply to: Re: Basshorn or Transmission Line posted by Cal on June 14, 2005 at 08:27:46:
That's right, no moving parts. The pressure differential is low, but flow is more restrictive one way than the other, so it creates unidirectional flow. There are an assortment of flapper valves we could have used, and a variety of opening pressures. But the valves we chose don't seal, they work on a pressure differential instead.
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