Pneumatic Actuator Ball Valve Classification
Pneumatic actuator ball valves are categorized based on actuator design, valve structure, and functionality, each suited to specific applications.
By Actuator Type
- Single-acting actuators: Use compressed air to move the valve in one direction (opening) and a spring to return it (closing), enhancing safety in power failures.
- Double-acting actuators: Rely on air pressure for both opening and closing, offering higher torque and faster operation but requiring continuous pressure.
By Valve Port Design
- 2-way valves: Control flow between two ports
- 3-way valves: Divert or mix flow among three ports
- 4-way valves: Manage complex flow paths
- Port sizes range from ¼-inch for precision systems to 24-inch for industrial pipelines
By Functionality
- On/off valves: Full open/close operation
- Control valves: Modulate flow via positioners
- Specialized variants include high-pressure, corrosion-resistant (stainless steel/PTFE), and explosion-proof designs
These variations ensure compatibility with diverse industries, from water treatment (2-way on/off valves) to chemical processing (corrosion-resistant 3-way valves).
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