Rectangular check valves in ventilation systems play an important role in ensuring efficient and uninterrupted air exchange in rooms. The main aspects related to their application, construction, installation and operating conditions are as follows:
- Assignment:
- Air flow control: rectangular check valves are used to control and regulate the direction of air flow in ventilation systems.
- Preventing backflow: the main function is to prevent contaminated air from flowing back to the outside or between different areas of the room.
- Construction:
- Housing: typically made of lightweight but durable materials such as galvanized steel or aluminum to ensure ease of maintenance and installation.
- Cover: a flat or rectangular plate that can be easily opened and closed depending on the direction of air flow.
- Hinges: a mechanism for rotating the cover that can be incorporated into the valve design.
- Installation:
- Orientation: the dampers must be installed in such a way as to guarantee the correct direction of air flow in the ventilation system.
- Location: it is important to consider the optimal location of the valves for the most efficient air exchange.
- Operating conditions:
- Temperature range: valves must operate efficiently over a wide temperature range, which is typical for ventilation systems.
- Cleaning and maintenance: it is important to develop the system so that it is easy to clean and maintain the valves, as they can become a place of accumulation of dust and other contaminants.
- Materials: keep in mind that the valve materials must be resistant to corrosion, especially if the ventilation system is installed in an aggressive environment.
- Air flow control:
- Some rectangular check valves can be equipped with adjustment mechanisms for precise control of the volume of air to be passed.
| Type measurement | Dimensions, mm | ||
| В | Н | ||
| D-ZKP-40/20 | 400 | 200 | |
| D-ZKP-50/25 | 500 | 250 | |
| D-ZKP-50/30 | 500 | 300 | |
| D-ZKP-60/30 | 600 | 300 | |
| D-ZKP-60/35 | 600 | 350 | |
| D-ZKP-70/40 | 700 | 400 | |
| D-ZKP-80/50 | 800 | 500 | |
| D-ZKP-90/50 | 900 | 500 | |
| D-ZKP-100/50 | 1000 | 500 | |
