Backdraft damper KTR and KTR-V
Backdraft dampers type KTR and KTR-V are used for dusty air, but not chips and the like. Available in 2 versions:
KTR for low pressure and KTR-V for high pressure.
KTR is made as louvre grid with 2 connections.
Product Features
- Backdraft damper prevents backdraft to piping
- Used for dusty air
- Available for low and high pressure
- Available in 7 sizes
- Constructed as louvre grid with 2 connections
- Delivered powder enamelled
Further data
Gram backdraft damper is available in 2 versions:
KTR, intended for low pressure:
- Vacuum up to 5,000Pa
- Channel velocity: max. 25m/s
- Pressure drop: 350-600Pa
KTR-V, intended for high pressure:
- Vacuum up to 40,000Pa
- Channel velocity: max. 25m/s
- Pressure drop: 350-600Pa
KTR is available in 7 sizes with connection from ø160-ø630mm.
KTR-V is available in 7 sizes with connection from ø108-ø400mm
Backdraft damper type KTR is made as louvre grid with 2 connections. Does not close 100%.
The damper is made in 2.0mm black steel plate and subsequently powder enamelled
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