SI Series ISO 6431 Pneumatic Cylinder

SI Series pneumatic cylinders, ISO 6431/15552 compliant. Robust design, 32-200mm bore & 50-1000mm stroke. Adjustable end cushioning for smooth, quiet operation. Direct DSBC replacement, offering flexibility.


Technical Parameter


Standard Cylinder Ordering Code

Bore(mm) 32 40 50 63 80 100 125 160 200
Motion Pattern Double Action
Working Medium Air
Fixed Type Normal type FA/Type FB/Type CA/Type CB/Type SDB/Type LB/Type TC/Type
Working Pressure Range 0.1~0.9MPa
Ensured Pressure Resistance 1.35MPa
Operating Temperature Range -5~70℃
Operating Speed Range 50~800mm/s
Buffer Type Adjustable Buffer
Buffer Stroke 24 32
Port Size G1/8″ G1/4″ G3/8″ G1/2″ G3/4″

 


Dimension Drawing


Standard Cylinder Overall Dimensions

Bore/Symbol A A1 A2 B C D E F G H I J K L
32 142 190 185 48 94 30 32 16 27.5 22 17 6 M10×1.25 M6
40 159 213 205 54 105 35 36 18 29 24 19 7 M12×1.25 M6
50 175 244 231 70 105 40 45 25 30 32 24 8 M16×1.5 M8
63 190 259 245 70 120 45 46 24 3 32 24 8 M16×1.5 M8
80 214 300 283 86 128 45 56 30 35 40 30 10 M20×1.5 M10
100 229 320 298 89 138 55 57 32 36 40 30 10 M20×1.5 M10
125 279 398 368 118 160 60 73 45 46 54 41 10 M27×2 M12
160 332 484 448 152 180 65 94 58 50 72 55 18 M36×2 M16
200 337 494 452 157 180 75 100 51 51 72 55 18 M36×2 M16

 

Bore/Symbol N O P Q R S T V W Z
32 13.5 G1/8″ 4 7.5 7 47 32.5 12 10 21
40 16 G1/4″ 6 8.5 9 53 38 16 13 21
50 15.5 G1/4″ 8.5 7.5 7.5 65 46.5 20 17 23
63 16.5 G3/8″ 7.5 8.5 9 75 56.5 20 17 23
80 16.5 G3/8″ 11 8.5 13.5 95 72 25 22 29
100 18.5 G1/2″ 13.5 9.5 14.5 115 89 25 22 29
125 23 G1/2″ 14 12 14 140 110 32 28 35
160 25 G3/4″ 15 12 20 180 140 40 36 40
200 25 G3/4 15 12 20 220 175 40 36 40

Dimension Drawing


Standard Cylinder Overall Dimensions

Bore/Symbol A A1 A2 B C D E F G H I J K L
32 142 190 185 48 94 30 32 16 27.5 22 17 6 M10×1.25 M6
40 159 213 205 54 105 35 36 18 29 24 19 7 M12×1.25 M6
50 175 244 231 70 105 40 45 25 30 32 24 8 M16×1.5 M8
63 190 259 245 70 120 45 46 24 3 32 24 8 M16×1.5 M8
80 214 300 283 86 128 45 56 30 35 40 30 10 M20×1.5 M10
100 229 320 298 89 138 55 57 32 36 40 30 10 M20×1.5 M10
125 279 398 368 118 160 60 73 45 46 54 41 10 M27×2 M12
160 332 484 448 152 180 65 94 58 50 72 55 18 M36×2 M16
200 337 494 452 157 180 75 100 51 51 72 55 18 M36×2 M16

 

Bore/Symbol N O P Q R S T V W Z
32 13.5 G1/8″ 4 7.5 7 47 32.5 12 10 21
40 16 G1/4″ 6 8.5 9 53 38 16 13 21
50 15.5 G1/4″ 8.5 7.5 7.5 65 46.5 20 17 23
63 16.5 G3/8″ 7.5 8.5 9 75 56.5 20 17 23
80 16.5 G3/8″ 11 8.5 13.5 95 72 25 22 29
100 18.5 G1/2″ 13.5 9.5 14.5 115 89 25 22 29
125 23 G1/2″ 14 12 14 140 110 32 28 35
160 25 G3/4″ 15 12 20 180 140 40 36 40
200 25 G3/4 15 12 20 220 175 40 36 40
Bepto Logo

Get More Benefits Since Submit The Info Form