Tunnel Transit Dampers
A tunnel transit damper is a heavy duty damper designed to meet the rigorous environment of a transit tunnel and is especially qualified to withstand the stresses and pressures of such environments. The blades, frames, seals, and actuators are designed to meet the standards of NFPA-130, NFPA-502, UL-555S, and BS476; which are commonly found in tunnel transit specifications. Because of the demanding requirements of tunnel transit systems, the tunnel transit damper can be specifically designed to meet the requirements of every specification.
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A tunnel transit damper is a heavy duty damper designed to meet the rigorous environment of a transit tunnel and is especially qualified to withstand the stresses and pressures of such environments. The blades, frames, seals, and actuators are designed to meet the standards of NFPA-130, NFPA-502, UL-555S, and BS476; which are commonly found in tunnel transit specifications. Because of the demanding requirements of tunnel transit systems, the tunnel transit damper can be specifically designed to meet the requirements of every specification.
