Designed for the specific process of forward and reverse water supply for power system coolers, with applicable and reliable functions;

Top mounted fixed ball with four sided seat valve core structure has good sealing performance, resistance to sand abrasion, and long service life; Electric and pneumatic operation (can be switched to manual operation if necessary);

It is convenient to have good information channels and operation interfaces between the control box and valves, as well as between the control box and the upper computer;

; And it can automatically switch between positive and negative water supply at a certain time interval according to the process requirements