| Stroke | 1 mm ... 400 mm | ||
| Cushioning | Elastic cushioning rings/plates at both ends | ||
| Mode of operation | Double-acting | ||
| Design | Piston Piston rod | ||
| Symbol | 991.217 | ||
| Operating pressure | 8,7 psi ... 145 psi | ||
| Note on operating and pilot medium | Lubricated operation possible (in which case lubricated operation will always be required) | ||
| LABS (PWIS) conformity | VDMA24364-B1/B2-L | ||
| Impact energy in end positions | 1 J | ||
| Theoretical force at 0.6 MPa (6 bar, 87 psi), advance stroke | 4.712 N | ||
| Additional moving mass per 10 mm stroke | 38 g | ||
| Additional weight per 10 mm stroke | 177 g | ||
| Pneumatic connection | G1/4 | ||
| Material cover | Wrought aluminium alloy | ||
| Material piston rod | High-alloy stainless steel |
| Piston diameter | 100 mm | ||
| Mounting position | optional | ||
| Piston-rod end | Female thread | ||
| Position detection | Via proximity switch | ||
| Variants | High corrosion protection | ||
| Operating medium | Compressed air to ISO 8573-1:2010 [7:4:4] | ||
| Corrosion resistance class CRC | 3 - high corrosion stress | ||
| Ambient temperature | -20 °C ... 80 °C | ||
| Theoretical force at 0.6 MPa (6 bar, 87 psi), return stroke | 4.418 N | ||
| Moving mass for 0 mm stroke | 614 g | ||
| Basic weight for 0 mm stroke | 2.797 g | ||
| Type of mounting | With through-hole With accessories Either: | ||
| Material collar screws | High-alloy stainless steel | ||
| Material dynamic seals | NBR TPE-U(PU) | ||
| Material cylinder barrel | Wrought aluminium alloy |
