Airtac SDA Ultra Thin Cylinder SDA100X20SBH
The AirTAC Airtac SDA Ultra Thin Cylinder SDA100X20SBH is a genuine double-acting COMPACT (thin) air cylinder with a Ø100mm bore and 20mm stroke, PT3/8 air ports and a riveted short body that saves mounting depth. Sensor slots around the body accept magnetic switches for position sensing.
- BoreØ100 mm
- Stroke20 mm
- Port sizePT3/8
- Acting typeDouble acting
- Rod threadM18×1.5 (F) / M26×1.5 (B)
- CushionFixed NBR bumper (both ends)
About the Airtac SDA Ultra Thin Cylinder SDA100X20SBH
The AirTAC SDA100X20SBH is a double-acting single-rod compact cylinder engineered for heavy-duty tasks within a minimal axial footprint. Its riveted body assembly keeps overall length extremely short, outperforming round-body units when machine depth is restricted. At 100 mm bore, it provides a substantial 3927 N push at 0.5 MPa, while the fluororubber (FKM) -H seal option ensures superior thermal and oil resistance compared to standard NBR.
This specific configuration includes a built-in piston magnet (-S) for direct mounting of AirTAC reed or electronic switches along the body grooves. It also features a male M26x1.5 piston rod thread (-B) for secure load coupling. Deceleration at stroke ends relies on a fixed NBR bumper rather than an adjustable air cushion, meaning external shock absorbers are recommended for high-energy impacts.
Airtac SDA Ultra Thin Cylinder SDA100X20SBH Technical Specifications
| Model | Airtac SDA Ultra Thin Cylinder SDA100X20SBH |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø100 mm |
| Stroke | 20 mm |
| Acting type | Double acting |
| Port size | PT3/8 |
| Rod end thread | M18×1.5 female / M26×1.5 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 120 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).
Theoretical Output Force (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3525 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SDA Ultra Thin Cylinder SDA100X20SBH
| SDA | Compact (thin) double-acting cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×20 | 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).
Where the Airtac SDA Ultra Thin Cylinder SDA100X20SBH Is Used
Stamping Press Ejection
Uses the 3927 N extend force to knock heavy metal blanks from stamping press dies, where the short riveted body fits into tight die-clamping spaces.
Palletizer Lift Station
Raises lowerator forks handling 200.2 kg palletized goods vertically, relying on the FKM seals to withstand elevated ambient temperatures near heat-shrink tunnels.
Injection Mold Separation
Pushes thick-walled molded plastic parts off core pins, utilizing the male M26x1.5 rod end for rigid attachment to custom stripper plates.
Is the Airtac SDA Ultra Thin Cylinder SDA100X20SBH the Right Cylinder?
Selecting this 100 mm bore model provides a theoretical maximum push of 801 kgf at 1.0 MPa. If your application requires less force, stepping down to the SDA80 yields 2513.3 N at 0.5 MPa; as the largest standard size, there is no larger SDA option. For this SBH variant, confirm your ordering essentials: 100 mm bore, 20 mm stroke, PT3/8 port, male M26x1.5 rod, magnetic sensor readiness, and FKM seals. A safe working load is approximately 2356 N (about 60% of the 3927 N figure), allowing a vertical lift of roughly 200.2 kg with a 2:1 safety margin. Remember that a standard compact cylinder drifts when air pressure is lost or the valve is centered, so an external rod lock or pilot-operated check valve is required to hold a load securely.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Short-body depth vs. a round-body cylinder
- ✓ Port/thread type (PT)
- ✓ Magnet (S) for sensors?
- ✓ Female (blank) or male (B) rod thread
- ✓ Side load — avoid on a compact rod
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the short piston rod.
- check Very long strokes are unsuitable for the compact body.
- check Front/rear covers are riveted — do not dismantle.
- check Installation by qualified personnel per AirTAC docs.
Airtac SDA Ultra Thin Cylinder SDA100X20SBH FAQ
This 100 mm bore double-acting cylinder generates a push of 3927 N and a pull of 3524.9 N at 0.5 MPa. At 0.7 MPa, push increases to 5497.8 N and pull to 4934.8 N. The theoretical maximum push force is 801 kgf at 1.0 MPa.
No, the piston will drift if air is lost or the valve is centered. The fixed NBR bumper only decelerates the rod near the stroke end and does not act as a locking brake. To maintain position on a vertical load, you must install an external rod lock or a pilot-operated check valve.
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