Festo, stand.based cyl DSNU-25, 193991

Technical Data ISO cylinder DSNU-25- -

• Stroke1 mm ... 500 mm
• Piston diameter25 mm
• CushioningElastic cushioning rings/plates at both ends Self-adjusting pneumatic end-position cushioning Pneumatic cushioning, adjustable at both ends
• Mounting positionAny
• Conforms to standardISO 6432
• DesignPiston Piston rod Cylinder barrel
• Position detectionVia proximity switch
• VariantsAdvancing stroke adjustment Weld spatter protection Extended male piston rod thread Piston rod with female thread Custom thread on the piston rod Piston rod with external hexagon Additional slide, standard, on left Low friction for balancer applications Bearing cap without mounting thread Swivelling rod eye mounting on the end cap Module for reaching a specific end position in case of a pressure failure Transverse force increased Reinforced piston rod Uniform, slow movement Low friction Through, hollow piston rod Additional PTFE piston guide
• Protection against torque/guideSquare piston rod
• Operating pressure0.1 MPa ... 1 MPa
• Operating pressure1 bar ... 10 bar
• Mode of operationDouble-acting
• CE mark (see declaration of conformity)To EU Explosion Protection Directive (ATEX)
• UKCA marking (see declaration of conformity)To UK EX instructions
• Explosion protection certification outside the EUEPL Db (GB) EPL Gb (GB)
• Explosion protectionZone 1 (ATEX) Zone 1 (UKEX) Zone 2 (ATEX) Zone 21 (ATEX) Zone 21 (UKEX) Zone 22 (ATEX)
• ATEX category gasII 2G
• ATEX category dustII 2D
• Explosion ignition protection type for gasEx h IIC T4 Gb
• Explosion ignition protection type for dustEx h IIIC T120°C Db
• Explosion ambient temperature-20°C <= Ta <= +60°C
• Operating mediumCompressed air to ISO 8573-1:2010 [7:4:4]
• Note on operating and pilot mediumLubricated operation possible (in which case lubricated operation will always be required)
• Corrosion resistance class CRC2 - Moderate corrosion stress 3 - high corrosion stress
• LABS (PWIS) conformityVDMA24364-B1/B2-L VDMA24364 zone III
• Ambient temperature-20 °C ... 120 °C
• Impact energy in end positions0.15 J ... 0.3 J
• Theoretical force at 0.6 MPa (6 bar, 87 psi), advance stroke247 N ... 295 N
• Type of mountingWith accessories
• Pneumatic connectionG1/8
• Note on materialsRoHS compliant
• Material coverWrought aluminium alloy
• Material sealsNBR TPE-U(PU)
• Material piston rodHigh-alloy stainless steel
• Material cylinder barrelHigh-alloy stainless steel