Construction & Features
- Frame: 16 Ga galvanized steel interlocking hat channel frame construction.
- Blades: Extruded aluminum construction.
- Finish: Mill finish.
- Seals: Vinyl blade seals mechanically locked into the blade.
- Bearings: Bronze bearing.
- Axles: Die cast aluminum.
- Linkage: 12x3mm galvanized steel concealed in the channel frame.
- Mounting: Vertical & Horizontal.
- Air leakage with back pressure to EN 1751, class 4.
- Maximum differential pressure: 5000 Pa.
- Differential pressure can be adjusted from 50 – 1000 Pa (B > 600 mm: 600 Pa max.).
- Blades made of aluminium; casing made of galvanized steel.
- Blades open when the maximum differential pressure is exceeded and close automatically when
the pressure drops. - Robust, maintenance-free construction.
- Available in standard sizes and many intermediate sizes.
- Operating temperature 0 to 80 °C.
Product Details provided with Optional Selection
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