Qt series quarter turn valve electric actuators are newly developed product of our company, which is reference and absorb the international advanced technology. These actuators are suitable for butterfly valve, ball valve and plug valve etc. Turn angle is 90°. The cast body is made of die casting aluminium, these actuators are featured by attractive apperance, small size, light weight, high efficiency, high reliability, high protection capability, iow noise and so on. Can operate onsite and remote controlling can be carried out. So they have been applied in petroleum and chemical industries, power plant, water treatment and papermaking industries.