Multi-Spring Pneumatic Diaphragm Actuators Type P/R
Diaphragm Actuators designed by SMART VALVES are known for their durability,
performance and, most importantly, their widely adaptable features to fully suit the customers’ needs. The multi-spring pneumatic diaphragm (membrane) actuators of P/R column style are applied for control operation of control valves and other positioning elements in industrial automatic systems.
Design option for Diaphragm Actuator
- Direct action (air – ejects the stem) – type P,
- Reverse action (air – retracts the stem) – type R,
- Direct action, handwheel – type PN,
- Reverse action, handwheel – type RN
| Technical Table | |
| Active area of the membrane | 160, 250, 400, 630, 2×630, 1000, 1500, 2×1500 cm² |
| Stroke | 20, 38, 50, 63, 80, 100 mm |
| Spring range | 20…100 kPa up to 180… 380 kPa |
| Maximum supply pressure | 600 kPa (for 160, 250, 400 and 630 cm²) 500 kPa (for 2×630, 1000, 1500 and 2×1500 cm²) |
| Working temperature | – 40 … + 80°C |
| Handwheel | top mount |
