Recent content by scheideler

Thanks for the responses. I think that's what I needed to proceed, but i'll come back if I hit a wall.

Hello. I'm on a project that needs to transfer clean water from a high-service to low-service network via a connection with a pressure reducing valve. The goal is to improve reliability and add redundancy to a municipal distribution system. The inlet pressure is 90, and the outlet is 77 psia...

Thanks for all the responses. It's not an issue of excess flow. In the curve at top, there's the pump curve, turned down to the lowest recommended speed. Then there's the system curve, which is incredibly low when the reservoir is full. The pumps were never meant to operate at this water...

The numbers on the left at feet above sea level. Thanks.

Thanks for the responses. Of course I could've included more details. Process fluid is raw water at ambient temp. We have an emergency reservoir with 2 pumps sets, one for the top and one for the bottom elevations. Zdas04, the main problem is we need to run the pumps, even briefly, when...

Hello. I've browsed this forum for years but couldn't find any info on my current issue so I thought I'd post. I'm part of a team designing a deep well pump set which is assigned to a certain bandwidth of water surface elevations, although the water will rarely be that low (emergency pumps)...