Short Lead Time for Exhaust Air Vent Suppliers - Liquid Circulation Heat Exchangers – Holtop

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Being supported by an advanced and professional IT team, we could offer technical support on pre-sales & after-sales service for Roof Ventilation, Indoor Fans, Fresh Air Systems For Homes, We stick to providing integration solutions for customers and hope to build long-term, stable, sincere and mutual beneficial relationships with customers. We sincerely look forward to your visit.

Short Lead Time for Exhaust Air Vent Suppliers - 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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Adhering for the theory of "quality, services, performance and growth", we have received trusts and praises from domestic and worldwide shopper for Short Lead Time for Exhaust Air Vent Suppliers - Liquid Circulation Heat Exchangers – Holtop, The product will supply to all over the world, such as: Guyana, South Korea, Guinea, Due to our strict pursues in quality, and after-sale service, our product gets more and more popular around the world. Many clients came to visit our factory and place orders. And there are also many foreign friends who came for sight seeing, or entrust us to buy other stuff for them. You are most welcome to come to China, to our city and to our factory!

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Superb technology, perfect after-sales service and efficient work efficiency, we think this is our best choice.

By Judy from Leicester - 2016.10.25 15:53

The company can think what our think, the urgency of urgency to act in the interests of our position, can be said this is a responsible company, we had a happy cooperation!

By Priscilla from Montreal - 2016.05.31 13:26