The heat-rejecting side of the refrigeration cycle
The high-pressure, high-temperature refrigerant gas leaving the compressor gives up its heat to cooling water inside the condenser, condensing and turning back into a liquid.
Product group · Heat Transfer Products
Shell-and-Tube Condensers
The heat exchanger that rejects the heat carried by the refrigerant in the refrigeration cycle, turning it back into a liquid. It is the heat-rejecting side of chillers and industrial cooling plants.
CapacityProject-specific
FluidRefrigerant + water
Shell materialSteel / copper / titanium tube
Design pressure10 / 16 / 25 bar
Counter-flow operation · refrigerant gas on the left, cooling water on the right
Why it matters
What does a shell-and-tube condenser do?
This is the heat-rejecting side of the refrigeration cycle. Without a condenser, the compressed refrigerant gas can't turn back into a liquid, and the cycle can't complete.
Determines condensing pressure and efficiency
The condenser's heat transfer capacity directly affects the condensing pressure, and in turn the compressor's energy consumption.
Needs materials matched to cooling water quality
Mains water, cooling-tower water and seawater each carry different corrosion risks. Choosing the wrong material leads to early fouling and corrosion.
Delivers high efficiency together with a cooling tower
Condensers running on cooling-tower water generally offer higher efficiency and a smaller volume than air-cooled alternatives.
Types
Sub-types of condensers
All three condense the refrigerant gas; what sets them apart is the source of the cooling water and the tube material.
Water-cooled condenser
The standard type for medium-capacity cooling systems, running on mains or closed-circuit water. A copper tube bundle is generally sufficient.
- An economical and common solution
- Copper tube bundle
- Compatible with mains or closed-circuit water
Cooling-tower-water condenser
A type that runs on water from a cooling tower, delivering high efficiency and a compact shell in large-capacity chiller systems.
- High capacity-to-volume ratio
- Designed together with the cooling tower
- Needs periodic cleaning depending on water quality
Seawater / titanium-tube condenser
When the cooling water source is seawater or water with a high chloride content, where copper corrodes quickly, a titanium or special-alloy tube bundle is used.
- High corrosion resistance
- The standard choice for coastal facilities
- Higher cost than the standard type
Selection criteria
What data determines the right condenser?
Capacity alone isn't enough. Once the six points below are clear, the choice narrows to a single model.
ParameterWhy it mattersWhat we need from you
Condensing / heat rejection capacity
The heat load to be rejected; it directly determines the condenser's size and tube bundle area.
kW
Refrigerant type
R134a, R410A, ammonia, etc.; each requires a different material and pressure class.
Refrigerant name
Cooling water source and quality
Mains, cooling-tower or seawater; this determines the corrosion risk and the tube material choice.
Source type + water analysis
Condensing temperature and pressure
Operating pressure determines the tube wall thickness and material class.
°C and bar
Cooling water flow rate and temperature
Inlet–outlet temperatures and the flow rate affect the condenser's size and the pump selection.
m³/h + °C
Connection and installation
Flanged, threaded or welded connection; clarified based on integration with the existing line and the installation space.
Connection type and size
For a quote, having the following is enough
It's fine if you don't have all of it. We'll fill in the gaps together with you.
Create a quote request- Condensing / heat rejection capacity (kW)
- Refrigerant type
- Cooling water source (mains, tower, seawater)
- Cooling water flow rate and inlet–outlet temperature
- Water analysis / chloride level, if available
- Mechanical project or specification, if available
FAQ
Questions from the field
The questions we hear most often when quoting condensers.
What is the difference between a condenser and an evaporator?
An evaporator draws heat from the surroundings by vaporizing the refrigerant; a condenser rejects that heat back out, turning the refrigerant back into a liquid. They are the two complementary ends of the same cycle.
When is a cooling-tower-water condenser preferred?
In large-capacity chiller systems running together with a cooling tower, a cooling-tower-water condenser is preferred because it delivers higher efficiency and a smaller volume than an air-cooled alternative.
When is a seawater or titanium-tube condenser needed?
If the cooling water source is seawater or water with a high chloride content, standard copper tube corrodes quickly. In these cases, a titanium or special-alloy tube bundle is used.
What happens if a condenser gets fouled?
Fouling lowers heat transfer and raises the condensing pressure; this increases compressor energy use and lowers the system's efficiency. Regular water analysis and periodic cleaning reduce this risk.
Do you only serve Istanbul?
No. While our office is on Istanbul's Anatolian side (Ataşehir), we supply and ship across Istanbul's European side, the surrounding provinces and the Marmara region, and Turkey as a whole — covering your equipment end to end, from a single source.
Next step
Let's clarify what you need together
Share your fluid type, capacity and operating conditions, and let's work out the right evaporator, condenser or dry cooler together.
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