Airtac SAIJ100 Adjustable Cylinder SAIJ100AX250-30
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100AX250-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 250mm stroke, G1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ100 mm
- Stroke250 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX250-30
The AirTAC SAIJ100X250-30 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster, designed to fine-tune the end-of-travel position during commissioning. It provides a usable travel window of 220 to 250 mm, allowing you to dial back the nominal 250 mm stroke by up to 30 mm without adding external stops.
This model features PT tapered port threads (G1/2) and variable air cushions at both ends to decelerate moving loads. The extruded aluminum barrel includes sensor grooves on both sides, ready for AirTAC CMSE reed and DMSE electronic sensors if a magnet is added later. The rear adjuster acts strictly as a travel stop, meaning it does not hold the load without live air pressure.
Airtac SAIJ100 Adjustable Cylinder SAIJ100AX250-30 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX250-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 250 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 | 3682 N | 3682 N |
| 0.7 MPa | 5154 N | — |
| Max (@1.0 MPa) | 751 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ100 Adjustable Cylinder SAIJ100AX250-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×250 | 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 SAIJ100AX250-30 Is Used
Product Changeover
Dial in the exact 220 to 250 mm end-stop during rapid product size changes on the line without swapping the physical cylinder.
Machine Setup
Fine-tune the retract end-position at commissioning to align tooling precisely, eliminating the need for external mechanical stops.
Variable End Stops
Adjust the travel window on the fly to accommodate multiple part lengths within the same fixture safely.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX250-30 the Right Cylinder?
Choose this 100 mm bore adjustable-stroke cylinder when your application requires precise end-position tuning during machine setup or product changeover. For higher force demands, a 125 mm bore provides 6136 N. Because this is a 250 mm stroke, the 25 mm rod diameter and M20x1.5 thread handle moderate side loads, but long unsupported strokes still require an external guide.
The rear adjuster is a stop, not a lock; for load-holding without live air pressure, select the SAIL or BSAI series instead. To match this ISO 15552 interchangeable cylinder, specify a 100 mm bore, 250 mm stroke, 30 mm adjustment, PT ports, and the SUS420J2 rod material (code A). It uses a reduced mounting set including Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR.
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 SAIJ100AX250-30 FAQ
At 0.9 MPa, the push force increases to 7068 N.
The rear adjuster screw lets you shorten the 250 mm nominal stroke by up to 30 mm, creating a usable travel window of 220 to 250 mm. This stopper only sets the end position and does not lock the load.
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Covers non-human-caused product damage.
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Standard models are processed and dispatched in 3-5 business days.
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