[NightHawkInLight] a.k.a. [Ben] recently built an awesome high power air cannon out of PVC pipe. PVC air cannons ... replaced with a valve from a sprinkler system, giving this high power PVC ...

One of the most common uses for these rigid, plastic polymer pipes is for plumbing, but they can also be employed for rainwater collection and distribution, fire sprinkler systems, cable ...

Local hardware stores usually offer foam insulation tape, foam pipe ... clear a sprinkler system constructed of flexible polyethylene pipes, and 80 psi is needed to blow out rigid PVC pipes.