“Cooling cycle: the compressor, condenser, expansion valve, and evaporator working together to cool the air. ”

Identification of Trainers

Ceramic (example: 2D 103 J):… See more

This explains the flow of refrigerant circulation in a split air conditioner: Evaporator (absorbs heat) → Compressor (compresses gas) → Condenser (removes heat) → Capilar (reduces pressure) → Return to evaporator.

Types of Compressor

HP (HIGH PRESSURE)

LP (LOW PRESSURE)

Pump head calculation doesn't have to be complicated. Here's the simple breakdown."

Whether you're designing a small-scale booster station or planning an entire municipal water network, understanding pump head is crucial. It determines the pressure a pump must overcome to move fluid efficiently from one point to another and when miscalculated, it can result in poor system performance or even total failure.

So, how do we break down the math of Total Dynamic Head (TDH)?

The Core Equation:

TDH = Static Head + Friction Losses + Velocity Head

Static Head: The vertical height the fluid must be lifted.

Friction Losses: Pressure losses due to pipe material, diameter, length, and fittings.

Velocity Head: Energy due to the speed of the fluid (usually minor, but included for accuracy).

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Basic Unit Conversion Table for Square ² (Area) Units

AC Sizing Calculation

Products used in HVAC - AHU
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