How a centrifugal pump moves water may seem too basic for engineers and contractors to spend time reading about. However, understanding how a centrifugal pump …
Ion Exchange Water Softener Packaged Solution
There are times when a commercial ion exchange water softener is the preferred solution for hard water in potable water systems. The map above is …
Minimum Chilled Water Flow Rates – Variable Primary Systems
I have written a great deal about the minimum flow rate requirement in centrifugal pumps. We recently received an email from an engineer who was …
Centrifugal Pumps: Determining Flow Rate Using Amp Readings
We understand that the best way to determine the flow rate of an operating pump is the proper readout of gauges attached to the pump …
Hydronic Systems Pump Minimum Flow Methods
Minimum pump flow rate is critical to the trouble-free operation and longevity of the centrifugal pump. In the last blog we described the use of …
Pump Minimum Flow Using a Cla-Val Back Pressure Valve
Minimum pump flow rate is critical to the trouble-free operation and longevity of the centrifugal pump. The pressure sustaining valve or back pressure valve is …
Pumping From an Atmospheric Tank: Pump and Tank Control (Part 3)
Let me start by wishing everyone a Happy and Prosperous New Year. This blog begins the 14th year of the R. L. Deppmann Monday Morning …
Pumping from an Atmospheric Tank: Pump and Tank Piping (Part 2)
What can be simpler than pumping water from an open or atmospheric tank into another tank or system? What seems simple to many opens a …
Pumping from an Atmospheric Tank: Pump Selection and Installation (Part 1)
What can be simpler than pumping water from an open or atmospheric tank into another tank or system? What seems simple to many opens a …
Sump and Sewage Pump Flow Rate & Minimum Run Time
The minimum run time in a sump, effluent, or sewage pump is determined by the flow rate and the volume of water in the basin …