The AirTAC SDA20X10B Compact Cylinder | 20mm Bore is a genuine double-acting COMPACT (thin) air cylinder with a Ø20mm bore and 10mm stroke, M5×0.8 air ports and a riveted short body that saves mounting depth. Sensor slots around the body accept magnetic switches for position sensing.
The AirTAC SDA20X10B is a double-acting single-rod compact cylinder engineered for tight axial spaces, delivering a push force of 157.1 N at 0.5 MPa. Its riveted body assembly minimizes mounting depth compared to round-body units, making it ideal for machinery where footprint matters. The bore is hard-anodized and utilizes a two-way piston seal for reliable performance.
This specific SKU features a male M6x1.0 piston rod thread for direct load coupling and uses an M5x0.8 air port. It operates at speeds between 30-500 mm/s and relies on a fixed NBR bumper at each end to decelerate the stroke. Note that this configuration lacks a piston magnet, so it cannot support magnetic sensing without the -S option.
| Model | AirTAC SDA20X10B Compact Cylinder | 20mm Bore |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø20 mm |
| Stroke | 10 mm |
| Acting type | Double acting |
| Port size | M5×0.8 |
| Rod end thread | M4×0.7 female / M6×1.0 male (B) |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 500 mm/s |
| Cushion | Fixed NBR bumper (both ends) |
| Max standard stroke | Up to 90 mm |
Specifications follow the official AirTAC SDA compact-cylinder datasheet. Confirm against the product label before installation. Port thread: PT (standard). Rod: female thread (blank) / male thread (B).
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 157 N | 132 N |
| 0.7 MPa | 220 N | — |
| Max (@1.0 MPa) | 32 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| SDA | Compact (thin) double-acting cylinder series. |
|---|---|
| 20 | Bore size in mm. |
| ×10 | Stroke length in mm. |
| S | Built-in magnet for magnetic-switch position sensing (omit = no magnet). |
| B | Male-thread piston rod (omit = female-thread rod). |
Thread: PT standard. Related SDA-family variants: SSA (single-acting push), STA (single-acting pull), SDAD (double rod), SDAJ (adjustable stroke), SDAT (duplex), SDAW (duplex-end).
Uses the 10mm stroke and 157.1 N force to nudge circuit boards into alignment on an SMT pick-and-place conveyor without taking up valuable processing length.
Provides short, precise travel to maintain tension on packaging film webs in vertical form-fill-seal equipment, leveraging the compact riveted body to fit within narrow frame gaps.
Pushes small vials or microplates out of a testing carousel using the male M6x1.0 rod end, where the 20mm bore offers enough push without overwhelming delicate glassware.
When sizing this 20mm bore actuator, consider stepping down to the SDA16 which provides 100.5 N of push force at 0.5 MPa, or stepping up to the SDA25 which yields 245.4 N at the same pressure. Confirm your ordering essentials: 20mm bore, 10mm stroke, M5x0.8 port, male M6x1.0 rod thread, and no sensor magnet.
Keep in mind that a standard compact cylinder does not hold its position if air pressure is lost or the valve is centered; the piston will drift. The fixed NBR bumper only decelerates the load near the stroke end and acts as neither a lock nor a brake. If your application requires position holding without live pressure, you must integrate an external rod lock or a pilot-operated check valve.
Quick checklist
This 20mm bore double-acting cylinder provides a push force of 157.1 N and a pull force of 131.9 N at 0.5 MPa. At 0.7 MPa, the push increases to 219.9 N. The theoretical maximum push is 32 kgf at 1.0 MPa. It operates within a pressure range of 0.15-1.0 MPa and a speed range of 30-500 mm/s.
No, this model uses a fixed NBR bumper at each end to decelerate the stroke, which is not an adjustable air cushion. For high-energy cycles, you should add an external shock absorber. Additionally, this SKU lacks the -S magnet option, so it cannot accept AirTAC reed or electronic switches.
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