| Stroke | 40 mm | ||
| Material bearing | POM | ||
| Material cylinder barrel | Anodised wrought aluminium alloy | ||
| Buffer seal material | TPE-U(PU) | ||
| Material piston rod | High-alloy stainless steel | ||
| Material piston seal | TPE-U(PU) | ||
| Note on materials | RoHS-compliant | ||
| Type of mounting | Via female thread With accessories Either: | ||
| Basic weight for 0 mm stroke | 4.551 g | ||
| Moving mass for 0 mm stroke | 1.045 g | ||
| Theoretical force at 0.6 MPa (6 bar, 87 psi), return stroke | 4.418 N | ||
| Impact energy in end positions | 2,5 J | ||
| Corrosion resistance class CRC | 3 - high corrosion stress | ||
| Operating medium | Compressed air to ISO 8573-1:2010 [7:4:4] | ||
| Operating pressure | 0,4 bar ... 12 bar | ||
| Position detection | Via proximity switch | ||
| Piston-rod end | Male thread | ||
| Mounting position | optional | ||
| Piston rod thread | M20x1.5 |
| Material collar screws | Galvanised steel | ||
| Material nut | High-alloy stainless steel | ||
| Cushioning piston material | POM | ||
| Material piston rod wiper | TPE-U(PU) | ||
| Material piston | Wrought aluminium alloy | ||
| Material cover | Die-cast aluminium, coated | ||
| Pneumatic connection | G1/2 | ||
| Additional weight per 10 mm stroke | 106 g | ||
| Additional moving mass per 10 mm stroke | 39 g | ||
| Theoretical force at 0.6 MPa (6 bar, 87 psi), advance stroke | 4.712 N | ||
| Cushioning length | 31 mm | ||
| Ambient temperature | -20 °C ... 80 °C | ||
| Note on operating and pilot medium | Lubricated operation possible (in which case lubricated operation will always be required) | ||
| Mode of operation | Double-acting | ||
| Symbol | 991,235 | ||
| Design | Piston Piston rod Profile barrel | ||
| Conforms to standard | ISO 15552 | ||
| Cushioning | Pneumatic cushioning, adjustable at both ends | ||
| Piston diameter | 100 mm |
