Centrifugal Pumps – Series Pumping
Series pumping systems are used less in hydronic and plumbing systems than parallel pumping. That said, there are series pumping systems out in mechanical rooms. …
Centrifugal Pumps – When and How to Use Parallel Pumping
Parallel pumping is a preferred method of design for many hydronic and plumbing system applications. Today we describe five examples when you may want to …
Centrifugal Pumps – Parallel Pumping
There are many advantages to operating two identical pumps at the same time. This method of pumping is called either parallel or series pumping. Today …
Smart Variable Speed Centrifugal Pumps: Part 2 (Base Mounted)
Larger centrifugal pumps with horsepower over five are a great place to save energy in HVAC and plumbing systems. Historically, these larger pumps were typically …
Smart Variable Speed Centrifugal Pumps: Part 1 (Line Mounted)
This week and next we will talk about centrifugal pumps with the variable speed technology built into them. These pumps are called “Smart pumps.” Why …
B&G Systemwize: Overspeeding of Variable Speed Pumps
The term “overspeeding” in pump selection and operation is a topic of conversation in the world of hydronic design. When asked about this subject I …
Control Head: Quiz Answers and a Thought on Variable Speed Pump Selection
In the last R. L. Deppmann Monday Morning Minutes (MMM), What is Control Head in Hydronic Variable Speed Pumping?, we mentioned a quiz and asked …
What is Control Head in Hydronic Variable Speed Pumping?
Control head is a term used in many different industries. What is the control head in our world of variable speed pumping hydronic and plumbing …
Variable Speed Pump Motors and Drives
Danfoss VFD Motor Efficiency Terms Bell & Gossett ECM Pump Variable speed centrifugal pumps in building heating, cooling, and plumbing systems use a …