| Design | Twin piston Yoke Piston rod Slide | ||
| Pneumatic connection | M5 | ||
| Material cover | Wrought aluminium alloy | ||
| Material guide | POM TPE-E High-alloy steel | ||
| Material piston rod | High-alloy stainless steel | ||
| Adjustable end position range/length front | 16,3 mm | ||
| Piston diameter | 8 mm | ||
| Cushioning | Elastic cushioning rings/plates at both ends | ||
| Guide | Recirculating ball bearing guide | ||
| Symbol | 991.249 | ||
| Max. speed | 0,8 m/s | ||
| Mode of operation | Double-acting | ||
| Note on operating and pilot medium | Lubricated operation possible (in which case lubricated operation will always be required) | ||
| Ambient temperature | -10 °C ... 60 °C | ||
| Cushioning length | 1,5 mm | ||
| Max. force Fz | 275 N | ||
| Max. moment My | 2 Nm | ||
| Theoretical force at 0.6 MPa (6 bar, 87 psi), return stroke | 45 N | ||
| Moving mass | 88,4 g |
| Type of mounting | With through-hole | ||
| Note on materials | RoHS-compliant | ||
| Material seals | HNBR | ||
| Material housing | Wrought aluminium alloy | ||
| Stroke | 20 mm | ||
| Adjustable end position range/length rear | 14,4 mm | ||
| Operating mode, drive unit | Yoke | ||
| Mounting position | optional | ||
| Position detection | Via proximity switch | ||
| Operating pressure | 21,75 psi ... 116 psi | ||
| Repetition accuracy | <= 0.3 mm | ||
| Operating medium | Compressed air to ISO 8573-1:2010 [7:4:4] | ||
| Corrosion resistance class CRC | 1 - Low corrosion stress | ||
| Impact energy in end positions | 0,05 J | ||
| Max. force Fy | 275 N | ||
| Max. moment Mx | 2 Nm | ||
| Max. moment Mz | 2 Nm | ||
| Theoretical force at 0.6 MPa (6 bar, 87 psi), advance stroke | 60 N | ||
| Product weight | 170,8 g |
