ENGELEC SDA series compact thin cylinder pneumatic
| SDA | 50×50 | - | S | B |
| Serial NO. | Cylinder inner borex stroke |
| Magnet code | Piston rod thread type |
| SDA： Standard | Blank:None | Blank:female thread |
| SDAD： Biaxial type | S：With | B：external thread |
| SDAJ： Biaxial adjustable type |
| N：No thread |
| Type | Standard | Magnetic type | D | E | F | G | K1 | L | M | N1 | J | Q |
| Bore/Symbol | A | B1 | C | A | B1 | C | Stroke＞10 | Stroke≤10 |
| 12 | 40 | 5 | 17 | 50 | 5 | 27 | - | 6 | 4 | 1 | M3x0.5 | 10.2 | 6.3 | 6.3 | 4 | 13 |
| 16 | 42.5 | 5.5 | 18.5 | 52.5 | 5.5 | 28.5 | - | 6 | 4 | 1.5 | M3x0.5 | 11 | 7.3 | 7.3 | 4 | 13 |
| 20 | 47.5 | 5.5 | 19.5 | 57.5 | 5.5 | 29.5 | 36 | 8 | 4 | 1.5 | M4x0.7 | 15 | 7.5 | 7.5 | 5 | 16 |
| 25 | 55 | 6 | 21 | 65 | 6 | 31 | 42 | 10 | 4 | 2 | M5x0.8 | 17 | 8 | 8 | 6 | 19 |
| 32 | 61.5 | 7 | 24.5 | 71.5 | 7 | 34.5 | 50 | 8 | 12 | 4 | 3 | M6x1 | 22 | 9 | 9 | 6 | 21 |
| 40 | 65 | 7 | 26 | 75 | 7 | 36 | 58.5 | 9 | 12 | 4 | 3 | M8x1.25 | 28 | 10 | 10 | 8 | 21 |
| 50 | 73 | 9 | 28 | 83 | 9 | 38 | 71.5 | 11 | 15 | 5 | 4 | M10x1.5 | 38 | 10.5 | 10.5 | 11 | 21 |
| 63 | 77 | 9 | 32 | 87 | 9 | 42 | 84.5 | 11 | 15 | 5 | 4 | M10x1.5 | 40 | 11.8 | 11.8 | 11 | 21 |
| 80 | 94 | 11 | 41 | 104 | 11 | 51 | 104 | 14 | 20 | 6 | 5 | M14x1.5 | 45 | 14.5 | 14.5 | 13 | 24 |
| 100 | 105 | 12 | 51 | 115 | 12 | 61 | 124 | 18 | 20 | 7 | 5 | M18x1.5 | 55 | 20.5 | 20.5 | 13 | 24 |