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

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Our company since its inception, always regards product quality as enterprise life, continuously improve production technology, improve product quality and continuously strengthen enterprise total quality management, in strict accordance with the national standard ISO 9001:2000 for Dehumidifiers For Sale, Recovery Energy, Ahu, Welcome all customers of home and abroad to visit our company, to forge a brilliant future by our cooperation.
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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We have our own sales team, design team, technical team, QC team and package team. We have strict quality control procedures for each process. Also, all of our workers are experienced in printing field for OEM/ODM Supplier Return Air Grille - Liquid Circulation Heat Exchangers – Holtop, The product will supply to all over the world, such as: St. Petersburg, Vietnam, New Zealand, Our company is working by the operation principle of "integrity-based, cooperation created, people oriented, win-win cooperation". We hope we can have a friendly relationship with businessman from all over the world.
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Product quality is good, quality assurance system is complete, every link can inquire and solve the problem timely!
5 Stars By Jason from Mauritius - 2016.06.22 12:49
Speaking of this cooperation with the Chinese manufacturer, I just want to say"well dodne", we are very satisfied.
5 Stars By Christina from Bolivia - 2016.06.22 12:49

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