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

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We insist over the principle of development of 'High top quality, Performance, Sincerity and Down-to-earth working approach' to supply you with exceptional services of processing for Fresh Air Supply, Home Vent, Fresh Air Vent, We persistently develop our enterprise spirit "quality lives the enterprise, credit assures cooperation and keep the motto in our minds: customers first.

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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