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

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We have quite a few great team customers very good at internet marketing, QC, and dealing with kinds of troublesome trouble while in the output approach for Ventilator , Ventilation System Cost , Heat Recovery Ventilation System , Our company is working through the procedure principle of "integrity-based, cooperation created, people oriented, win-win cooperation". We hope we can have a pleasant relationship with businessman from all around the earth.
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
5 6

Product detail pictures:

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

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


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Our target should be to consolidate and improve the high-quality and repair of current goods, in the meantime regularly produce new solutions to meet unique customers' needs for OEM/ODM Supplier Return Air Grille - Liquid Circulation Heat Exchangers – Holtop, The product will supply to all over the world, such as: Niger , Pakistan , Sudan , We are fully aware of our customer's needs. We provide high quality products, competitive prices and the first class service. We would like to establish good business relationships as well as friendship with you in the near future.
  • The factory can meet continuously developing economic and market needs, so that their products are widely recognized and trusted, and that's why we chose this company.
    5 Stars By Ida from azerbaijan - 2015.09.23 17:37
    In our cooperated wholesalers, this company has the best quality and reasonable price, they are our first choice.
    5 Stars By Anastasia from Mongolia - 2015.09.19 18:37

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