| Mounting position | optional | ||
| Material piston rod | High-alloy stainless steel | ||
| Material cover | Wrought aluminium alloy Colourless anodised | ||
| Pneumatic connection | G1/8 | ||
| Additional weight per 10 mm stroke | 7,2 g | ||
| Additional moving mass per 10 mm stroke | 4 g | ||
| Theoretical force at 0.6 MPa (6 bar, 87 psi), advance stroke | 188,5 N | ||
| Cushioning length | 15 mm | ||
| Ambient temperature | -20 °C ... 80 °C | ||
| Corrosion resistance class CRC | 2 - Moderate corrosion stress | ||
| Operating medium | Compressed air to ISO 8573-1:2010 [7:4:4] | ||
| Operating pressure | 1 bar ... 10 bar | ||
| Symbol | 991.235 | ||
| Design | Piston Piston rod Cylinder barrel | ||
| Conforms to standard | CETOP RP 52 P ISO 6432 | ||
| Piston rod thread | M8 | ||
| Stroke | 320 mm |
| Material cylinder barrel | High-alloy stainless steel | ||
| Material seals | NBR TPE-U(PU) | ||
| Note on materials | RoHS-compliant | ||
| Type of mounting | With accessories | ||
| Basic weight for 0 mm stroke | 186,8 g | ||
| Moving mass for 0 mm stroke | 44 g | ||
| Theoretical force at 0.6 MPa (6 bar, 87 psi), return stroke | 158,3 N | ||
| Impact energy in end positions | 0,2 J | ||
| LABS (PWIS) conformity | VDMA24364-B1/B2-L | ||
| Note on operating and pilot medium | Lubricated operation possible (in which case lubricated operation will always be required) | ||
| Mode of operation | Double-acting | ||
| Variants | Piston rod at one end | ||
| Position detection | Via proximity switch | ||
| Piston-rod end | Male thread | ||
| Cushioning | Pneumatic cushioning, adjustable at both ends | ||
| Piston diameter | 20 mm |
