Swissfluid – Pneumatic Quarter Turn Actuator SPA-R

Swissfluid – Pneumatic Quarter Turn Actuator SPA-R

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



Body Stainless steel 316 polished
Accessories Solenoid valves, limit switches, P/P and I/P positioners, emergency manual override gearbox, mufflers, throttling valves