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