Spiral wind flow mouth damper

Spiral wind flow mouth damper

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Spiral wind flow mouth damper

For the control of flow rates in constant volume systems

For low velocity systems
Mechanical systems-powered, without extemal power supply
Suitable for supply or extract air
Volume flow range maximum 10:1
Flow ratr adjustment using pointer on extemal 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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