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What is Ball Valve

A ball valve is cylindrical in shape and has a hollow and pivoting ball as the flow control element. When the ball is open, the hole through the ball faces the flow, allowing fluid to pass through. When the handle of the valve is turned 90 degrees, the ball closes and the flow of fluid through the valve stops. When the valve is open, the handle (or lever) is perpendicular to the direction of flow, making visual indication of the status of the valve easy. The biggest benefit of ball valves is their long service life and reliable sealing capabilities.

Why Choose Us

01/

Years Of Brand History
Our company was founded in 1998 and is now a comprehensive valve enterprise that integrates research and development, manufacturing, sales, and other related services.

02/

Patent Certifications (Item)
Rich Experience in Valve Industry;ISO9001 Quality Management System Certification.

03/

Currently Employed By The Company
Our company continuously introduces advanced technicians and professional equipments, automated lathe equipments, high precision CNC machine tools to enhance production capacity, increase efficiency, improve production stability and reduce labour expenses.

04/

Cooperative Clients (Home)
Our products are widely used in many other industries such as construction, plumbing, gas, chemical, petroleum, and electricity, winning widespread praise and recognition from distributors and users alike for their reliable quality, complete variety, safety, convenience, and long service life.

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Advantages of Ball Valve

Durability
One of the most remarkable pros of ball valves is their durability. They are well-known for their capacity to serve without a glitch under regular maintenance. Plastic ball valves surpass their metal counterparts when it comes to durability, because there are no issues like rust and corrosion are non-existential.

Easy maintenance
Ball valves do not demand much in terms of maintenance. Under conducive conditions, a single valve can function for years. Repairs do not cost much, and replacements are easily available, thanks to the non-stop demand for ball valves.

Easy operating mechanism
The ball valve's design allows for easy installation and repair work. The clever design makes the functioning easy without having to worry about side loads, which is often a problem with butterfly valves.

Efficiency
Ball valves are the first choice for applications that require a controlled flow. They are leakproof and open and close at lightning speed, making them a top choice for emergency operations.

Affordability and availability
Industrial devices need to be available at immediate notice. Ball valves are no different. Their non-availability can lead to unnecessary downtime and unexpected costs of industrial processes. Fortunately, thanks to the popularity and increasing demand for ball valves, there are many ball valve manufacturers all over the globe who design, manufacture and supply valves of all sizes and dimensions.
Their versatility in design also makes them an affordable choice. Ball valves are worth the investment as they remain durable and functional for a considerable amount of time.

Safety
High-quality ball valves are extremely dependable for functioning with high pressure and high-temperature flows. They provide safe service under extreme industrial conditions.

Versatility
The valve's versatile design makes it ideal and flexible for multiple applications, from simple domestic usage to complex industrial processes.

Parts of a Ball Valve

Valve body - This is the main part of the valve and contains all of the components for on/off control.

Rotary ball - The ball is designed with a center bore (hole) that the media flows through. The direction of the ball is controlled by turning the stem.

Stem - This connects the ball to the external control mechanism. For example, in a manual ball valve the stem is connected to a handle or lever.

Seats - These are discs that lie in between the body and the ball. Seats provide a seal between the two and also support the ball.

Power source - The stem of the ball valve is rotated using manual or actuated power sources. Manual actuation includes levers and handles that are controlled by an operator. Automated power sources like electric, pneumatic and hydraulic actuation are also available.

Packing - This is a seal around the stem that prevents the media from escaping.

Bonnet - The bonnet is the part of the body that contains the stem and packing.

Versatility of Ball Valves

Stopping and starting flow

It is commonplace to use ball valves across all industries to isolate flow and to keep it controlled, especially in upstream oil flow applications and oil and gas use in general. With the ball in the closed position, airtight sealing is achieved.

Moderate throttling

Even though butterfly valves are a better option for throttling, ball valves are able to be used in oil and gas industry processes where moderate throttling over short periods of time are required.

Flow diversion

Some design ball valves come with extra ports. This type of ball valve is designed to divert flow in different directions depending on the position of the openings through the ball. In this case, ball valves are handy for diverting liquids into multiple different containers.

How Does a Ball Valve Work?

Ball valves can have multiple ports, which are the openings in the valve. Two-way ball valves have two ports and are used for traditional on/off control. Multi-port valves (3-way, 4-way, etc.) are used in applications that require more than one source of media or that need to divert media in different directions.
The port of a ball valve can be opened or closed to control media either manually or through actuation. The manual option requires handles or levers and an operator to control the valve. Electric, hydraulic and pneumatic actuation don’t require an operator to control the valve. Actuation is ideal for complex control systems or those that are in remote areas that an operator cannot easily access.

What Safety Matters Need to Pay Attention to in the Use of Ball Valves

The following safety matters need to be noted during the use of ball valves to ensure the safety of personnel and equipment:
1. Personal protective equipment: The use of appropriate personal protective equipment, such as gloves, goggles, earplugs, etc., to prevent accidental injury.

2. Operation norms: Follow the correct operating procedures and norms, to avoid misoperation caused by the danger.

3. Explosion-proof environment: If used in flammable and explosive environment, choose the right ball valve to prevent fire and explosion.

4. Well ventilated: When operating ball valves in enclosed spaces, make sure that they are well ventilated to prevent the accumulation of toxic gases.

5. Avoid excessive force: Avoid excessive force when opening and closing ball valves to prevent damage to components.

6. Valve Position: When operating and maintaining ball valves, ensure that the lever is correctly positioned to prevent misoperation.

7. Liquid Discharge: Avoid sudden release of the valve during operation to prevent injury from liquid splashing.

8. Maintenance blackout: When operating electrically powered valves, make sure the power is off during maintenance to prevent electric shock.

9. Operator Training: Ensure that the operator has received appropriate training and is familiar with the use of the ball valve and safety practices.

10. Manufacturer's recommendations: Follow the manufacturer's recommendations for operation and maintenance to ensure proper and safe operation. 11. emergency stops: for electrically operated ball valves, always use an emergency stop.

11. Emergency Stop: For motorized ball valves, an emergency stop should be provided to stop operation quickly in case of emergency.

How to Perform Regular Ball Valve Maintenance and Care

1. Plan: Set up a maintenance schedule and decide the maintenance period according to the frequency of use and working conditions. 2. Clean the valve: Clean the valve regularly.

2. Clean the valve: Clean the outside and inside surfaces of the ball valve periodically to remove dirt and grime and to ensure smooth operation.

3. Lubricate: Apply lubricant regularly to keep the operating lever and valve moving flexibly and to prevent jamming.

4. Check seals: Regularly check the valve seat, ball and seals for good condition and replace them promptly if worn or deteriorated.

5. Operational test: Conduct an operational test periodically to check for flexible opening and closing to prevent poor operation.

6. Leak check: Use bubble leak detector or pressure test to check for leaks in the valve connections.

7. Fastening of parts: Check whether the connection bolts are tightened to ensure that the valve and piping are firmly connected.

8. Corrosion Protection: Check ball valves for signs of corrosion and apply corrosion protection as needed.

9. Record maintenance: Record the date, content and maintenance personnel of each maintenance to establish a maintenance file.

10. Observe Manufacturer's Recommendations: Follow the manufacturer's maintenance guidelines and recommendations to ensure proper operation.

11. Special environments: If used in high temperature, corrosive environments, additional maintenance frequency and measures are required.

Precautions for the Use of Ball Valves

1. The use of ball valves principle
Ball valves use the sphere as the opening and closing body, through the rotation to control the fluid on and off, to realize the control of pipeline system. Ball valves have simple structure, good sealing, large flow, so they are widely used in hydraulic, chemical, petrochemical and other industries.

2. Ball valve use precautions
① Pay attention to the selection of valves: Different industries and working environment, you need to choose different materials and specifications of the ball valve to ensure the safety and reliability of the valve;
② Operation should be gentle: In the opening and closing of the ball valve, do not use excessive force, to gently and slowly rotate to avoid jamming or severe wear and tear and other problems;
③ Valve not used for a long time to be regularly checked: long time not used ball valves, should be regularly checked to ensure that the valve operation is flexible, good sealing, such as the discovery of problems in a timely manner;
④ Avoid ball valve impact: In the installation and use of ball valves, to avoid the valve and other facilities to avoid damage to the ball valve.

3. How to operate the ball valve correctly
① Check whether the ball valve is firmly installed first;
② Slowly open the ball valve, check to determine whether the normal flow of fluid, in the absence of abnormalities before normal use;
① Check that the ball valve is firmly installed;
④ After operation, close the ball valve in time to avoid accidents.

Ball Valve Operating Procedures

The operating procedures of ball valves include the preparatory work before pressure test, the operation steps of pressure test, the problems to be noted in the process of pressure test, as well as the daily operation and maintenance of ball valves.
1. Preparatory work before pressure test
• Check the appearance and parts of the ball valve to ensure that there is no damage or defect.
• Clean the inner cavity and sealing surface of the ball valve to ensure that there are no impurities and dirt.
• Check the sealing surface of the ball valve to ensure that there are no leaks and cracks.
• Check the stem and cavity of the ball valve to ensure that there is no deformation and damage.
• Check the sealing rings and gaskets of the ball valve to ensure that they are complete and fit for purpose.
• Check the operating devices of the ball valve to ensure flexible and reliable operation.

2. Pressure test procedure
• Connect the outlet and inlet of the ball valve by piping to ensure that the joints are secure.
• Close the handle or gear of the ball valve to ensure that the valve is closed.
• Fill the ball valve with pressure test medium until the inside of the ball valve is full of pressure test medium.
• Open the bleeder valve of the ball valve to remove the gas inside the ball valve.
• Close the bleeder valve of the ball valve.
• Connect the test pump to the ball valve and open the pump valve of the test pump.
• Slowly increase the pressure of the test pump and observe the appearance of the ball valve and the connected piping for deformation and leakage.
• According to the rated pressure of the ball valve and the test pressure conditions, keep the test pressure time, usually 5 minutes.
• Observe whether there is any leakage on the ball valve, including the valve body, bonnet, pendulum, stem and other parts.
• Close the pump valve of the test pump and empty the test pressure medium inside the ball valve.
• Open the bleeder valve of the ball valve to ensure that the gas inside the ball valve is removed cleanly.
• Close the ball valve bleeder valve and return the ball valve handle or gear to the normal position.

3. Problems to be noted during pressure testing
• The test pressure shall not exceed the rated pressure of the ball valve, so as not to cause damage to the ball valve.
• Test pressure should be slowly increased pressure, prohibit sudden pressure increase.
• When observing whether there is leakage on the ball valve, carefully check all parts of the ball valve, including the appearance and connecting piping.
• Attention should be paid to safety during pressure testing to avoid accidents during pressure testing.

Our Factory

Zhejiang Bozheng Copper Co., Ltd. is located in the "the valve capital of China"-Yuhuan (a city by the East China Sea in the Yangtze River Delta economic circle). Founded in 1998, the company is a comprehensive enterprise integrating research and development, design, manufacturing, sales and service.

After decades of exploration and development, "Bozheng" has become a high-quality brand in the domestic valve industry. We will continue to provide advanced and stable products and perfect sales services for domestic and foreign users, and strive to serve as a healthy and safe shield to create a safe living environment for each home.

In the course of nearly 20 years of innovation and development, Bozheng people have been adhering to the qualities of fairness, stability, and keeping promises. We increased the investment in hardware and software and built a set of mature and competitive product structures. Our products are widely used in construction, plumbing, gas, chemical, petroleum, electric power and many other industries. With reliable quality, complete varieties, safety and convenience, long service life and other characteristics, the products have won praise and affirmation from the majority of dealers and users alike.

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FAQ

Q: When is a ball valve open?

A: A ball valve is open when the handle is in line with the pipe and closed when the valve is perpendicular to the pipe. It only needs to be rotated 90 degrees.

Q: What is a ball valve?

A: A ball valve is a shutoff valve that controls the flow of a liquid or gas by means of a rotary ball having a bore. They can be operated by a handle or automated with an electric or pneumatic actuator.

Q: How to install a ball valve?

A: Screw the input and output of the ball valve into your threaded assembly. Ensure the handle is installed correctly (parallel is open) before installation.

Q: Can ball valves fail?

A: Yes, a ball valve can fail. Common failure types are a damaged seal (valve won't seal 100%) or debris entering the valve (valve won't move).

Q: What can a ball valve be used for?

A: A ball valve can be used both as a shut-off valve and as a control valve for both liquids and gasses. In the case of a control valve, the bore is usually made in a v-shape.

Q: Is there a wrong way to install a ball valve?

A: The best way to install a ball valve is to install the valve with the valve stem facing upwards.

Q: How often should ball valves be replaced?

A: For most applications, once a year is ideal, but ball valves in high-pressure and high-cycle applications should receive more frequent inspections.

Q: What is the life expectancy of a ball valve?

A: Using the latest and greatest ball valve in your plumbing can help save more water. It also helps you save money while helping the environment. A ball valve life expectancy is about eight to ten years. For such a simple mechanical device, the ball valve has enormous value to the gas and water industries.

Q: Do ball valves ever fail?

A: Ball valves are used in industrial processes to control the flow rate of materials. While they can last for many years, ball valves can sometimes fail due to a range of factors. These common causes of ball valve failure include corrosion, extreme temperatures, and improper installation.

Q: Is there a correct way to install a ball valve?

A: Ball valves may be installed in vertical or horizontal pipe runs, they are bi-directional therefore flow direction is not critical, however the best practice is to set up the valve handle to point in the direction of flow whenever possible.

Q: Does it matter which direction a ball valve is installed?

A: Essentially, it can be installed in any direction but any installation that is not the recommended usual way of installation may have effects on the way pressure is handled in the ball valve mechanism.

Q: Does a ball valve need to be fully open?

A: You should not use ball valves to control flow in a half-open or half-closed way. This is because the pressure could damage parts of the valve.

Q: What maintenance is required for a ball valve?

A: Ball valve maintenance steps. It is essential to follow a systematic approach to ball valve maintenance, including regular inspections, cleaning, lubrication, and testing to prevent problems before they occur. Regular cleanings: It is important to keep ball valves clean to extend their lifespan.

Q: What is the best lubricant for a ball valve?

A: RS Clare's Ball Valve Lubricant (BVL) has been designed specifically with the unique challenges of ball valves in mind, specifically: Consistency is slightly softer than Valve Lubricant 601 TM - this is felt by many operators to be important in ensuring that the spring loaded seats function correctly to achieve a seal.

Q: Do ball valves ever leak?

A: Ball valves can burst due to a variety of reasons. Leakage can occur when the valve isn't closed correctly due to debris or if the seal or valve is damaged. The leading causes of water ball valve leakage: The ball valve may leak internally if it is damaged or transported improperly.

Q: Are ball valves serviceable?

A: Design: Ball valves come in one-, two- and three-piece designs, the first two of which do not allow for maintenance and must be replaced when components fail. Three-piece ball valves are designed so that the seats and seals can be removed and replaced without removing the entire valve from the system.

Q: Can you overheat a ball valve?

A: Excessive heat can cause the valve's materials to expand. This causes leaks, deformation, or even complete valve failure. Overheating might occur due to factors like high fluid temperatures, inadequate cooling mechanisms, or improper valve selection.

Q: What is the most durable ball valve?

A: Stainless steel ball valves offer a long-lasting option, even when used in highly corrosive environments; 316 stainless steel is a particularly corrosion-resistant alternative that includes more nickel than standard stainless steel, as well as the addition of molybdenum — a silvery metal with a very high melting point.

Q: Can ball valves be repaired?

A: While they are generally very durable and leak resistant, they are not immune to damage. Luckily, fixing a ball valve is relatively simple once you understand the proper steps of the process.

Q: How do I know if my ball valve is full port?

A: Ball valve ports come in standard or full sizes. The difference can be summed up fairly simply: Full port: The valve port is the same diameter as the pipe. Standard port: The valve port is smaller than the pipe's diameter.

As one of the most professional ball valve manufacturers and suppliers in China, we're featured by quality products and competitive price. Please rest assured to wholesale discount ball valve for sale here from our factory. Contact us for customized service.

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