China Factory for Refrigeration Unit - Liquid Circulation Heat Exchangers – Holtop

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We normally follow the basic principle "Quality Initial, Prestige Supreme". We've been fully committed to offering our consumers with competitively priced good quality merchandise, prompt delivery and professional support for Commercial Hrv, Commercial Air Handling Unit, Recovery Heat Exchanger, We always stick to the principle of "Integrity, Efficiency, Innovation and Win-Win business". Welcome to visit our website and do not hesitate to communicate with us. Are you ready? ? ? Let us go!!!

China Factory for Refrigeration Unit - 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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Being supported by an highly developed and specialist IT team, we could give technical support on pre-sales & after-sales service for China Factory for Refrigeration Unit - Liquid Circulation Heat Exchangers – Holtop, The product will supply to all over the world, such as: Cologne, Buenos Aires, Malta, With strong technical strength and advanced production equipment, and SMS people purposefully , professional, dedicated spirit of enterprise. Enterprises took the lead through the ISO 9001:2008 international quality management system certification, CE certification EU ; CCC.SGS.CQC other related product certification. We look forward to reactivating our company connection.

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The sales person is professional and responsible, warm and polite, we had a pleasant conversation and no language barriers on communication.

By Octavia from Afghanistan - 2016.06.19 13:51

The customer service reprersentative explained very detailed, service attitude is very good, reply is very timely and comprehensive, a happy communication! We hope to have a opportunity to cooperate.

By Barbara from Jamaica - 2016.08.15 12:36