\In the last two MMM articles, we used examples of pipe selection for water and other fluids. Using the PC version of the Xylem Bell …
The Bell and Gossett System Syzer® – Changing the Fluid Properties
Last week we used the ITT Bell and Gossett System Syzer hand wheel to select a pipe size for 800 GPM. We also used the …
The Bell and Gossett System Syzer® – The Hand Wheel Scales 2 and 3
Many engineers and contractors in the HVAC industry are familiar with the B&G red-white-blue System Syzer wheel and use it often for Scale 2 pipe …
Centrifugal Pump Readout for Contractors
The proper readout of a centrifugal pump in a hydronic system is important. Pump readout will determine the head pressure the pump is developing which …
Open Cooling Tower Pump Suction Piping Part 3
We continue to look at air issues and swirling issues in this third segment of cooling tower pump suction piping. We also provide you …
Open Cooling Tower Pump Suction Piping Part 2
Centrifugal pumps find open cooling tower applications are the toughest duty there is in hydronic cooling systems. We are always concerned about the pressure at …
A Cooling Tower Choice Solves Water Quality Issues and Saves the Planet
What’s lurking in your traditional open cooling tower basin? There is increasing concern about the sediment build-up, algae growth, and bacteria growth in open cooling …
Open Cooling Tower Pump Suction Piping Part 1
Centrifugal pumps find open cooling tower applications are the toughest duty there is in hydronic cooling systems. Pumps do best with piping systems that provide …
Open System Curves in Hydronic & Plumbing Systems
System curves give insight into energy analysis, pump operation, and control setting analysis. Unlike closed hydronic systems, open systems rarely have a system curve that …
Hydronic Centrifugal Pumps – Open & Closed System Discharge Piping
The pump discharge is the most turbulent location in a hydronic system. There are simple rules to follow when piping up a pump discharge. Today, …