This kind of elevator can work normally in the shocking condition.It can also work under the adverse condition of temperature from -20¡æ to 50, the 100% max relative humidity and the max wind speed of 25/s.Port elevator can be installed and operate on damp sea surface in salt mist and quite adverse environment.As a result, the control system and the structure must be designed well. Applicable to:good resistant to moisture, salt mist, oil mist and dust.Enhance reliability and life span of the elevator.