OEM/ODM Supplier Return Air Grille - Liquid Circulation Heat Exchangers – Holtop

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Gaining customer satisfaction is our company's aim forever. We will make great efforts to develop new and top-quality products, meet your special requirements and provide you with pre-sale, on-sale and after-sale services for Plate Heat Exchanger, Hrv Heating, Plate Heat Exchanger Manufacturers, We have now deep cooperation with hundreds of factories all over China. The goods we give can match with your different calls for. Choose us, and we won't make you regret!

OEM/ODM Supplier Return Air Grille - 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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Our primary objective is always to offer our clients a serious and responsible small business relationship, offering personalized attention to all of them for OEM/ODM Supplier Return Air Grille - Liquid Circulation Heat Exchangers – Holtop, The product will supply to all over the world, such as: Jamaica, Bhutan, Bahamas, Whether selecting a current product from our catalog or seeking engineering assistance for your application, you can talk to our customer service center about your sourcing requirements. We can provided good quality with competitive price for you personally.

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A good manufacturers, we have cooperated twice, good quality and good service attitude.

By Hulda from Suriname - 2016.09.09 10:18

This company conforms to the market requirement and joins in the market competition by its high quality product, this is an enterprise that have Chinese spirit.

By Miriam from Lahore - 2016.04.28 15:45