| Distance from centre of gravity of load to yoke plate xs | 0 mm | ||
| Adjustable end-position range/length | 10 mm | ||
| Operating mode, drive unit | Yoke | ||
| Mounting position | optional | ||
| Design | Guidance | ||
| Symbol | 991.249 | ||
| 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 | -20 °C ... 80 °C | ||
| Max. effective load dependent upon stroke at defined distance xs | 28 N | ||
| Theoretical force at 0.6 MPa (6 bar, 87 psi), advance stroke | 590 N | ||
| Pneumatic connection | M5 | ||
| Material seals | NBR | ||
| Material piston rod | High-alloy stainless steel |
| Stroke | 40 mm | ||
| Piston diameter | 25 mm | ||
| Cushioning | Elastic cushioning rings/plates at both ends | ||
| Guide | Plain-bearing guide | ||
| Position detection | Via proximity switch | ||
| Operating pressure | 1 bar ... 10 bar | ||
| Operating medium | Compressed air to ISO 8573-1:2010 [7:4:4] | ||
| Corrosion resistance class CRC | 2 - Moderate corrosion stress | ||
| Impact energy in end positions | 0,3 J | ||
| Theoretical force at 0.6 MPa (6 bar, 87 psi), return stroke | 452 N | ||
| alternative connections | See product drawing | ||
| Material cover | Wrought aluminium alloy | ||
| Material housing | Wrought aluminium alloy |
