Solenoid valves rely on an electromagnetic coil to actuate, while pneumatic valves are actuated using compressed air or gases. Pneumatic valves offer higher flow rates, pressure ranges, and can handle harsh conditions compared to solenoid valves.

Pneumatic valve bodies come in various types to match specific applications. Common types include poppet valves for quick response and high flow, spool valves for precise control, and diaphragm valves for handling corrosive or abrasive media.

When selecting pneumatic valve actuators, consider factors such as force requirements, speed, stroke length, environmental conditions, and mounting space. Single-acting, double-acting, and spring-return actuators are common types with varying characteristics.

Regular maintenance ensures optimal performance and longevity of pneumatic valve systems. Key practices include periodic lubrication, filter cleaning or replacement, leak detection, and occasional disassembly for cleaning and inspection.