| How to order | |||
| SAO8×20N -E I 10 R A6 -M10 ① ② ③ ④ ⑤ ⑥ ⑦ | |||
| ① Model | ② Level compensator type | ③ Buffer style | ④ Buffer stroke |
| SAO8×20N | E -PSPESeries | I -Built-in-spring | 10 20 30 40 50 |
| ⑤ Rotary type | ⑥ Vacuum port connection | ⑦ Mounting thread | |
| R -Vertical non-rotating B -Lateral non-rotating | Nil- M5×0.8Female thread A4 - one touch fittingφ4hose A6 - one touch fittingφ6hose | M10 - M10×1 | |
| Selection | |||||||
| Rotary type/ Connection thread | Nil | A4 | A6 | ||||
| R | - | ● | ● | ||||
| B | ● | ● | ● | ||||
◇Note: "●"- standard, in stock. "—"-unavailable.


| Model/ Dimension | A | B | Buffer stroke | F1(N) | F2(N) |
| SAO | 11 | 23 | 10 | 1.0 | 3.0 |
| 21 | 51 | 20 | 1.0 | 3.0 | |
| 31 | 51 | 30 | 1.0 | 3.0 | |
| 41 | 77 | 40 | 1.0 | 3.0 | |
| 51 | 77 | 50 | 1.0 | 3.0 |
◇Note: "F1" means spring force at 0 stroke,"F2" means spring force at max stroke.

| Model/ Dimension | A | B | Buffer stroke | F1(N) | F2(N) |
| SAO | 11 | 23 | 10 | 1.0 | 3.0 |
| 21 | 51 | 20 | 1.0 | 3.0 | |
| 31 | 51 | 30 | 1.0 | 3.0 | |
| 41 | 77 | 40 | 1.0 | 3.0 | |
| 51 | 77 | 50 | 1.0 | 3.0 |
◇Note: "F1" means spring force at 0 stroke,"F2" means spring force at max stroke.
| Mounting parts | |||||
| Item | Model | Applications | |||
| Fitting for suction cup | PJS-M5F-SAO10 | SAO3.5×7、4×10、5×10、6×10 | |||
| PJS-M5F-SAO20 | SAO4×20、5×20、6×20、8×20 | ||||
| PJS-M5F-SAO30 | SAO4×30、5×30、6×30、8×30 | ||||