industrial glycol chiller system Water cooled screw chiller

Industrial glycol chiller system Water cooled screw chiller OMC-240WDL, Temperature control -35℃ to +5℃ Low temperature glycol chiller.
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Industrial glycol chiller system Water cooled screw chiller

Glycol chiller is one kind of low-temperature chiller using glycol water as the circulating coolant to achieve minus temperature for industrial and process applications.

A chiller is a type of refrigeration system that cools a tub of glycol to reduce its temperature. The glycol is then pushed through a closed circuit of tubing or piping that is connected to the glycol chiller. This circulates cooled glycol and helps to reduce the temperature of whatever is attached to the system.


Oumal is a professional glycol chiller manufacturer and supplier for over 15 years.

As the leading glycol chiller company, Oumal provides various of glycol chillers from 1.5ton to 120ton refrigeration capacity, and air-cooled glycol chiller and water-cooled glycol chiller based on your specific requirements.


Why do we need to add glycol into the chiller?


As we know, water will be iced once the temperature getting 0℃ or even below, glycol is helping water anti-freezing into iced, that’s why we call it is glycol chiller.

Using a glycol-water mix as a chiller coolant has various benefits over the use of plain water as a chiller fluid. These advantages are due to its unique physical properties which include a lower freezing point than water.


Generally, A glycol chiller plant is composed of a refrigeration component and tubing containing a glycol-water mixture as coolant. Chilled fluid from the refrigeration unit is channeled through the piping associated with a thermal exchanger surrounding a heated process. After absorbing heat from the associated process, the warmed coolant is returned to the refrigeration unit for cooling after which the process is repeated.


For many chiller types, ethylene glycol is mixed with water at a ratio of 60/40. This higher percentage of glycol boosts the mixture’s antifreeze properties significantly. This is useful in cases where rapid cooling is required. In these situations, a process can be cooled to very low temperatures without freezing the coolant within its piping.


A conventional water chiller works on the principles of heat transmission between various mediums both fluid and solid. These cooling systems work either by heat absorption or vapor compression. The basic components of a water chiller system include a refrigeration unit and a piping system that circulated chilled coolant.

 Glycol chiller water cooled screw chiller Products Information

●:Temperature control -35℃ to 5℃

●:Glycol water cooled screw chiller use shell and tube evaporator

●:Glycol mixture or salt marine suitable

●:Screw or piston compressor available

●:Safety protection covered low-temperature chiller

●:Schneider electrical components

●:PLC / Touch screen/Mic-computer control panel.

The working diagram of glycol chiller:


1. The compressor of glycol chiller

Oumal glycol chiller uses top brand scroll or screw-type compressor features energy efficiency, low noise, and long service time.

In order to ensure that the pressure inside the evaporator is low enough and that the refrigerant is at such a low temperature, the compressor is used to pump out the evaporated refrigerant and compress the low temperature and pressure into the high temperature and pressure refrigerant gas.


2. Condenser for a glycol chiller

 Glycol chiller designed by Oumal using air-cooled type or water-cooled type condenser for your choice.

The refrigerant with high temperature and pressure is condensed into liquid in the condenser. The refrigerant in the condenser releases heat in the middle of air or water with a lower temperature than it.


3. Thermal expansion valve in a glycol chiller

The thermal expansion valve plays an important role in a glycol chiller. The refrigerant of glycol chiller drops from the condensation pressure to the evaporation pressure, so the liquid from the condenser can be placed in the liquid receiver.

At this time, the refrigerant is in the state of normal temperature and high pressure, and then passes through the expansion valve to reduce the boiling point, and the liquid enters the evaporator to absorb heat and evaporate.


4. The evaporator in a glycol chiller

There is two type of evaporator in glycol chiller- shell & tube type and plate heat exchanger.

After passing through the thermal expansion valve, the low-temperature and low-pressure refrigerant liquid exchanges with the evaporator.

Once the heat is absorbed, it becomes saturated or overheated steam, which can be returned to the compressor for refrigeration.


With 15 years of design and make glycol chillers, Oumal is willing to provide all types of high-quality glycol chillers for our valued customers.

Low Temperature Chiller Application

All low-temperature chillers manufactured by OUMAL, supplying constant glycol water is the ideal cooling partner for breweries, wineries, cider mills, and spirits, beverage, dairy milk, yogurt machine, laboratories, semiconductor, medical, pilot plants, and some other applications that require accurate and precise ultra-low temperature control.

Screw type chiller

Glycol water cooled screw chiller Products Specification 

    Item                                     Model OMC-240WDL
Norminal cooling capacity Temp -10℃ 445.4
-20℃ 304.2
-30℃ 190.0
Input Power KW 209.6
Power Supply 3PH-380V/415V 50HZ(220V/440V  60HZ))
Refrigerant Type R22 (R404A)
Control Mode Expansion Valve
Compressor Type Semi-Hermetic Screw
Power KW  209.6
Start-up Mode Y-
Capacity Control 0-25-50-75-100 (0-33-66-100)
Evaporator Type  Temp Shell and Tube
Chilled water flow -10℃ m3/h 76.6
-20℃ 52.3
-30℃ 32.7
Pipe Diameter Inch 6“
Condenser  Type Shell and Tube
Cooling water flow m3/h 112.3
Pipe Diameter Inch 6"
Dimension Length mm 3460
Width mm 1550
Height mm 1820
Net Weight kg 3160
Running Weight kg 3400
Safety Protection: Compressor over temperature protection, over load protection, high and low pressure protection, anti-freezing protection, reversed and lacking phase protection, fusible blug, flow switch

Package and Shipping


Q1: Could you help us to recommend the model for our project?

A1: Yes, we have engineer to check the details and make the scheme for you. Based on the following:

1)Cooling capacity;

2)chilled water inlet and outlet temperature

3)chilled water flow

4) Refrigerant;

5) Ambient temperature;


7) Be used for what industry?

8)Any other special requirements?

Q2: How to ensure your product with good quality?

A2: All our products with CE certificate. And use the well-know brand accessories, such as copeland, danfoss,Hanbell, Bitzer compressor Emerson expansion Valve, Siemens controller.

also can be customized. All OUMAL Chillers are factory tested under load conditions to ensure good quality and easy installation for users

Q3: What's the warranty?

A3: 15 months warranty for free if confirmed by both side damage in the quality reason.

Q4: Whats your payment term?

A4: We accept T/T, LC, Western Union, etc. Normally, 30% deposit for production, 70% balance before shipment.

Q5: Are you a manufacturer?

A5: Yes, we have more than 15 years in water chiller business. Also have patent on the water chiller appearance.

The control box design make the unit safety and stably.

Q6: How can i Place an order

A6: Click Below to fill the table or Call 0086 15112554736

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