Samson pneumatski Rotacioni aktuatori TIP 3278 i Pfeiffer BR31a(AT)
Application
Pneumatic actuators for butterfly or other control devices with rotary closure member. For both control and on-off operation.
Characteristics
• Different ranges of control pressure
• Installation of positioners, limit sensors and solenoid valves and other devices according to VDI / VDE 3845
• Outlet locking screws for working stroke angle limit · Installation and readjusting without special instrument
Versions
- Type 3278 • Simple-action pneumatic rotary actuator with diaphragm and internal springs
- Pfeiffer-type BR-31a (AT) • Pneumatic piston actuator with power transmission without clearance thanks to involute serrations and special doped surface treatment. Type SRP – single-acting with spring-return mechanism. Type DAP – double-acting without spring-return mechanism.
Accessories
Pneumatic actuators can be equipped with positioners, analog limit sensors, limit switches and solenoid valves.
Further versions
Additional manual doubler