The Different Styles of Actuators Used With Motorized Ball Valves

There are four different styles of motorized ball valve actuators to select from depending on the application. The combination kit comes with a valve and an actuator and here is how they function.

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There are few choices of styles of actuators contingent on your current wiring and application.

The on/off style, which is standard and the simplest style is a three-wire system. The blue wire is the negative power line and must always be connected. The brown wire is one of the positive leads and must always be connected to the power. The black wire is the second positive lead and must run through your switch. If the power is removed from the black wire it closes the valve and if the power is connected to it, it will open the valve.

If you lose power to the actuator:

  • It will stay in its current state.
    • If the valve is closed it will stay closed or the valve is open it will stay open.
  • There is no feedback wire to let you know the position of the valve.

*It has a limit switch, so when the valve is fully open or fully closed it will stop using energy meaning you won’t be wasting energy.

Example of the On/Off Style:  DEELAT Motorized Ball Valve SKU# D1151092

DEELAT Motorized Ball Valve with On/Off  Actuator
DEELAT On/Off Actuator Wiring Set-up

The three-point style is very similar to the on/off style as it is also inexpensive and a three-wire system. The blue wire is a negative power line that must always be connected. The brown and black wires are connected to a two-way switch, which then connects to the positive power line. You either can power the brown wire or the black wire but are never to be powered at the same time. The brown wire will open the valve and the black wire will close the valve.

If all power to the actuator is lost:

  • It will stay in its current state.
    • If the valve is closed it will stay closed or the valve is open it will stay open.
  • There is no feedback wire to let you know the position of the valve.

*It also has a limit switch, so when the valve is fully open or fully closed it will stop using energy meaning you won’t be wasting energy.

Example of the 3-Point Style:  DEELAT Motorized Ball Valve SKU# D1151099

DEELAT Motorized Ball Valve with 3-Point Wiring Actuator
DEELAT 3-Point Actuator Wiring Set-up

There are few other options of actuators that are more versatile.

The capacitor return style is more expensive and is a two-wire system. One wire is the positive lead, while the other is the common or negative power line. Adding or removing the positive lead will send instructions to the motor to open or close the valve. Before the motor or valve will work you must provide power to the actuator, which will charge it. Charge the actuator for at least five minutes. Once it is charged, the actuator will function under normal conditions, whereas adding or removing the lead will open or close the actuator. However, in a power loss situation (a full power loss like a blackout), the valve will auto close. You can set the default for it to open or close the valve on all DEELAT motorized ball valves, including the capacitor return model.

Example of the Capacitor Return Style:  DEELAT Motorized Ball Valve SKU# D1775554

The proportional style is the most expensive actuator, which can open at different degrees and is a five-wire system. This actuator has to be connected to a signal generator. The signal sent will determine the degree of open. It also has feedback to let you know what degree the valve is open and the position of the ball valve. A manual override can be purchased with this actuator. If all power is lost, with the manual override, you can quickly push a button and turn the dial to change the position, open or closed or you can dial to the position of your choosing.

*All models use limit switches to save energy. Once it has either fully opened or fully closed, the limit switch stops power from being used.

Example of the Proportional Style:  DEELAT Motorized Ball Valve SKU# D1775442

DEELAT Motorized Ball Valve with Proportional Actuator
DEELAT Proportional Style Actuator Wiring Set-Up