Parallel Pumping Sketch
Parallel Pumping Sketch

Parallel Pumping: 2-Position Control Valves on Multiple Cooling Towers (Part 5)

RL DeppmannSelection and Specification, Cooling Towers, Piping and Pumps, Parallel Pumping, Parallel Pumping, Monday Morning Minutes, Commissioning and Balance, Cooling Towers, Pumps, Hydronic System Design

Over the last few weeks the Monday Morning Minutes posts have looked at pumping issues with multiple condensers and pumps. One of our most-received questions …

Small Drawing of Header Supply and Return
Small Drawing of Header Supply and Return

Parallel Pumping with Unequal Condensers (Part 4)

RL DeppmannPiping and Pumps, Parallel Pumping, Parallel Pumping, Monday Morning Minutes, Commissioning and Balance, Cooling Towers, Pumps, Hydronic System Design, Selection and Specification, Cooling Towers

Over the last few weeks our Monday Morning Minutes posts have looked at pumping issues with parallel, equal-sized condensers and pumps. This week we will look …

Metraflex LPD Y strainer
Metraflex LPD Y strainer

Parallel Pumping in Condenser Applications: Automatic Differential Pressure Control (Part 3)

RL DeppmannMonday Morning Minutes, Cooling Towers, Pumps, Hydronic System Design, Selection and Specification, Cooling Towers, Piping and Pumps, Parallel Pumping, Parallel Pumping, Commissioning and Balance

Chilled water condensers are normally operated as constant-flow devices and the pumps serving them are constant-speed. Why would you ever use a variable-speed drive for …

Griswold Wafer
Griswold Wafer

Parallel Pumps in Condenser Applications: Limiting the Flow Rate (Part 2)

RL DeppmannPumps, Hydronic System Design, Selection and Specification, Cooling Towers, Piping and Pumps, Parallel Pumping, Parallel Pumping, Monday Morning Minutes, Commissioning and Balance, Cooling Towers

In part 1 of this series we offered an example condenser water pumping system. The design of this example is 800 GPM per condenser for …

Pulse Technology
Pulse Technology

“What is Pulse Technology?” and “Why We Use it to Affect Water Quality.” – Part 3

RL DeppmannMonday Morning Minutes, Glycol and Water Quality, Cooling Towers, Cooling Towers, Energy and Water Saving

The objective of water treatment is to:
*INHIBIT CORROSION, prevent mineral scale & control bacteria, biofilm & legionella. In this Monday Morning Minute, we will discuss the technology and the effect that pulse technology via the Griswold Wave product provides specific to corrosion inhibition.

Pulse Technology Part 2
Pulse Technology Part 2

“What is Pulse Technology?” and “Why We Use it to Affect Water Quality.” – Part 2

RL DeppmannMonday Morning Minutes, Glycol and Water Quality, Cooling Towers, Cooling Towers, Energy and Water Saving

The objective of water treatment is to: *CONTROL BACTERIA, BIOFILM AND LEGIONELLA, Inhibit Corrosion, & Prevent Mineral Scale. In this Monday morning minute, we will discuss the technology and the effect that pulse technology via the Griswold Wave product provides specific to microbial control.

Pulse Tech Diagram
Pulse Tech Diagram

“What is Pulse Technology?” and “Why We Use it to Affect Water Quality.” – Part 1

RL DeppmannMonday Morning Minutes, Glycol and Water Quality, Cooling Towers, Cooling Towers, Energy and Water Saving

The objective of water treatment is to: PREVENT MINERAL SCALE*, Control Bacteria, Biofilm And Legionella, & Inhibit Corrosion. In this Monday morning minute, we will discuss the technology and effect that pulse technology via the Griswold Wave product provides specific to mineral scale prevention.