| Material piston rod | High-alloy stainless steel | ||
| Type of mounting | With through-hole | ||
| Note on materials | RoHS-compliant | ||
| Material seals | HNBR | ||
| Stroke | 80 mm | ||
| Adjustable end position range/length rear | 49,5 mm | ||
| Operating mode, drive unit | Yoke | ||
| Mounting position | optional | ||
| Design | Yoke Piston Piston rod Slide | ||
| Symbol | 991.263 | ||
| 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 | 0 °C ... 60 °C | ||
| Cushioning length | 1,2 mm | ||
| Max. force Fz | 4.032 N | ||
| Max. moment My | 50 Nm | ||
| Theoretical force at 0.6 MPa (6 bar, 87 psi), return stroke | 247 N | ||
| Moving mass | 998 g |
| alternative connections | See product drawing | ||
| Pneumatic connection | G1/8 | ||
| Material cover | Wrought aluminium alloy | ||
| Material housing | Wrought aluminium alloy | ||
| Adjustable end position range/length front | 50,5 mm | ||
| Piston diameter | 25 mm | ||
| Cushioning | Elastic cushioning rings/plates at both ends | ||
| Guide | Ball bearing cage guide | ||
| Position detection | Via proximity switch | ||
| Operating pressure | 1 bar ... 8 bar | ||
| Repetition accuracy | 0.3 mm | ||
| Operating medium | Compressed air to ISO 8573-1:2010 [7:4:4] | ||
| Corrosion resistance class CRC | 0 - No corrosion stress | ||
| Impact energy in end positions | 0,45 J | ||
| Max. force Fy | 4.032 N | ||
| Max. moment Mx | 75 Nm | ||
| Max. moment Mz | 50 Nm | ||
| Theoretical force at 0.6 MPa (6 bar, 87 psi), advance stroke | 295 N | ||
| Product weight | 2.459 g |
