A Motorized ball valve is a sort of ball valve that utilizes power to work. This sort of valve uses a hollow and perforated. It turns the ball to control the liquid stream. Motorized ball valves have the ball with an opening in the middle. An electric motor works to prevent the position of the ball. Yet, it improves the liquid stream or blocks the fluid flow. Motorized ball valve creators plan the ball that it can be able;
- Moreover, regulate the liquid stream.
The Motorized ball valve can work in liquids, vapors, and gases. The motorized ball valve closes or opens the flow by turning the ball. Yet, it is done when it turns 90o anticlockwise or clockwise. It starts liquid stream when the ball hole turns to parallel the fluid flow direction.
Construction of Motorized Ball Valves
It is electrically de-energized or energized. Yet, give the on/off guide for liquid streams. These actuated valves are different from manual valves. It needs the manual action of turning the gears or handle. Yet, the electric motor can so open and close the ball valves. It is done after getting the directions.
The construction of this valve item is a mixture of the ball valve. It attaches to an electric actuator. The ball valve and the actuator should be fit for electrical power. Motorized ball valves produced with this arrangement are called direct mount valves.
How Are Motorized Ball Valves Actuated?
Electric actuators of these valves are accessible in many torque and voltages. The accessible voltage range of modern actuated ball valves is 12V to 240V, AC or DC. This range is adjustable for the user. The torque utilizes in the actuated ball valve. Yet, it ranges from 17Nm to 600Nm with the robust actuator today. Multi-voltage actuators use in motorized ball valves. It identifies the input voltage and controls the response’s inside voltage.
The actuator valves need different functionality to assure the best performance stream flow. Yet, Motorized ball valves turn the disc or plat ball to control the water streams. The electric actuator must pivot 90 degrees to finish the on/off mechanism.
There are different sorts of Motorized valves that need multi-turn actuators. They work for linear applications like;
- Gate valves
- Globe valves
Applications of Motorized Ball Valves
● On/Off Control:
The Motorized ball valves change from open to shut completely. It managed with no stops at any in the middle between. Each time the actuator ball valve goes the entire opening and closing disc. The electric motor will turn off through interior cams. It hits the breaking point switches.
When the electric motor gets a signal to shut the motorized ball valve, the motor stimulates, pivoting to close the ball valves. This way, the limit switches travel on the cam as the inner cam pivots on the shaft. Yet, it holds until the turn changes to stop the electric motor and breaches the circuit.
● Positioning Control:
One more application requires the motorized ball valves to open or close to some extent. It recognizes and responds to the different states of water streams. For this situation, the aim accomplishes by joining a position sensor.
Major Problems of Motorized Ball Valves
Ball seat leakage
External matter around the ball seat. Clean/end the unknown materials or replace the ball seats. You could destroy or clean the materials that have damaged it.
The ball seat was harmed because it was employed when half-open. Displace the ball seat. Use the valve when it is open/shut.
The ball seat was broken by thermal intensity. Supplant the ball seat with the one proposed by the Motorized ball valve maker.
Gland Packing leakage
- Free gland bolt. Fix the gland bolts diagonally and with equal force.
- Gland packing is exhausted. Supplant gland packing.
Body gasket leakage
- Free pins, screws, or nuts
- Fix the pins or screws.
- The body gasket was damaged.
- Substitute the gasket.
Isn’t the Actuator Working?
Switch, wires, or different leads are free or separated. A capacitor isn’t associated or is accessible. Check the wiring graph according to the motorized ball valve producer’s directions and associate it.
- Thermal load protection is on. Allow the electric actuator to cool down and limit the working recurrence.
- Terminal block wires are detached or free. Review and line them.
- The motor isn’t working or is damaged. Supplant the motor
Body Materials and Seal Materials
With regards to the body materials of the motorized ball valves, the usual materials incorporate;
- Tempered Steel
Yet, there are different sorts and materials for the seals used in ball valves. It finishes according to chemical compatibility, temperature, and pressure. A few ordinary materials incorporate;
- Sustained Teflon
- UHMW Polyethylene
Types of Motorized Ball Valves
Single-body motorized ball valve
It is a motorized ball valve with one body. This motorized ball valve plan with a strong cast valve body. Yet, the strong cast valve body lessens spillage. The single-body motorized ball valve is the least expensive of all motorized ball valves. Yet, this ball valve cannot open for maintaining or cleaning. Yet, the single-body motorized ball valve uses less requesting capabilities. These valves have a tiny opening. They are less expensive and dispensable.
Two-piece body motorized ball valve
It is a motorized ball valve comprising two sections. One is the central part, which contains the body and the end joint. The other part joins the initial piece. A two-piece motorized ball valve disassembles for
It must separate from the pipeline to isolate the two pieces in this motorized ball valve.
Three-piece body motorized ball valve
This motorized ball valve has three sections: the body and two end joints. The three parts are associated with nuts and bolts. The plan of a three-piece body motorized ball valve makes removing the centerpieces of the valve simple. These are like seat stem, seat, and ball from the system’s piping. Such a design of a motorized ball valve advancements;
- Substitution of seals
- Removal of clog material
- Furthermore, seats without removal of pipes from the body.
Although, this sort of motorized ball valve is solid at a higher cost.
Top section motorized ball valve
It is a motorized ball valve in which the ball assemble from the top segment’s side piece. This plan of a motorized ball valve enhances the ball. Yet, the seat fixes without disassembly of the valve. The motorized top ball valve enhances a more considerable valve body. The motorized ball valve manufacturers design the valve with the end area. It did so that you do not have to remove it from the pipeline. The top-section motorized ball valves have an insignificant thread connection. It lessens the leakage of fluid.
Side passage motorized ball valve
This motorized ball valve assembles the ball from the side piece of the valve. Yet, this motorized ball valve gathers the ball in a few pieces of the valve body. Each part is collected with screws or bolts linking two flanges. Side passage motorized ball valves have minor irregularities from the assembling system. Yet, it is not difficult to assemble.
Welded Body Motorized Ball Valve
This motorized ball valve completes welded, which is progressive from any spillage. This motorized ball valve cannot be fixed like the other motorized ball valves. Welded body motorized ball valves use in alternative and covered applications. Maintenance is not required, for example, in subsea and gas transfer applications. After these valves are welded, they are taken through non-destructive testing to find that it has zero spillage.
What do Motorized Ball Valves Consist of?
I convey these electric valves in Brass and plastic.
Brass Ball Valves
Brass is the most involved electric valve for home use and modern settings. Robust and practical Brass is rational for many pressure, temperatures, and media streams.
Plastic Ball Valves
Plastic motorized valve bodies comprise UPVC material which is strong and savvy. This body is type-safe to use with useable drinking water. Moreover, plastic valves use in a system with destructive media like salt water or acids.
|End Connections||NPT Thread (1/2 inch to 2 inches)|
|Valve Temperature range||-20 to 130°C|
|Actuator Temperature||-20 to 70°C|
|Pressure Ratings||Close-off:350 PSI (24.82 bar)non-shock cold working pressure Valve Body:600 psi (41.36 bar)non-shock cold working pressure Max. ΔP:50 psi (3.45 bar)for typical applications|
How Does A Motorized Ball Valve Work?
Motorized ball valves work by changing over electrical energy into mechanical energy. The mechanical energy uses to open/close motorized ball valves. The electrical power is transformed into mechanical energy using an electric engine. The working of a motorized ball valve examines beneath.
1) Power to the system. The motorized ball valve opens by turning on electric power. It permits the electric flow to stream to the electric motor. It turns the electric engine on, causing it to pivot and begin pivoting shaft that connects mechanical ability to open the valve.
The power expected to open a motorized ball valve relies on specific factors like size. As a rule, the power expected to work a motorized ball valve could be
24V of DC power or 24V, 48V, 120V, or 240V of AC power.
2) A bunch of gears connects the power from the electric motor. It assists with decreasing its speed. The motorized ball valve actuator will need to create various degrees of power or torque given the stuff train set controls. The energy from the stuff trains uses to turn the stem of the motorized ball. Yet, the stem is associated with the ball. It will turn it as it very well might be required.
Parts of Motorized Ball Valve
The ball is a rounded part with an opening in its center. The opening at the focal point of the ball is known as a bore. Yet, the opening or bore in the ball fills in as the opening to the liquid stream. For a firm ball, there is a consistent hole diameter. Yet, it upgrades the smooth liquid stream at a constant speed. For an empty ball, the space inside it improves more liquid to pass through the valve.
Valve body/valve lodging
The valve body or valve lodging in a motorized ball valve is the part used to contain all interior features of the valve. The valve body is made of areas of strength and rigid materials. It has enough power to endure high temperatures and pressure related to the liquid flow. A motorized ball valve’s inlet and outlet ports are on the valve body.
This part of a motorized ball valve interfaces the electric motor to the ball. The stem is a shaft that links power from the electric motor to work the motorized ball valve. The stem is a motorized ball valve design with seals. These are like O-rings and packing rings for fixing the cover. It prevents liquid spillage.
The bonnet in a motorized ball valve is the part on top of the valve body to cover the inner portions. A motorized ball valve’s bonnet and the valve body are linked using screws, fasteners, and nuts. It like has welding to ensure it is leakage free. Very much like the valve body, the bonnet should build of;
• Also, Rigid Materials.
It can tolerate high temperatures and pressure as per the regular operation of that valve.
The actuator is part of a motorized ball valve. It uses to give the ability to work the valve. The actuator is an electric motor.
Packing shows the seal around the valve stem/shaft. It uses to stop liquid leakage.
The seat in a motorized ball valve is a part used to give a seal between the valve body and the ball. There is an upstream seat next to the valve gulf side. Yet, the downstream seat is opposite the upstream seat near the valve release side.
A motorized ball valve is a kind of ball valve that works by using an electric engine. This motorized ball valve use power as its source of energy. The power controls the electric motor, changing electrical energy to mechanical energy. Yet, the electric motor uses mechanical energy. It turns the motorized ball valve on to permit a liquid stream. Motorized ball valves use a ball that goes 90o to close/open the fluid stream. Motorized ball valves are sensible for on/off applications. Yet, motorized ball valves are energy-proficient, reasonable, strong, and straightforward. It is flexible, rigid, and easy to clean and fix.