High reputation Turbo Exhaust Fan - Liquid Circulation Heat Exchangers – Holtop

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"Quality initially, Honesty as base, Sincere company and mutual profit" is our idea, in order to create repeatedly and pursue the excellence for Mechanical Ventilation System, Air Recovery System, Passive Ventilation, To supply prospects with superb equipment and providers, and constantly build new machine is our company's organization objectives. We look ahead for your cooperation.

High reputation Turbo Exhaust Fan - Liquid Circulation Heat Exchangers – Holtop Detail:

Liquid Circulation Heat Exchanger

Working Principle

Liquid circulation heat exchanger is liquid to air heat exchanger, heat exchangers installed in both fresh air side and exhaust air side, the pump between the 2 heat

exchangers make the liquid circulate then the heat in the liquid preheat or precool the fresh air. Normally the liquid is water but in order to decrease the freezing point,

moderate ethylene glycol will be added into the water according to reasonable percentage.

Features

(1) Fresh air and exhaust air heat exchanged by separated liquid pipes, zero cross contamination.Suitable for hospital, germfree lab and industries which discharge

poisonous and harmful gas.

(2) Stable and reliable operation, long service life

(3) Flexible connection between fresh air and exhaust air exchangers, easy installation which is convenient for old AHU improvement.

(4) Accessories like water pump, heat exchangers are conventional, easy and low maintanence costs.

(5) Wide range of application, various connection ways like one to one, one to many or many to many.

Specifications

(1) Liquid circulation heat exchanger is sensible heat exchanger, efficiency is between 55% to 60%.

(2) Suggested rows are 6 or 8, face velocity not over 2.8m/s

(3) The choice of circulating pump can refer to the fresh air and exhuast air pressure drop and the waterflow pressure drop.

(4) Air flow direction has significant effect on the heat recovery efficiency, influence rate up to 20%.

(5) Freezing point of the hybrid ethylene glycol and water should be 4 to 6 celsius lower than the local minimum winter outdoor temperature, percentage of hybridcan

be refered to the following table.

Freezing point	-1.4	- 1.3	-5.4	-7.8	-10.7	-14.1	-17.9	-22.3
Weight percentage (%)	5	10	15	20	25	30	35	40
Volume percentage (% )	4.4	8.9	13.6	18.1	22.9	27.7	32.6	37.5

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As for competitive selling prices, we believe that you will be searching far and wide for anything that can beat us. We will state with absolute certainty that for such excellent at such charges we are the lowest around for High reputation Turbo Exhaust Fan - Liquid Circulation Heat Exchangers – Holtop, The product will supply to all over the world, such as: Algeria, French, Rio de Janeiro, Due to our dedication, our products are well known throughout the world and our export volume continuously grows every year. We will continue to strive for excellence by providing high quality products that will exceed the expectation of our customers.

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We feel easy to cooperate with this company, the supplier is very responsible, thanks.There will be more in-depth cooperation.