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Category: Chilled Water System

link to Chilled Water Pipe Insulation: Thickness, Chart & Calculation

Chilled Water Pipe Insulation: Thickness, Chart & Calculation

Chilled water pipes must be insulated to prevent condensation as well as conserve energy. Many junior engineers don't quite understand how the thickness of chilled water pipe insulation is...

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link to How Cooling Towers Work? (HVAC Applications)

How Cooling Towers Work? (HVAC Applications)

Cooling towers are one of the major components of HVAC. They are used to reject heat in chilled water systems. Many people don't actually realize the principle behind cooling towers. So, how cooling...

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link to What is Chiller Lift?

What is Chiller Lift?

When it comes to improving chiller efficiency, the term chiller lift keeps repeating. Chiller lift does affect chiller efficiency. So, what exactly is chiller lift? How does it affect chiller...

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link to Hydronic Balancing Basics (Chilled Water System)

Hydronic Balancing Basics (Chilled Water System)

Hydronic balancing is important to the efficiency and effectiveness of chilled water system. However, many engineers find it very difficult to understand. So, I did some intensive studies. Liquid...

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link to What is Reverse Return Piping?

What is Reverse Return Piping?

Reverse return piping setup is not uncommon in both the chilled water system and hot water system. It promised to provide a balanced hydronic system. But, I'm curious to see if it is true. So, I did...

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link to What is Net Positive Suction Head? (Centrifugal Pump)

What is Net Positive Suction Head? (Centrifugal Pump)

A sufficient net positive suction head is one of the requirements of centrifugal pumps. Without it, centrifugal pumps will not move water and cavitation may occur thereby damaging the pumps. So, I...

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About Me

Hi, my name is Yu Chang Zhen. I've been working as a professional in the HVAC industry for more than 7 years, covering from design and installation to commissioning and maintenance. With my experience, I want to help people solve their HVAC problems. Welcome, I hope you can find your solutions here.

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