Technical features:

1. Constant air volume valve is a mechanical self-reliance device, which is suitable for ventilation and air conditioning systems that need constant air volume.

2. The air volume control of the constant air volume valve does not need external power, but depends on the air flow force in the air duct to position and control the position of the valve blade, so as to keep the air flow at the preset flow rate within the whole pressure difference range.

Product features:

1. Air volume adjustment: automatic mechanical mechanism, without external power.

2. Working temperature: 10-50 C.

3. Pressure range: 50-950PA.

4. The air bag is also an oscillation damper, and there is a pointer outside to display the flow scale, and the scale error is 8%. The blade control mechanism of the air valve is maintenance-free.