Dampers
Dampers
Air Control Dampers
- Complete galvanised steel, aluminium or stainless steel construction.
- Aerofoil section blades for low air flow resistance in fully open position.
- 100mm or 165mm blade widths.
- Nylon bearings ensure maintenance free long life.
- Opposed blade operation for progressive air control.
- Additional option for seals to provide leakage less than 10 l/s/m2 at 100Pa.
- Available with insulated blades for low thermal conductivity.
- Can be powder coated or painted.
Smoke Control Dampers
- Aerodynamic double skin blade for minimum flow resistance.
- Designed to withstand 300°C for 2 Hours.
- High temperature silicone blade edge seals and stainless steel side seals for low leakage.
- Linkage system operation with brass bearings.
- Galvanised steel 1.2mm high strength casing 185mm deep.
- Opposed blade operation for progressive air control.
- Conforms to EN12011-3 – specification for powered smoke and heat exhaust ventilators.
Back Draught Dampers
- Galvanised steel 1.2mm high strength casing 160mm deep.
- Low weight 0.7mm galvanised steel blades for minimum lift off pressure.
- Low air flow resistance in fully open position.
- Full length 12mm stainless steel shafts minimise blade deflection under high differential pressures.
- Nylon bearings for long service life.
- Available in stainless steel.
- Additional option for pressure relief damper suitable for operation at 4000Pa.
Circular Dampers
- Operation options include manual, electric or pneumatic or constant volume.
- Temperature range -30°C to +100°C.
- Available in galvanised steel or stainless-steel construction.
- Sizes ranging from 100mm to 630mm diameter.
- Available in air tight up to 1000 Pa.