Series CHN Double acting/Single rod Hydraulic fluid 7 MPa 10.5 MPa 9 MPa 0.3 MPa Without auto switch: .10° to 80°C With auto switch: .10° to 60°C 8 to 300 mm/s Cushion seal to 250 mm 251 to 800 mm Basic style, Axial foot style Head flange style, Rod flange style Single clevis style Note) Refer to page 1234 for definitions of terms related to pressure. Specifications Action Fluid Nominal pressure Proof pressure Maximum allowable pressure Minimum operating pressure Ambient and fluid temperature Piston speed Cushion Mounting style Stroke length tolerance +1.0 0 +1.4 0 Mounting style Accessories Standard Mounting nut Rod end nut Basic Axial foot Head flange Rod flange Single clevis (2 pcs.) (2 pcs.) (1 pc.) (1 pc.) . Option I-type single knuckle joint Y-type double knuckle joint Bracket for clevis type Knuckle pin Bracket pin Refer to page 1327 Bore size (mm) 20 . When ordering the axial foot type, order 2 pieces for each cylinder. Axial foot . Flange CHN-L020 CHN-F020 CHN-L025 CHN-F025 CHN-L032 CHN-F032 CHN-L040 CHN-F040 25 32 40 Mounting Brackets: Part Nos. Bore size (mm) 20 25 32 40 Standard strokes (mm) Long stroke . Standard strokes above have a minimal delivery time. . Consult with SMC. Consult with SMC for the manufacture of strokes other than the above. 25 to 300 25 to 400 25 to 500 800 Standard Strokes: Refer to page 1329 for minimum strokes for auto switch mounting. Standard mineral hydraulic fluid W/O hydraulic fluids O/W hydraulic fluids Water/Glycol hydraulic fluids Phosphate hydraulic fluids Compatible Compatible Compatible . Not compatible Hydraulic Fluid Compatibility Bore size (mm) 20 25 32 40 Hydraulic fluid Compatibility 1318