Ball Valve Manufacturers
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How to Select the Best Ball Valves for Your Needs ?
It is critical to understand the specific requirements of your application before purchasing a ball valve. This is necessary for the ball valve to perform effectively, safely, and for it to last a long time. Here are some of the most significant elements to consider when choosing a valve that will last for many years.
When you choose ball valves, there are a few things to keep in mind.
The Flow Media
The process media’s features have a big impact on the whole system, including how the ball valve works. You must determine them in order to ensure that you utilize the correct ball valve for your application. You should consider the following factors, but they are not exhaustive:
The media’s flow qualities, such as viscosity and materials that pass through the system; if the process fluid is abrasive or corrosive;
The chemical reaction between the media and the valve and other system components is a possibility.
The Purpose and Function
Depending on the application, ball valves may be required to perform additional duties. Ball valves come in a variety of sizes and shapes, making them suitable for a wide range of applications.
Should the valve, for example, entirely stop and start the flow or is it also used for throttling? Is it necessary to control or release system pressure? What is the maximum amount of leakage that the system can tolerate? How precisely should the flow be controlled by the valve? Identifying the functions of your ball valve will help you choose the proper one for delivering safely and effectively.
The Temperatures at Work
Ball valves shut-off feature is also utilized to handle hot and cold liquids. It’s also critical to determine the temperature of the process media since this will assist you to select the right ball valve brand. Stainless steel, carbon steel, PTFE, PVC, and other materials are utilized in the construction of industrial valves. Each one is designed to work in a specified temperature range.
The Pressure at Work
Ball valves include shut-off characteristics that are designed to manage a variety of liquid pressures. It is critical to know the pressure range through which the ball valve will operate. This enables you to select the proper size and maximum pressure capacity for the job at hand.
Cleaning and Maintenance Requirements
Maintenance and cleaning requirements are also critical because they affect the overall system’s performance. Is it simple to maintain the valves? How often do the valves need to be serviced? These inquiries will assist you in determining whether the valves are appropriate and practical for the whole application.
Collaboration with Other System
Other Application Specific Conditions
Collaboration with Other System Components
Before buying a ball valve, it is essential that you understand the specific requirements of your application. This is for the ball valve to function efficiently, safely, and have a long service life. To guide you, here are the important factors that will help you select the right valve that will serve you for many years.
This is a stopper that can only be rotated 90 degrees. It is commonly used to correctly regulate flow in industrial applications such as petrochemical and chemical, plumbing services, human workstations, and other critical machinery. It also serves as a safety element by ensuring that the flow is entirely stopped.
An anti-static device prevents a buildup of static electricity due to valve friction. A static buildup is a fire hazard, particularly if the media flow is flammable.
Standard Face-to-face Dimensions
These specifications meet ASME requirements, making it simple to change and replace the valve with valves from other manufacturers.
Indicators of Position
The direction of the flow is indicated by a position indicator. It is widely used in multi-port ball valves and sits on top of the ball. It’s also used to make sure a ball valve is properly aligned. To minimize damages and significant injuries in industrial processes, it is critical to be fully informed of valve operations.
Blow-out Proof Stem
A blow-out-proof stem contributes to safe and smooth industrial operations. It is an excellent addition that ensures the valve stem will not fly or blow out when the ball valve is receiving too much pressure.
Oil and Gas Industries
In the oil and gas industries, the pipelines used mostly need to be manually operated and should withstand critical service conditions. These will include extremely high pressures and temperatures or severely low pressures and cryogenic temperatures. These industries also include applications with high corrosion and erosion to which the ball valves must endure.
Water and Wastewater Applications
Ball valves used in water and wastewater applications need to conform to a range of requirements. The materials of ball valves used in these operations should be able to endure the chemical substances present in the process flow. Most of these applications may involve water that contains solids and other types of materials that could lead to buildup. The valves used must be able to handle material buildups and clogging to avoid disrupting the entire system.
Pharmaceutical and chemical industries
Ball valves used in the pharmaceutical and chemical industries should adhere to strict safety standards depending on the process media. For example, the materials of the valves must be non-reactive with any chemicals they will come in contact with. Also, in most applications, the materials should have excellent resistance to corrosion and
abrasion. Some applications also involve extreme temperatures and pressures. The ball valves used in these industries are required to provide accurate flow control and avoid any chances of leakage of dangerous materials.
Food and Beverage Industries
Food and beverage industries require strict sanitary guidelines to which ball valves must comply. Some of these require the valves to have
smooth surfaces without any pores and crevices in which materials and bacteria could build up. The materials the valves are made should not affect, like contaminate or degrade, the product.
In most applications, ball valves used in large pipelines need to be”piggable.” This means that the valve bore should have a diameter that fits a pipeline pig to perform inspections, cleaning, and maintenance tasks. In most services, full bore ball valves are used, which have a similar size to the pipelines when in an open position.
Ball Valve Types classified by Material
Ball valves might serve the same function of providing a positive shut-off. However, they are not all the same and each is specifically designed to function with certain materials, pressure rating, temperature, etc. To help you understand which ball valve you need, here is a breakdown of the different ball valve types.
Stainless Steel Ball Valves
Forged Steel Ball Valves
Cast Steel Ball Valves
Cast Iron Ball Valves
Design Types of Ball Valves
Trunnion Mounted Ball Valves
Floating Ball Valves
Double Block and Bleed Ball Valves
Ball Valve Types classified by Bore Size
Ball Valves with Full Bore and Full Port
Reduced Bore Ball Valves
One-piece reduced bore ball valve
V-notch / V-port Ball Valves
Ball Valve Types classified by Number of Ports
Two-port / Two-way Ball Valves
Three-port / Three-way Ball Valves
A three-way ball valve is a multi-port valve with three ports: one inlet port and two exit ports. It is a better alternative to a two-way ball valve for sophisticated flow control.
It is commonly used in process applications in the oil and gas sectors, as well as power generation plants, due to its reliable sealing and compact construction. It’s also employed in various industrial applications where pressure flow needs to be diverted.
A three-way ball valve’s structure allows it to be cleaned, repaired, or maintained in-line, ensuring that system operation is not disrupted. It’s also simple to use and has low torque thanks to the stem’s unique shape. Its 90-degree twisting mechanism allows the ball valve to open and close entirely rapidly.
Ball Valve Types classified by Assembly
One-piece Ball Valves
Two-piece Ball Valves
A two-piece ball valve has a floating ball and a body that consists of two pieces that are joined together with bolts and flanges. The two-piece design has more variations when it comes to sizes and connection types compared to one-piece designs. It’s the most commonly used assembly for industrial ball valves.
It is widely used in low-pressure and low-temperature applications to maintain positive sealing. It is used in many industries, including the oil and gas industries, hydrocarbon processing, water and wastewater treatment plants, chemical applications, and more.
A significant advantage of a two-piece ball valve is It provides easier assembly and operation wherein the procedure, such as maintenance, can be performed in-line.
Three-piece Ball Valves
Three parts make up a three-piece ball valve: two end caps and one body, with the end caps usually welded or threaded to the pipe. This assembly type is more effective than the one-piece or two-piece design when significant demands are placed on the valve.
A three-piece ball valve is ideal for high-pressure, high-temperature, and high-flow applications. It’s also employed when a project has unique requirements, like as cleanliness, cryogenic applications, or piggable services.
A three-piece design offers easy and quick access for valve maintenance without shutting down the process line, which is a significant benefit. The main body area can be readily pulled out without removing the end caps during the surgery. This allows for easy disassembly, reassembly, and servicing without the need for large system cuts.
Top-entry Ball Valves
Side-entry Ball Valves
Ball Valve Types classified by Valve End Connection
Flange ball valve
Welded Ball Valves
There are two types of welded connections:
Threaded Ball Valves
There are two types of threading – male and female threads, and parallel and tapered threads:
Male / Female Threads
Parallel / Tapered Threads
Ball Valve Types Classified by Seat Type
Metal Seated Ball Valve
Soft-seated Ball Valves
Ball Valve Types Classified by Service Conditions
High-temperature Ball Valves
Cryogenic Ball Valves
Fire-safe Ball Valves
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