2 pumps on 1 bulkhead? Ok or no?

[JonT]

Originally Posted by intarsiabox

Will likely get cavitation in your pumps but you may be able to throttle the discharge side down enough that it will work. If you get a gravelly sound out of your pump(s) when you turn them on just close the discharge valves off until it goes away and then see if you are still getting enough output for your needs.

This is the most likely result.

Is this a CL? Trying to figure out what your up to, and trying to do? I am sure that this may have been the easiest way, but this hobby is full of DIY'ers, and I am sure we can come up with Plan B-Z for you