JSKA type water-ring vacuum pump whole-set equipment has the peculiarities of reliableness,high efficiency,energy-saving and high automatication degree etc..The major pump adopts the SKA type pump with automatic gas-intake system,water cooling and supplying circularly system and dynamic-transmitting system.The electricity controlling system can be manual,automatical or remote controlled. It is the primary suction equipment of the vaporcoagulators for the domestic and foreign fire power generating electricity system above 600MW,300MW and 100MW.