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Material
The cross & counter flow heat exchanger is made of anti-corrosive hydrophilic aluminum foil and
galvanized sheet framework, process by special technology, with high heat transfer efficiency,
also easy to maintain and have long service time, etc.

Concave&convex sheet Five layer curring 90° 45°
Working principle
The cross & counter flow heat exchanger, for its two air streams, one part them is cross flow, and
other part is counter flow, combined the working methods both cross flow and counter flow heat
exchanger heat, achieve more higher heat efficiency.



Cross-counter flow
Feature
1. Adopted high quality corrosion resistant hydrophilic aluminum foil as heat conductor, processed
by special technics, high efficiency, easy to maintain, and long service time, etc.
2. Module structure and superposed thickness can be choice.
3. No running components, and low maintenance cost.
4. Compact structure, small volume and suitable for various occasions.
Production technology
1. The face of heat recovery unit processed with strengthened heat transfer stamping, increased
the 10% heat transfer area.
2. Adopted punch Concavo-convex cylinder as air channel support, guaranteed the strength and
tightness of Channel, also could bear high air pressure.
3. Between outdoor air and exhaust air channel, separated by aluminium foil, entry and exit edge
processed with five layer crimping techniques, ensured the excellent air tightness.
4. All joints are airproofed by airproof glue, ensured that the heat exchanger has excellent air tightness.
Model range

| Dimension (mm) | Plate distance (mm) | |||
| A | B | C | D90 | |
| On request ≤1000 | On request ≤600 | On request ≤1000 | 90° | 2.0-8.0 |
Applied range
The cross & counter flow heat exchanger is the major part of heat recovery ventilator.The heat
exchanger controlled the ventilation, recover the heat energy in winter and cold energy in summer,
not only save the energy but also give room for fresh air.

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