Nowadays, the valve is the key device for automation. Among the valves, the electric ball valve is user-friendly & works smoothly. Electric ball valves consist of an actuator & motor. The motor helps to make torque. Then the valves can open in 4 to 5 seconds. The actuator needs 24 volt AC/DC or 230 volt AC power to function.
AC/DC Motorized ball valve has greater use in heating, ventilation, air conditioning, and firework. These valves are convenient for remote flow control applications & suitable for liquids and gases and are often used in heating systems. Generally, the valve body is made of brass. The ball is chrome plated, and the seal is made of Teflon.
24 volt AC/DC or 230 volt AC valves are three types. Quarter-turn valve, Multi-turn valve & linear type valve. The quarter-turn valve has a 90° turn to open and close a port. Opening and closing the ports to accurate fluid movement is more important.
Applications & benefits of Motorized Ball Valve
· 24 volt or 230-volt electric ball valve is smart in shape.
· It can perform reliably.
· Long product life & easy to install.
· Good substitution for the solenoid valve.
· Applicable in moisture conditions.
· Vastly used in vacuum applications, and irrigation equipment.
· Frequently used in drinking water equipment & industry.
· Good for use in the latest technology like gravity feed, low pressure, solar water heaters
· Applicable in households like washing machines, and water heaters.
· Greater flow capacity
· Reasonable price
· Sustainable service life.
· Anti-water hammer.
Installation And Wiring Of AC/DC Motorized Ball Valve
A Motorized electric ball valve is an automatic control solution. Any voltage ranges are applicable for this. Low voltage wiring with 24 volts DC/AC actuator is widely used & a good option. It is preferable to use 230 volt AC. Expense, ease of wiring, and distance are the issues in this case. There are three wires, blue, brown & black, in the actuator. The Blue one is negative or neutral. Black and Brown’s wires are positive. The Black one is for controlling purposes.
Sometimes an electric on-off function may fail. You can run the valve in a manual process. But replacing the faulty actuator is the best solution. Valves can open or close in a manual process.
The actuator is always set up on top of the valve. It can remove and remount in a very easy way. Maintenance is also flexible if necessary. Setting up of 24-volt electric valve with an actuator is time-saving. We can replace the actuator only for this time.
Proper connection of 3 wires is very much important for valve operation. The blue wire connects with the 24-volt transformer’s neutral connection. The Brown wire connects with the 24-volt transformer’s line connection. The black wire connects with the 24-volt transformer’s line connection.
The valve will open when the switch connection is finished. It means connecting the black wire and the 24 volts transformer line. The valve will close when the switch connection is not completed. It is the connection between the black wire and the transformer. Wiring the actuator needs a few components & parts. These are a power source, a power strip with many outlets, a regular light switch, and a 24 volts transformer. A low voltage wire, a three-wire bundle, and wire nuts or other wire connections are also needed. If you have connections exposed to water, you need waterproof parts.
The actuator’s blue wire should joint to the neutral of the transformer. Brown wire should joint to the line connection of the transformer. The black wire should joint to the light switch.
We can test the actuator’s performance by opening and closing the valve. First, plug the 24 volts transformer into the outlet. Then flip the switch off of the valve. This time the actuator turns the valve stem to 90 degrees of the flow direction. You should look through & verify whether the valve is closed or not. The valve will be in a compact state.
Now time to check the open valve condition. Flip the switch to open the valve. Then the actuator turns the valve stem parallel to the valve body. We should look through & verify whether the valve is open or not. The valve will be in a relaxed state.
Before starting the whole system, this type of checking is necessary. It will save time. After checking these, you can connect the valve to the system. It should function well. It is another important thing to keep in mind about the power outage situation. When power loss happens, the current state of the valve will remain the same. At the time of power restoration, it will not change itself.
Operation of 24 volts or 230-volt valve
9 to 24 volt AC/ DC & 110 to 230 volt AC Motorized ball valves are used frequently. These vales allow any flow. The flow in full gear is not an issue. This is why electric ball valves perform better than solenoid valves.
After turning on the power, the valve opens fully. It charges the internal capacitor also. A tiny amount of energy can maintain the charge of the capacitor. If power loss happens, the capacitor’s charge can proceed to close the valve. This is very much electrical & mechanical error-free for 24 volt AC/DC or 230 volt AC. Electric ball valves are always bi-directional so that media can flow in either direction.
These AC/DC valves can eliminate water hammers because they have slow response times. Few actuators are weather resistant. We have to use caution when installing them outdoors. It is recommended that the valve be installed with the actuator up. It is necessary for a high degree of vibration.
An ideal 230 volt AC Motorized ball valve is nearly 2 to 5 inches in size. It operates at around 10bar pressure. The Rated current is 50 to 140 mA. The output torque is nearby 22NM. Actuator rotation is 90 degrees.
For household or industry purposes, these valves are used widely. These make our life easier & comfortable.