High Performance Motorized Air Damper - Liquid Circulation Heat Exchangers – Holtop

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We persist with the principle of "quality 1st, assistance initially, continual improvement and innovation to meet the customers" for your management and "zero defect, zero complaints" as the standard objective. To great our service, we present the products and solutions while using the very good top quality at the reasonable cost for Grow Room Ventilation System , Central Station Air Handling Unit , Air Heat Exchanger , Welcoming interested businesses to cooperate with us, we look forward to owning the opportunity of working with companies around the planet for joint expansion and mutual results.
High Performance Motorized Air Damper - 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:

High Performance Motorized Air Damper -
 Liquid Circulation Heat Exchangers – Holtop detail pictures

High Performance Motorized Air Damper -
 Liquid Circulation Heat Exchangers – Holtop detail pictures


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All we do is always associated with our tenet " Customer first, Trust first, devoting on the food packaging and environmental protection for High Performance Motorized Air Damper - Liquid Circulation Heat Exchangers – Holtop, The product will supply to all over the world, such as: Madras , Saudi Arabia , Cambodia , We warmly welcome you to come to visit us personally. We hope to establish a long-term friendship based on equality and mutual benefit. If you want to get in touch with us, please do not hesitate to call. We will be your best choice.
  • Problems can be quickly and effectively resolved, it is worth to be trust and working together.
    5 Stars By Rae from Madras - 2016.08.18 11:04
    Hope that the company could stick to the enterprise spirit of "Quality, Efficiency, Innovation and Integrity", it will be better and better in the future.
    5 Stars By Mario from El Salvador - 2015.06.28 19:27

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