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High Quality High Pressure Pn16/25/40 Corrosion-Resistant CF8/CF8m Flange Stainless Steel Pneumatic Electric Globe Valve1
Valve, Valve, Globe Valve
YOONAD VALVE (WUXI) CO., LTD.
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Product Description The following is an introduction to globe valves, we also have a variety of valves, providing customized services, if you are interested, you can browse my homepage, looking forward to your inquiry.Cast steel is a common material used in industrial valves due to its strength, durability, and resistance to corrosion. Cast steel globe valves are suitable for a wide range of applications, including oil and gas, petrochemical, power generation, and water treatment.These valves are available in various sizes, pressure ratings, and configurations to meet the specific requirements of different industries and applications. They are often used in systems where precise control of flow is necessary, such as in throttling or isolation applications.ANSI cast steel globe valves offer several advantages over other types of valves:Excellent Flow Regulation: Globe valves provide precise control over flow rates, making them ideal for applications requiring accurate flow regulation.Versatility: These valves are suitable for a wide range of applications, including high-pressure and high-temperature environments, due to their robust construction and materials.Durable Construction: ANSI cast steel globe valves are made from cast steel, which is highly durable and resistant to corrosion, ensuring a long service life even in harsh operating conditions.Tight Shut-Off: When fully closed, globe valves provide a tight seal against the flow of fluid, minimizing the risk of leakage or loss of pressure in the system.Reliable Performance: These valves are designed and manufactured according to ANSI standards, ensuring consistent and reliable performance over time.Ease of Maintenance: ANSI cast steel globe valves are typically designed for easy maintenance, with accessible internal components and straightforward disassembly/reassembly procedures.Wide Range of Sizes and Pressure Ratings: Globe valves are available in a variety of sizes and pressure ratings to suit different applications, from small-scale systems to large industrial installations.Compatibility: ANSI standards ensure compatibility with other components and systems, making it easier to integrate globe valves into existing infrastructure.Overall, ANSI cast steel globe valves offer precise flow control, durability, reliability, and ease of maintenance, making them a preferred choice for many industrial applications.The operation of an ANSI cast steel globe valve involves the movement of a disk or plug within the valve body to control the flow of fluid through the pipeline. Here's how it works:Valve Body: The body of the globe valve typically has a globular shape, hence the name "globe valve." It consists of an inlet and an outlet port, with a chamber in between where the disk or plug is housed.Disk or Plug: Inside the valve body, there is a disk or plug mechanism that can move up and down (or linearly) within the chamber. This disk or plug is connected to a stem, which extends outside the valve body for manual operation via a handwheel or actuator.Flow Control: When the valve is in the fully open position, the disk or plug is lifted or moved away from the valve seat, allowing fluid to flow freely through the valve with minimal obstruction. As the disk or plug is lowered or moved towards the seat, it restricts the flow of fluid, eventually stopping it completely when the valve is fully closed.Sealing Mechanism: When the disk or plug is in the closed position, it forms a seal against the valve seat, preventing any leakage of fluid through the valve. This sealing mechanism ensures that the valve provides tight shut-off when closed, minimizing the risk of leaks or spills.Regulating Flow: Globe valves are particularly well-suited for applications that require precise control of flow rate. By adjusting the position of the disk or plug within the valve body, operators can regulate the flow of fluid through the pipeline to meet specific process requirements.Actuation: In addition to manual operation via a handwheel, ANSI cast steel globe valves can also be equipped with actuators for automated control. Actuators, such as electric, pneumatic, or hydraulic actuators, can be used to remotely operate the valve, allowing for automated flow control based on process parameters or signals from a control system.Overall, the operation of an ANSI cast steel globe valve involves the movement of a disk or plug to control the flow of fluid through the pipeline, providing precise regulation and reliable shut-off when needed. Non-rotating stem with precision Acme threads and burnished finish. Double Acme for faster operation.Body and bonnet joint accurately machined. Body and bonnet castings are precision machined.One-piece bonnet for better alignment and fewer parts for Class 150 up to NPS 16 (DN 400).Flanges:ASME Classes: 150-300: 1?16" raised face ASME Classes: 600-1500: ?" raised face Finish: 125-250 AARH for all valves.Rotating stem nut is Austenitic ductile iron Gr. D-2C renewable in line (as shown).When handwheel is used, thrust bearings are supplied as follows:ASME Classes 150-300: NPS 10-12 (DN 250-300), 1 bearing (top)NPS 14 (DN 350) and up, two bearingsASME Classes 600-1500: NPS 6 (DN 150) and up.
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