SMC CQ2W Z Series Compact Cylinder. Double Acting , Double Rod, CQ2WB40 25DMZ ARS Specification item model symbol Specification Specification item model symbol Specification information With auto switch Without auto switch Mounting support type B Basic type tube inner diameter 16 tube inner diameter 16mm cylinder stroke 5 dual stroke mark No dual stroke mark cylinder stroke 2 Cylinder stroke 2 None Cylinder additional symbol A air cushion Port location on head cover 90° about axis rocking support bracket no metal fittings rod end bracket no metal fittings auto switch Without auto switch Auto switch additional symbol 2 with or without Auto switch mounting type doesn't exist Custom made specifications standard Specification item model symbol Specification information With auto switch Without auto switch installation support B Basic type tube material aluminum tube tube inner diameter 80 Tube inner diameter 80mm Types of port screws Rc cylinder stroke 125 Cylinder stroke 125mm Cylinder additional symbol No bellows