Iris Circular Duct Damper
Iris Circular Duct Damper
The Iris Damper is an ideal air flow regulator and measuring device for circular ducts. Accurate control, smooth and quiet air flow and reliable measuring results are achieved by the special iris construction.
Important Features:
Easy to adjust airflow measuring with scale
Low noise levels
Manometer connections
Easy to calibrate airflow
Allows easy cleaning of ductwork
Excellent Airtightness
Uniform air flow rate occurs in the duct cross sections due to the decreasing opening structure
Control handle is resistant to fracture, adjusted by provided switch
Technical Features
Measurement accuracy is +5%
Operation temperature is between -10°C and +80°C
Manometer connections allow measurement of differential pressure in dampers
Available in a range of 6 different sizes
100% free area when fully opened
Popular Models in stock: 100mm, 125mm & 200mm
Manufactured from hot dipped galvanised steel sheet and equipped with an adjustment scale and measuring connections
The tamper proof control knob is adjusted with a spanner (the 80mm dia. has a lockable lever)
Spigots are fitted as standard with rubber gaskets.
Available sizes made to order:
Dimensions:Ød (mm): Iris damper nominal diameter
ØD (mm): Iris damper flange diameter
L (mm): Iris damper length
Dimensions
Ød
ØD
L
A
B
Weight (kg)
100
99
165
110
30