Airtac SDA Ultra Thin Cylinder SDA100X90
The AirTAC Airtac SDA Ultra Thin Cylinder SDA100X90 is a genuine double-acting COMPACT (thin) air cylinder with a Ø100mm bore and 90mm 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
- Stroke90 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 SDA100X90
The AirTAC SDA100X90 is a double-acting single-rod compact cylinder engineered for heavy-duty linear motion within a minimal axial footprint. By utilizing a short riveted body that integrates the barrel, rear cover, piston, and rod, this unit achieves an overall length unattainable by standard round-body actuators, saving valuable machine mounting depth. At 100 mm bore, it generates a substantial 3927 N push and 3524.9 N pull at 0.5 MPa, supported by a robust 32 mm piston rod.
This model features a hard-anodized bore and a two-way piston seal for extended operational life. End-of-stroke deceleration is handled by a fixed NBR bumper at each end, which absorbs impact energy but is not a field-adjustable air cushion. Operating at speeds between 30 and 500 mm/s, this specific SKU lacks a piston magnet and therefore cannot support magnetic position sensing without specifying the -S option code.
Airtac SDA Ultra Thin Cylinder SDA100X90 Technical Specifications
| Model | Airtac SDA Ultra Thin Cylinder SDA100X90 |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø100 mm |
| Stroke | 90 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 SDA100X90
| SDA | Compact (thin) double-acting cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×90 | 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 SDA100X90 Is Used
Stamping Press Ejection
Provides 3927 N of extend force at 0.5 MPa to knock heavy stamped metal panels out of progressive die machinery, utilizing the 90 mm stroke to clear the die bed quickly.
Palletizer Lift Station
Lifts lower pallet layers in high-throughput packaging lines, where the 200.2 kg vertical lift capacity with a 2:1 margin handles substantial wood or plastic pallet weights securely.
Injection Mold Separation
Pushes heavy plastic injection molds apart during tooling changeovers or maintenance, leveraging the 32 mm rod and compact riveted body to fit within tight machinery clearances.
Is the Airtac SDA Ultra Thin Cylinder SDA100X90 the Right Cylinder?
When sizing this actuator, consider stepping down to the SDA80, which provides 2513.3 N of push force at 0.5 MPa for lighter loads, or stepping up if your application exceeds the 100 mm bore class. A safe working load for the SDA100X90 is approximately 2356 N (about 60% of the 3927 N figure at 0.5 MPa), translating to a vertical lift capacity of roughly 200.2 kg with a 2:1 safety margin. To finalize your order, confirm the 100 mm bore, 90 mm stroke, PT3/8 port, female M18x1.5 rod-end thread, and the absence of a sensor magnet. Because this is a double-acting cylinder, it will not hold a load if air pressure is lost or the valve is centered; the piston will drift, and the fixed bumper only decelerates near the stroke end. For position holding, an external rod lock or pilot-operated check valve is required.
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 SDA100X90 FAQ
This 100 mm bore double-acting cylinder delivers 3927 N push and 3524.9 N pull at 0.5 MPa, and 5497.8 N push at 0.7 MPa. The theoretical maximum push force is 801 kgf at 1.0 MPa. It operates between 0.15 and 1.0 MPa, with a proof pressure of 1.5 MPa, and functions at speeds from 30 to 500 mm/s.
No, it uses a fixed NBR bumper at each end to decelerate the stroke, which is not an adjustable air cushion; for high energy impacts, add an external shock absorber. Additionally, this specific SKU lacks a piston magnet, so it cannot support reed or electronic switches unless the -S option is specified.
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