Ventilation Circular Duct Air Volume Control Damper
Galvanized steel IRIS air volume control damper of the diaphragm type with pressure measuring points.
It is an ideal air flow regulator and measuring device for circular ducts, the diaphragm valve ensures a perfect accordance between the diameter indication on the handle and the opening of the valve, in the fully open position the iris damper provides 100% free area with no contrl mechanism in the airstream allowing easy and effective cleaning of the duct work system.
Body and valve are made of galvanized steel DX53D + Z80 or DX53D + Z275 Seal ring is made of EPDM seal
Body and valve made of galvanice steel sheet
Plastic regulator nut with plastic key
Measuring point on either side of the valve for connection of manometer.
Sticker with selection graph, mentioning the air volume at the different opening positions of the valve and the according pressure level.
Flexible joints for air tightness when placed indside the duct.
* Galvanised steel DX53D+Z275
* Temperature: -10~+80℃
* Function: Air flow regulator and measuring device for ducts
* Size: customized made
Galvanised steel DX53D+Z275
80/ 100/ 125/ 150/ 160/ 200/ 250/ 300/ 315/ 400/ 500/ 630/ 800mm or According to your requests