VRAR-RD-H 钢制实验室变风量蝶阀
For exhaust installations, to control the fume cupboard exhaust airflow
For general exhaust ventilation design applications (fume cupboard exhausts
are connected to one common fan)
Corrosion-proof, galvanised steel
Circular inlet, circular outlet
Complete shut-off function (blade gasket), complies with EN 1751 class 4
Casing tightness complies with EN 1751 class C
Maximum differential pressure over the damper of 1000 Pa
Operating range : ambient temperature of 0 to 50 °C
Ambient relative humidity <95%, non-condensing