ZAJW、ZKJW electric adjusting ventilating butterfly valve, made up of DKJ angle travel electric actuator and butterfly valve, used with electric unit combination instrument. Simple structure、large diameter、light weight、convenient operation. Widely used in metallurgy、power station、chemical department. Suitable media, gas、dust-laden gas, flue gas. ZDLW-6B、ZDRW-6K electronic electric adjusting butterfly valve, made up of 3610R(L) full-electronic actuator and butterfly valve adjusting valve, with servo system inside actuator, need no other servo amplifier. Simple structure, large flow capacity, high adjusting precision. According to users’ requirements, actuator can equipped with UNIC、PSQ、HQ、CH electronic electric actuator, widely used in chemical、petroleum、metallurgy、power station and other processes. Suitable media, gas、dust-laden gas, flue gas