الوصف

Designed for easy measuring and balancing of air flows in circular ducts, regulation of air flow volume

Casing Leakage Class C (EN***1)

sizes **0, **5, **0,**0, **0, **0,**0 and **5 mm

Material: Galvanized steel DX*3D+Z*0 and Galvanized steel DX*3D+Z**5 are avaliable 
          Seal ring is made of EPDM;Plastic regulator nut with plastic key;
         Sticker with selection graph, mentioning the air volume at the different opening positions of the valve and the according pressure level.

Available color of the index dial: orange ,yellow ,white ,blue
Application: Widely used in ventilaton system or equipment for easy measuring and balancing of air flows

Packing: carton case + pallet


Features:
1) Round butterfly air damper
2) Controls air volume evenly over entire #*6 diffuser
3) Removable knob operator for adjustment from closed to fully open
4) Knob permits diffuser to be held in position while attaching face screws
5) Can be used in both supply and return ducts
6) Various colors available (Production time is two weeks more)