Industrial valves are mechanical devices that open, close, or partially obstruct passageways to regulate the flow of liquid or gas within a system. With the variety of valve options on the market, finding the one that will provide optimal results in your specific application can be challenging. Having a general understanding of the different valve designs available and how they support specific processing or fluid handling applications is an important first step in the selection process.
While they all provide similar functions, industrial valves have evolved into various types with specialized designs and features to meet a number of application-specific requirements. The main types of valves available and their ideal uses are explored below.
Balancing valves are designed to control flow throughout a system by regulating the flow among multiple flow branches. These valves perform several critical functions in HVAC systems and fluid power applications. In commercial heating and cooling systems, for example, balancing valves enable adjustments to GPM under varying loading conditions. They can also be used to balance the load of double-acting cylinders by providing a counterbalancing force.
A ball valve is a quarter-turn valve that starts or stops the flow of fluids using a hollow, ball-shaped insert. The valve can be quickly opened or closed with a 90-degree turn of the valve handle. With their relatively simple designs, ball valves are low-maintenance, long-lasting, and exhibit minimal leakage if used properly.
These valves are commonly used in fluid, gaseous, and vapor applications that require bubble-tight shut-offs. Although they are mostly used for low-pressure applications, ball valves with metal seats are suitable for high-pressure, high-temperature uses.
Types of industrial ball valves include:
A butterfly valve is a quarter-turn valve with a rotating metal disc that is positioned perpendicular to the stream of fluid when closed. Intermediate rotations of the disc allow for precise regulation of the amount of liquid flowing through a system. They are offered in wafer or lug style variations. Their high accuracy and reliability make them well-suited for a number of industrial applications, including:
Gate valves are designed primarily for blocking flow rather than regulating it. They contain a plate-like barrier (gate) that can be inserted into the stream of a fluid to block its flow. Gate valves share some operational similarities with globe valves, but they provide less flow restriction when in the fully opened position.
Because of this unobstructed flow path, gate valves have significantly reduced head loss when compared with globe valves. However, gate valves are not designed for throttling purposes and may not be capable of producing the positive shut-off that is provided by globe valves. Gate valves are most often used to provide shut-off or isolating capabilities in wastewater plants, power plants, and process plants.
A globe valve is a linear motion valve that uses a globe-shaped disc to stop, start, or regulate flow in pipelines. The movable disc, also referred to as a plug, can be closed against a stationary ring seat to constrict flow. To control disc movement, manually operated globe valves rely on handwheels, while automatic globe valves use actuators and sliding shafts.
Globe valves tend to be more leak-proof than other valves and provide a shorter opening-closing time. These general-purpose valves are primarily used for shut-off and regulation in high-temperature applications such as wastewater plants, process plants, and food processing plants.
Check valves are automatic one-way valves that are designed to allow fluid flow in one direction only. These valves are used in pumps, gas lines, HVAC systems, and other applications requiring one-way fluid movement. Types of check valves include:
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At RED-WHITE VALVE CORP., we design and manufacture a wide range of high-quality commercial and industrial valves and valve accessories, including everything from ball, gate, and globe valves to accessories like electric valve actuators and differential pressure manometers. Our application-specific valves include:
When it comes to industrial fluid handling applications, choosing the right valve is essential for establishing and maintaining a well-functioning, efficiently-operating system. With nearly 50 years of experience in our industry, RED-WHITE VALVE CORP. has the in-depth knowledge and extensive resources to manufacture and supply expertly designed valves for various plumbing, commercial, industrial, and HVAC applications.
Part of our success comes from our ability to manufacture our valves completely in-house, giving us the control needed to ensure that each product is constructed and tested according to the highest industry standards. We also take the time to fully listen to and understand the needs of our customers so that we can deliver carefully targeted products and services for each unique application. With 8 warehouses distributed throughout North America, we can ensure that our customers always have access to the products they need.
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