Airtac SAIJ200 Adjustable Cylinder SAIJ200AX225-40S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX225-40S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 225mm stroke, G3/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ200 mm
- Stroke225 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX225-40S
The AirTAC SAIJ200X225-40-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 185 to 225 mm, allowing you to dial back the nominal 225 mm stroke by up to 40 mm during machine commissioning. This 200 mm bore size delivers massive thrust, pushing 15708 N and pulling 15080 N at 0.5 MPa, scaling up to 28274 N push at 0.9 MPa.
Equipped with a SUS420J2 stainless steel rod and a PT tapered port thread, it includes a magnet for CMSE and DMSE sensors. The extruded aluminum barrel provides sensor grooves on both sides. The rear adjuster acts purely as a mechanical stop to set the end position; it does not hold the load without live air pressure. For load-holding requirements, consider the SAIL or BSAI series.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX225-40S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX225-40S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 225 mm |
| Acting type | Double acting |
| Port size | G3/4 |
| Rod thread | M36×2 |
| 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 | Adjustable, 50 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 (Ø200mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 15708 N | 15080 N |
| 0.7 MPa | 21991 N | — |
| Max (@1.0 MPa) | 3204 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ200 Adjustable Cylinder SAIJ200AX225-40S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×225 | 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 SAIJ200 Adjustable Cylinder SAIJ200AX225-40S Is Used
Heavy Press Tuning
Fine-tune the 185-225 mm travel window during setup to precisely control high-force pressing operations without machining external stopper blocks.
Product Size Changeover
Quickly adjust the retract end position by up to 40 mm when switching product dimensions on a heavy-duty conveyor line.
Large Assembly Actuation
Handle massive positioning tasks using the 28274 N push force at 0.9 MPa, relying on the M36x2 rod thread for robust mechanical integration.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX225-40S the Right Cylinder?
Choose this 200 mm bore when your application requires extreme force that a 160 mm bore cannot provide, as the 160 mm yields 10053 N push at 0.5 MPa compared to this model's 15708 N. The 40 mm adjustment range is ideal for product-size changeovers on a line, letting you fine-tune the retract end position without swapping the cylinder or adding external stops. Because the total stroke is 225 mm, standard mounting interfaces apply, but ensure your setup handles the 40 mm rod diameter and M36x2 thread properly.
As a true ISO 15552 profile cylinder, it is dimensionally interchangeable with other ISO 15552 cylinders. It uses a reduced mounting set including Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. The included -S magnet works with AirTAC CMSE reed and DMSE electronic sensors. Speeds range from 30 to 500 mm/s.
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 SAIJ200 Adjustable Cylinder SAIJ200AX225-40S FAQ
At 0.5 MPa, it provides 15708 N of push force and 15080 N of pull force. At 0.9 MPa, the push force increases to 28274 N. The maximum thrust is 3204 kgf at 1.0 MPa.
The rear adjuster screw acts as a mechanical stop, letting you shorten the effective travel from 225 mm down to 185 mm. This allows precise end-position tuning during commissioning without replacing the cylinder.
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