But not [truebassB], instead he built his own air pump from first principles (YouTube, embedded below) using PVC pipe. It’s a straightforward design in which the cylinder is a length of pipe ...
One of the most challenging parts is building a robust airframe. [Thomas Jarrett] has an interesting approach: he uses schedule 21 PVC pipe to build a sturdy airframe that is inexpensive and can ...
Description: The System 1738 PVC Product Line is a flue gas venting plumbing and mechanical solution certified to the stringent UL 1738 standard, a development for gas-fired water heaters, furnaces, ...
That's thanks in part to $15 billion in funding from the U.S. Environmental Protection Agency's (EPA) Drinking Water State Revolving Fund. The question of which materials should be used to replace ...