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Min. Order (MOQ)
1 Piece(s)
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Fischer
Tunnel Dumpers
Key features:1. Airfoil blades with various material options2.robust, performance oriented3.nfpa, ul555 compliant4.various actuators options available key features:1.maximum pressure: 12 24 in wc2.velocity: 20.3 ms3.leakage: 8 cfmsq. Ft. @ 4 in. Wc4.blade deflection: l180 (standard)5.blade profile: fabricated airfoil extruded airfoil fire rated airfoil6.blade material: galvanized steel aluminum ss 304 ss 3167.certifications: nfpa 130, 502; ul 555s; bs476 typical ventilation applications area include:1.subway ventilation system2.tunnel ventilation control system3.underground ventilation system