Optimal Hand Adjustable Flap HKS 20 for Your Ventilation Needs
The Hand Adjustable Flap HKS 20 is the ideal solution for ensuring controlled air circulation in your room. This special flap is made from high-quality, UV-resistant plastic and offers a nominal width of 20 mm. The flap efficiently closes thanks to a spring support, preventing the ingress of cold air as well as dirt, birds, and larger insects when the fan is not in operation.
The HKS series is hand-adjustable and allows for easy adjustment via a pull cord. This makes the HKS 20 an excellent choice for anyone looking for a user-friendly and effective solution. This variant differs from the Hand Adjustable Flap HKS 15, which has a nominal width of 15 mm. Other variants in the HKS series include nominal widths of 25 mm, 30 mm, 35 mm, 40 mm, 45 mm, and 50 mm.
The choice of the right nominal width depends on your specific requirements. Here are some decision criteria:
- Airflow Requirement: Determine how much air your system needs.
- Space Conditions: Check which nominal width fits in your existing space.
- Purpose: Whether for supply or exhaust air, the HKS 20 is versatile.
The Hand Adjustable Flap HKS 20 is not only functional but also easy to install and comes with mounting materials. It offers a maximum airflow speed of up to 12 m/s and is suitable for various applications in ventilation technology.
Here are the key similarities and differences of the HKS variants:
| Model | Nominal Width (NW) |
| HKS 15 | 15 mm |
| HKS 20 | 20 mm (current variant) |
| HKS 25 | 25 mm |
| HKS 30 | 30 mm |
| HKS 35 | 35 mm |
| HKS 40 | 40 mm |
| HKS 45 | 45 mm |
| HKS 50 | 50 mm |