Pneumatic Quarter Turn Actuator SPA-R
Pneumatic Quarter Turn Actuators SPA-R are ideal for trouble-free, modular automation of process valves such as butterfly, plug and ball valves or as a control unit on reactor sampling systems.
Main features
• Robust Rack & Pinion construction
• For dry or lubricated, filtered compressed air
• Plant-side lubricated for 1’000’000 cycles
• Hard anodized / epoxy coated body for excellent corrosion protection
• Multiple bolt circles according to ISO 5211-DIN 3337 for direct automation
• Top drillings according to NAMUR VDI\VDE-3845 for accessory mounting
• Visual position indicator
• Pre-compressed spring cartridges for safe dismantling
Technical Data
| Verison | Double acting DA | Single acting FC/FO |
| Sizes | TR 50 – TR 420 | |
| Air supply | Dry or lubricated, filtered air | |
| Pressure | min. pressure 1 bar, max. pressure 8 bar | |
| Torque | double acting single acting | 20 Nm up to 10’025 Nm (at 6 bar) 12 Nm up to 5’980 Nm (at 6 bar) |
| Rotation angle | 90° | |
| Limit stop | ±5° | |
| Lubrication | plant-side lubricated for 1 Million cycles | |
| Temperature | -20°C up to +80°C (high/low temp seals available) | |
| Body | Aluminum, hard anodized |
Options
| Body | Stainless steel 316 polished |
| Accessories | Solenoid valves, limit switches, P/P and I/P positioners, emergency manual override gearbox, mufflers, throttling valves |
