Super Purchasing for Flat Roof Ventilation - Liquid Circulation Heat Exchangers – Holtop

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We support our prospective buyers with ideal top quality merchandise and superior level provider. Becoming the specialist manufacturer in this sector, we have now attained abundant practical expertise in producing and managing for House Heat Recovery System, Ac Air Handler, Commercial Ventilation System, Our company is dedicated to providing customers with high and stable quality products at competitive price, making every customer satisfied with our products and services.
Super Purchasing for Flat Roof Ventilation - 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
5 6

Product detail pictures:

Super Purchasing for Flat Roof Ventilation - Liquid Circulation Heat Exchangers – Holtop detail pictures

Super Purchasing for Flat Roof Ventilation - Liquid Circulation Heat Exchangers – Holtop detail pictures


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Attaining consumer satisfaction is our firm's purpose for good. We'll make wonderful efforts to produce new and top-quality merchandise, meet up with your special necessities and supply you with pre-sale, on-sale and after-sale products and services for Super Purchasing for Flat Roof Ventilation - Liquid Circulation Heat Exchangers – Holtop, The product will supply to all over the world, such as: Danish, Ecuador, Armenia, High output volume, top quality, timely delivery and your satisfaction are guaranteed. We welcome all inquiries and comments. We also offer agency service---that act as the agent in china for our customers. If you are interested in any of our products or have an OEM order to fulfill, please feel free to contact us now. Working with us will save you money and time.
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Factory equipment is advanced in the industry and the product is fine workmanship, moreover the price is very cheap, value for money!
5 Stars By Arthur from Mauritius - 2016.08.28 16:02
It's really lucky to find such a professional and responsible manufacturer, the product quality is good and delivery is timely, very nice.
5 Stars By Elsa from Jordan - 2015.05.22 12:13

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