The compliance standard is JIS K630 (former JIS A type)
Specification item model symbol Specification information With auto switch D With auto switch installation support B Basic type form N rubber cushion tube inner diameter 25 tube inner diameter 25mm cylinder stroke 50 50mm rod end screw - rod end male thread Stroke adjustment symbol - doesn't exist dual stroke mark - No dual stroke mark cylinder stroke 2 - Cylinder stroke 2 None rod end screw 2 - rod end male thread 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 Custom made specifications - standard
Specification item model symbol Specification information With auto switch D With auto switch Mounting support type B Basic type (with bosses on both sides) tube inner diameter 25 tube inner diameter 25mm cylinder stroke 125 Cylinder stroke 125mm Cylinder additional symbol A Air cushion
Double Overwind Spring
SMC CQSS Series, Compact Type Cylinder, dbl act,anti-lateral, CDQSBS20-50DC Stroke_1812^225mm The compliance standard is JISOVERVIEW Square type with shorter overall length, auto switch can be mounted on 3 or 4 sides Compact cylinder that does not protrude from the main body when auto switch is attached. Newly added support bracket for double clevis and compact foot type bracket. With auto switch (CDQS series: CDQS, CDQSW, CDQSK, CDQSKW, CDQS S) Specification item model symbol Specification information built in magnet D built in magnet installation support B Through hole