VRAQ-RD 实验室变风量密闭调节阀
For supply and exhaust installations, for controlling room supply or exhaust
airflow
Rectangular inlet, rectangular outlet
Pressure independent operation
Complete shut-off function
Shut-off operation complies with EN 1751, class 1
Casing tightness complies with EN 1751, class B
Maximum differential pressure over the damper of 1000 Pa
Operating range : ambient temperature of 0 to 50 °C
Ambient relative humidity <95%, non-condensing