Three way (combine/diffluence) control valve has functions of dividing one-way flow into two-way flow or combining two-way flow into one-way flow. It has features of S-shape passageway、cage-guided、quick-disassemble seat and integral design , ideal for heat exchanger to adjust temperature. Equipped with valve positioner, it’ll have advantages of adjusting by ratio、high adjustable ratio and high Cv etc , so it’s widely used in automatic-control services, such as paper mill、chemical industry、petroleum、chemical fiber and metallurgy etc..