Airtac SAIJ100 Adjustable Cylinder SAIJ100AX25-20S
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100AX25-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 25mm 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
- Stroke25 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 SAIJ100AX25-20S
The AirTAC SAIJ100X25-20-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the effective travel down from the 25 mm nominal stroke to a precise 5-25 mm window.
This variant includes a SUS420J2 stainless steel rod for superior corrosion resistance and is equipped with a magnet for CMSE reed and DMSE solid-state sensors. The G1/2 PT tapered ports manage high flow, and the extruded aluminum barrel retains standard sensor grooves on both sides for flexible switch mounting.
Airtac SAIJ100 Adjustable Cylinder SAIJ100AX25-20S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX25-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 25 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 SAIJ100AX25-20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×25 | 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 SAIJ100AX25-20S Is Used
Precision End-Stop Tuning
Dial in the exact clamping position within a 5-25 mm travel window during machine commissioning without physically replacing the cylinder or adding external mechanical stops.
Product Size Changeover
Quickly adjust the retract end-position to accommodate varying product dimensions on a packaging line, using the 20 mm adjustment range to adapt to new formats on the fly.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX25-20S the Right Cylinder?
The adjustable stroke is ideal for machine setups requiring variable end-stops or product-size changeovers, letting you dial in the exact 5-25 mm travel rather than swapping a fixed-stroke SAI cylinder.
Because the 25 mm stroke is short, side-loading is minimal, but the 25 mm rod diameter handles high thrust reliably. Remember that the rear adjuster acts only as a travel stop and does not hold the load without live air pressure; for fail-safe load holding, select an SAIL or BSAI cylinder. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ100AX25-20S FAQ
At the maximum 1.0 MPa pressure, it can deliver up to 801 kgf of push force.
The rear adjusting screw acts as a mechanical stopper that trims the retract end-position. For this SAIJ100X25-20-S model, the 20 mm adjustment range allows the effective stroke to be fine-tuned anywhere within a 5 to 25 mm travel window. Note that this stopper only sets the travel end and does not lock the load without continuous air pressure.
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Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
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Most inquiries answered within 7-8 hours.
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