Airtac SAIJ100 Adjustable Cylinder SAIJ100X270-10
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100X270-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 270mm stroke, G1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ100 mm
- Stroke270 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100X270-10
The AirTAC SAIJ100X270-10 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a 260-270mm usable travel window, letting you trim the nominal 270mm stroke by up to 10mm during commissioning without adding external stops. Delivering 5497N of push force at 0.7MPa, it fits heavy-duty positioning tasks.
This bore uses a G1/2 port and a 25mm carbon steel rod with an M20x1.5 thread, handling substantial side loads. The extruded aluminum barrel includes sensor grooves on both sides for CMSE or DMSE switches. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ100 Adjustable Cylinder SAIJ100X270-10 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100X270-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 270 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| Rod thread | M20×1.5 |
| 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 – 800 mm/s |
| Cushion | Adjustable, 36 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SAI series datasheet and ISO 15552 dimensions. Confirm against the product label before installation. Port options: G (BSPP) / NPT.
Theoretical Output Force (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 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 SAIJ100 Adjustable Cylinder SAIJ100X270-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×270 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related SAI-family variants: SAID (double rod), SAIJ (adjustable stroke), SAIL (with lock), SAIF (with valve), BSAI (enclasp / clamp-lock), and SAI-S with built-in magnet. Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B); seals: TPU (blank) / Viton H / NBR N.
Where the Airtac SAIJ100 Adjustable Cylinder SAIJ100X270-10 Is Used
Machine Setup Tuning
Dial in the exact 260-270mm retract position during initial commissioning to align heavy fixtures perfectly.
Product Size Changeover
Quickly adjust the end stop by up to 10mm when switching the production line to a slightly different component height.
Heavy Material Handling
Leverage the 5497N push force at 0.7MPa to move substantial loads while fine-tuning the landing position.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100X270-10 the Right Cylinder?
Choose this 100mm bore if your application requires higher thrust than the 80mm version (3518N at 0.7MPa) but does not need the massive output of the 125mm bore. The 10mm rear adjustment screw is ideal for fine-tuning the retract end position during machine setup or product changeover, whereas a fixed SAI cylinder locks you into a single exact dimension.
Because this is a 270mm stroke, long unsupported travel requires an external guide to prevent rod bending. Remember that the rear adjuster and air cushions act only as travel stops and decelerators; they do not hold the load without live air. For true load-holding without pressure, select a SAIL or BSAI cylinder. This model is dimensionally interchangeable per ISO 15552.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
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 piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SAIJ100 Adjustable Cylinder SAIJ100X270-10 FAQ
At 0.7MPa operating pressure, this 100mm bore cylinder generates 5497N of push force and 3681N of pull force. It can reach a maximum push force of 7068N at 0.9MPa.
The rear adjuster screw lets you shorten the effective travel from the nominal 270mm down to 260mm. This creates a 10mm tuning window for exact end-positioning without swapping the cylinder.
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