Converging/diverging three-way control valve

Body: WCB, SS316,SS316L+PTFE or PFA
Body type: Converging/diverging
Ends: Flange, SW
Seat: PTFE
Size: 1/2″ – 24″ (15mm – 600mm)
End connections:
ASME B16.34 class 150-600
DIN PN16-PN100
Actuator: pneumatic actuator, electric actuator

    Category: Control valve


    The three-way converging/diverging control valve features a cage guided structure and pressure unbalanced plug, making it ideal for handling media in multiple flow channels. It can be used for both converging and diverging applications. The three way control valve allows for either entering from two channels and exiting from one (converging) or entering from one channel and exiting from two (diverging). It also functions as a shut-off and opening device for pipes. Typically, the valve utilizes an unbalanced double-seat trim design, with options available for special cages that provide noise reduction and anti-cavitation properties based on service requirements.

    three-way control valve

    Valve material

    • Valve body material: WCB,WCC,WC6, CF8, CF8M, CF3M+ ptfe or pfa
    • Valve cover material: WCB, CF8, CF8M, CF3M
    • Valve trim: SS316+ptfe or pfa
    • Packing: PTFE, graphite
    • Nominal diameter: 1/2“-10“ DN15-DN250
    • Nominal pressure: ANSI150, PN1.6
    • Body type: straight-through, angle

    Bonnet type:

    • standard,
    • heat dissipation,
    • bellows,
    • jacket insulation


    • flange FF, RF, RJ, TG,
    • MFM
    • Welding
    • SW

    Flow characteristics:

    • linear
    • Equal percentage

    Leakage level: 

    • hard seal (ASME B16.104 IV)
    • Soft seal (ASME B16.104 VI)

    Operating temperature:

    • Standard type -17~+230℃
    • Elongation type I (EI) -45~-17℃, +230~+566℃
    • Elongation type II (EII) -100~-45℃
    • Elongation type III (EIII) -196~-100℃


    • Pneumatic actuator: diaphragm type
    • Action mode: direct action, reverse action
    • Fault position: normally open, normally closed
    • Accessories: solenoid valve, electric positioner, limit switch, handwheel, position-keeping valve, air source filter
    • Electric actuator: intelligent regulating type and intelligent switching type
    • control signal:4-20mA


    What is the flow direction of a 3-way control valve?

    The flow direction of a 3-way control valve is integral to its operation and efficiency, particularly in complex fluid handling systems. A 3-way control valve typically features three ports: one inlet and two outlets (or vice versa), allowing it to manage the flow between different pathways with precision. The configuration can be either mixing or diverting.

    In a mixing setup, the valve directs flow from two separate inlet ports into a single outlet port, effectively combining the incoming streams. This configuration is commonly used in applications requiring the blending of fluids at specific ratios. Conversely, in a diverting setup, the valve channels flow from a single inlet port to one of the two outlet ports. This ability to redirect flow paths makes 3-way control valves crucial in systems where fluid routing needs to be dynamically managed, such as in heating and cooling circuits, chemical processing, and industrial automation.

    three-way control valve

    ls a 3 way valve mixing or diverting?

    A three-way valve can function as either a mixing or diverting valve, depending on its configuration and application requirements. In a mixing setup, the valve combines flows from two separate inlet ports into a single outlet port, effectively blending the fluids at specified ratios for precise control in processes such as temperature regulation or chemical mixing.

    Conversely, in a diverting setup, the valve channels flow from a single inlet port to one of the two outlet ports, allowing for selective routing of the fluid stream. This functionality is crucial in systems requiring dynamic flow direction adjustments, such as bypass circuits, heating and cooling systems, and complex industrial processes.