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How much pressure can pvc hold after its been drilled and tapped?

1

1320wrx

I am making a resivoir for a auto top off out of pvc. I plan on using 4 inch pvc, on one end of the pipe I plan on capping off the pipe. In the cap I want to drill a 1/4" hole, tap in threads, and install a 1/4 male John Guest fitting wrapped in teflon tape. I will be pressurizing the pipe with 10-20psi of air. Will the joint between the PVC end cap and the JG fitting be strong enough to hold that much PSI for long periods of time?

Steve
 
D

DaveK

PVC pipe and fittings will easily take this type of pressure. However, my question would be what exactly are you trying to build? How will it function?

Usually for an auto top off, it's much easier to mount the FW container above the tank or sump and just let gravity do the work.
 
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