Key features:
1.Airfoil blades with various material options
2.Robust, performance oriented
3.Nfpa, ul555 compliant
4.Various actuators options available

Key features:
1.Maximum pressure: 12 ~ 24 in wc
2.Velocity: 20.3 m/s
3.Leakage: 8 cfm/sq. Ft. , 4 in. Wc
4.Blade deflection: l/180 (standard)
5.Blade profile: fabricated airfoil / extruded airfoil / fire rated airfoil
6.Blade material: galvanized steel / aluminum / ss 304 / ss 316
7.Certifications: nfpa 130, 502; ul 555s; bs476

Typical ventilation applications area include:
1.Subway ventilation system
2.Tunnel ventilation / control system
3.Underground ventilation system