Online Exporter Aluminum Return Air Grille - Cross Counterflow Heat Exchangers – Holtop

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We're convinced that with joint endeavours, the business between us will bring us mutual benefits. We are able to guarantee you products high quality and competitive value for Central Air Conditioning Units, Whole House Air Exchanger, Chiller Air Conditioner, We cordially welcome customers from at home and abroad to join us and cooperate with us to enjoy a better future.

Online Exporter Aluminum Return Air Grille - 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

Product detail pictures:

We believe in: Innovation is our soul and spirit. Quality is our life. Shopper need is our God for Online Exporter Aluminum Return Air Grille - Cross Counterflow Heat Exchangers – Holtop, The product will supply to all over the world, such as: Sheffield, US, Morocco, Further, we are supported by highly experienced and knowledgeable professionals, who have immense expertise in their respective domain. These professionals work in close coordination with each other to offer our clients an effective range of products.

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The customer service staff's answer is very meticulous, the most important is that the product quality is very good, and packaged carefully, shipped quickly!