Volume flow control
Size | ΦD(mm) | Weight(kg) |
80 | 79 | 0.5 |
100 | 99 | 0.6 |
125 | 124 | 0.7 |
160 | 159 | 0.8 |
200 | 199 | 1.0 |
250 | 249 | 1.3 |
Feature
For the control of flow rates in constant volume systems
For low velocity systems
Mechanical system-powered, without external power supply
Suitable for supply or extract air
Volume flow range maximum 10:1
Flow rate adjustment using pointer on external scale
The damper blade mechanisms maintenance free
Operation temperature range 10℃ to 50℃
Selection according to nominal size of the duct system
low rate adjustment without special tools
Differential pressure range 30 to 500 Pa
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