Top Quality Air Ventilation System 380 220 Volt Exhaust Fan - Cross Counterflow Heat Exchangers – Holtop

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Top Quality Air Ventilation System 380 220 Volt Exhaust Fan - Cross Counterflow Heat Exchangers – Holtop Detail:

Working principle of Cross Counterflow Sensible Air to Air Plate Heat Exchangers

Two neighbor aluminum foils form a channel for fresh or exhaust air stream. Heat is transferred when the partial air streams flow crossly and partial air streams flow counter through the channels, and fresh air and exhaust air is totally separated.

Main features
1.Sensible heat recovery
2.Total separation of fresh & exhaust air streams
3.Heat recovery efficiency up to 90%
4.2-side press shaping
5.Single folded edge
6.Completely joint sealing.

2-side pressed shaping

Single folded edge

@3 times plate thickness

Completely joint sealiing

Performance chart

All data figured out above air tested according to GBT 21087-200

Specifications

Model	A(mm)	B(mm)	Length per piece (C)	Optional spacing (mm)
HBS-LB539/316	316	539	Custom-made Max. 650mm	2.1

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Our products are widely recognized and trusted by users and can meet continuously developing economic and social needs for Top Quality Air Ventilation System 380 220 Volt Exhaust Fan - Cross Counterflow Heat Exchangers – Holtop, The product will supply to all over the world, such as: belarus, Nairobi, Birmingham, Due to our strict pursues in quality, and after-sale service, our product gets more and more popular around the world. Many clients came to visit our factory and place orders. And there are also many foreign friends who came for sight seeing, or entrust us to buy other stuff for them. You are most welcome to come to China, to our city and to our factory!

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The factory technical staff not only have high level of technology, their English level is also very good, this is a great help to technology communication.