Special Design for Solar Air Ventilator - Liquid Circulation Heat Exchangers – Holtop

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We believe that long expression partnership is often a result of top of the range, value added service, prosperous encounter and personal contact for Heatexchanger, Heat Exchanger For Sale, Positive Input Ventilation, Standing still today and looking into the future, we sincerely welcome customers all over the world to cooperate with us.

Special Design for Solar Air Ventilator - 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 commission should be to provide our end users and clients with very best excellent and aggressive portable digital products and solutions for Special Design for Solar Air Ventilator - Liquid Circulation Heat Exchangers – Holtop, The product will supply to all over the world, such as: Monaco, Vietnam, Bhutan, We also have good cooperation relationships with many good manufacturers so that we can provide almost all of auto parts and after-sales service with high quality standard,lower price level and warmly service to meet demands of customers from different fields and different area.

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The factory technical staff not only have high level of technology, their English level is also very good, this is a great help to technology communication.

By Jean from Portland - 2016.12.02 14:11

This company has a lot of ready-made options to choose and also could custom new program according to our demand, which is very nice to meet our needs.

By Megan from Jamaica - 2015.11.22 12:28