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Butterfly valves are quarter-turn valves used to regulate the flow of fluids in pipelines. They consist of a circular disc or vane that rotates within the valve body to either allow or restrict flow. Typically made from materials such as cast iron, stainless steel, or PVC, these valves are known for their lightweight design and ease of operation. They are commonly used in various applications due to their ability to provide a tight seal and quick shut-off capabilities.
| Material | Cast iron, stainless steel, or PVC |
| Size range | 2 inches to 48 inches |
| Pressure rating | Up to 300 psi |
| Temperature range | From -20°F to 250°F |
| End connections | Flanged, threaded, or wafer style |
| Actuation type | Manual, electric, or pneumatic |
When selecting butterfly valves, consider the material based on the fluid being handled and the environmental conditions. It's important to specify the size, pressure rating, and temperature range to ensure compatibility with your system. Additionally, inquire about actuation options and whether you need manual or automated controls. Certifications such as ANSI or API may be relevant depending on the application, so check for compliance with industry standards.
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Butterfly valves use a rotating disc to control flow, while gate valves use a sliding gate.
Yes, but they are primarily designed for on/off control.
Common materials include cast iron, stainless steel, and PVC.
Size is determined by the diameter of the pipe and the flow requirements.
Yes, but ensure you select a valve with an appropriate pressure rating.
They can be manually operated, electrically actuated, or pneumatically actuated.
Yes, regular inspection and maintenance are recommended to ensure proper function.