Find high quality tunnel door system with competitive price here. Please rest assured to buy tunnel door system with Qingdao Rilian Huabo Technology Co.Ltd

Huabo Tunnel Door System

Features

1.3tier sandwich insulation panels (FRP + PS + fiberglass), to prevent energy loss;

2.Continuous EPDM foam seal to resist harmful wind and prevent leakage;

3.Completely closed during the winter, insulation performance is eight times more  than the normal curtain;

4.With sufficient stiffener to prevent bending, deformation and not sealed tightly.

5.Each rib with adjustable arm garbage, save your force to adjust clamping force.

6.Eliminate the dead angle of inlet of cooling pad when tunnel ventilati-on.

7.Eliminate a large area ventilation Dead angle on both sides of the w-all when tunnel ventilation.

8.Control airflow direction, screwed air, better mixing with the air.

9.Heating costs lower than normal curtain about 15%.

10.You can easily adjust the opening in accordance with instructions issued by the controller.

Tunnel Ventilation Mode

Advantages:

1.In tunnel ventilation mode,adjust the air intake volume to gain suitable longitudinal ventilation speed and decrease the dead zones.

2.Doors made of insulation material,to reduce heat loss when outside temperature is much lower than inside.

3.Tunnel doors frame sealed with auto industry door sealing technology ,which can prevent wind entering and avoid stress reaction of birds.

4.Modular panel design,easy and quick for installation.

Comparision

Transmission System 

Using in Farm                                        

Farm 1

Farm 2