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The thing is the water has to go to the right eventually, so even if normal operation is straigh through the valve, eventually it will still have to hit a 90o elbow. Still, I have a feeling that losses are higher in the case where the elbow is built into the valve compared to the case with a...

I'm trying to put a 3-way valve somewhere. 1. The current valve is positioned like an upside down T. Normal operation has water coming vertically down and to the right side. Blowdown mode has water coming from the left side to the right side. 2. Another engineer conceptualized it...

Thanks for your help guys. My boss confirmed that all I had to do was move along the pump curve (impeller size was determined from the last phase of study) to the new flow rate and determine how much pump head we have and see if it is above the expected head loss across our system.

I consulted a colleague just now and I was told that I could just move across the pump curve and just put the operating point at 1000 gpm (our new flow rate going through each pump) and 120 psi because our system is essentially the same, only the flow rate changed. Does this work?

In front of me is a pump curve with some specs. Duty flow: 1600 gpm Duty head: 120 psig NPSHR: 11.3 psi Now that I have a different flow rate, I want to check if this pump is still ok. The only information I have is that the water tank is exposed to atmospheric pressure, its elevation relative...