Valve remote control device utilizes oil pressure, air pressure and electricity etc. as power source to carry out remote collective control toward the start & stop of the valve by the control console. The device specially designed by combining advantages of same kinds of products of home and abroad. has the characteristics of advanced structure, convenient operation, flexible configuration, safety and reliability etc. The device adopts advaneed soft logical computer control technology which matches with level remote control device to achieve full auto control for ship's ballast device. The device is suitable for remote control the piping valve of ship`s ballast water, bilge and other industrial equipment.

PB type switch board can provide protections for generator in short circuit, overload, undervoltage, reverse power, load shedding etc, at the same time it owns the function of automatic synchronization combining engine, automatic frequency and load, auto-start of generator. It can monitor, alarm and control the parameters of the voltage, frequency, current, power and power factor when the generator is working. Besides, it will provide three kinds of power plant management mode, such as manual, semi-automatic and fully automatic.