I did consider a 90 degree elbow on the back. However, after doing some research on rotary vane pumps in general, it is considered not good practice to have 90 degree bends that close to the pump. It creates too much water turbulence. In some cases, this will cause the pump to have a loud, high pitched sound. It can also make the pump wear out prematurely. The less cavitation or bubbles being introduced into the water, the better.
So, where possible, I used slow progressive bends.
When I have time, I’ll explain everything properly (as best as I can)
So, where possible, I used slow progressive bends.
When I have time, I’ll explain everything properly (as best as I can)


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