Transfer Pump

[David Violante]

I have a great little stainless pump that is not self-priming but a good size for my operation. So far. Since it's not self-priming, I was trying to think of a way to prime it without a ton of effort and came up with the following idea. The only big change is to make the ball valve on the discharge side a three-way. This way, I can pull a suction from the supply through the pump, close off the valve to those lines, turn on the pump, then open it to the discharge side. Any thoughts or suggestions? Image most definitely not to scale...

 

[Rice_Guy]

I have a great little stainless pump that is not self-priming but a good size for my operation. So far. Since it's not self-priming, I was trying to think of a way to prime it without a ton of effort and came up with the following idea. The only big change is to make the ball valve on the discharge side a three-way. This way, I can pull a suction from the supply through the pump, close off the valve to those lines, turn on the pump, then open it to the discharge side. Any thoughts or suggestions? Image most definitely not to scale...

Just me, but I do the suction on the receiving carboy, I also stage things with gravity / lower receiver or else have a check valve to prevent back flow

 

[David Violante]

Just me, but I do the suction on the receiving carboy, I also stage things with gravity / lower receiver or else have a check valve to prevent back flow

Normally I would do the same, I’m just not sure I would do that to a demijohn though. I do like the idea of a check valve however.