China Manufacturer for 150m3/h Airflow Fresh Air Ventilator - Liquid Circulation Heat Exchangers – Holtop

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China Manufacturer for 150m3/h Airflow Fresh 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
5 6

Product detail pictures:

China Manufacturer for 150m3/h Airflow Fresh Air Ventilator - Liquid Circulation Heat Exchangers – Holtop detail pictures

China Manufacturer for 150m3/h Airflow Fresh Air Ventilator - Liquid Circulation Heat Exchangers – Holtop detail pictures


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Reliable quality and good credit standing are our principles, which will help us at a top-ranking position. Adhering to the tenet of "quality first, customer supreme" for China Manufacturer for 150m3/h Airflow Fresh Air Ventilator - Liquid Circulation Heat Exchangers – Holtop, The product will supply to all over the world, such as: Anguilla, Tunisia, Amsterdam, We have a strict and complete quality control system, which ensures that each product can meet quality requirements of customers. Besides, all of our products have been strictly inspected before shipment.
  • Production management mechanism is completed, quality is guaranteed, high credibility and service let the cooperation is easy, perfect!
    5 Stars By Clementine from Mauritius - 2015.07.12 12:19
    The company's products very well, we have purchased and cooperated many times, fair price and assured quality, in short, this is a trustworthy company!
    5 Stars By Daisy from Peru - 2015.06.05 13:10

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