Commercial and Institutional control of basin mounted sump and sewage pumps does not have to be complicated. In residential systems, a small fractional horsepower pump …
Process System Pump Selection: Controls to Reduce Maintenance Time
In the last R. L. Deppmann Monday Morning Minutes I defined the difference between flat curves and steep curves in a hydronic pump selection. I …
Hydronic System Pump Selection: Flat vs. Steep Curves
An engineer in Michigan called about a large project with several pumps being selected in parallel for a plant chilled water system. He commented that …
Non-Clog vs. Vortex Impeller Choices for Sewage Pump Applications
Plumbing engineers are hired to use their knowledge to provide the right building solution for the money their client is willing to spend. There is …
Submersible Pump Application Guide: Sump, Effluent, or Sewage Pump?
Plumbing engineers understand the differences in drainage piping systems depending on the source of the fluid. When selecting the submersible pump for the building trades …
Hydraulic Elevator Sump Pumps in Ohio
The State of Ohio elevator codes leaves the solution of pumped hydraulic oil and water to the design engineer. Our updated R. L. Deppmann plumbing …
Hydraulic Elevator Sump Pumps in Michigan –Meeting the Code
The State of Michigan is very specific in codes regarding sump pumps located in hydraulic elevators. Our latest and updated R. L. Deppmann Plumbing website …
Sump & Sewage Pump Design Calculations: Pump Head for Building Services
Today we want to help you in determining the pump head for sump and sewage applications. Simple or not, it is good to review the …
Sump and Sewage Pump Design Calculations – Old Pipe or New Pipe in Head Calculations
Today, the R. L. Deppmann Company Monday Morning Minutes starts a series of articles on sump and sewage system sizing tips. The pump head calculations …
Variable Speed Pump Control – More Detailed Curve and Area Control
Curve control, Area control, Sensorless control, Remote DP sensor control. Local sensor control: the shopping cart of speed pump controls can get overwhelming. We just …