| Stroke | 50 mm | ||
| Material housing | Aluminium Smooth anodised | ||
| Material cover | Wrought aluminium alloy | ||
| Type of mounting | Via female thread With accessories Either: | ||
| Additional weight per 10 mm stroke | 9 g | ||
| Moving mass for 0 mm stroke | 12 g | ||
| Theoretical force at 0.6 MPa (6 bar, 87 psi), return stroke | 51 N | ||
| Ambient temperature | -20 °C ... 80 °C | ||
| Note on operating and pilot medium | Lubricated operation possible (in which case lubricated operation will always be required) | ||
| Operating pressure | 1,6 bar ... 10 bar | ||
| Symbol | 991.217 | ||
| Design | Piston Piston rod | ||
| Mounting position | optional | ||
| Torsional backlash at piston rod +/- | 2,5 deg |
| Material piston rod | High-alloy stainless steel | ||
| Material seals | NBR TPE-U(PU) | ||
| Pneumatic connection | M5 | ||
| Basic weight for 0 mm stroke | 96 g | ||
| Additional moving mass per 10 mm stroke | 2 g | ||
| Theoretical force at 0.6 MPa (6 bar, 87 psi), advance stroke | 68 N | ||
| Max. torque for protection against torsion | 0,1 Nm | ||
| Corrosion resistance class CRC | 2 - Moderate corrosion stress | ||
| Operating medium | Compressed air to ISO 8573-1:2010 [7:4:4] | ||
| Protection against torque/guide | Oval piston | ||
| Position detection | Via proximity switch | ||
| Mode of operation | Double-acting | ||
| Cushioning | Elastic cushioning rings/plates at both ends | ||
| Piston diameter | 12 mm Equivalent diameter |
