Airtac SAIJ200 Adjustable Cylinder SAIJ200AX240-40S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX240-40S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 240mm 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
- Stroke240 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX240-40S
The AirTAC SAIJ200X240-40-S is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a usable travel window of 200 to 240 mm, allowing you to dial in the exact end position without swapping the hardware. Built with an SUS420J2 stainless steel rod (code A) and a PT tapered port, it generates a massive 21991 N push force at 0.7 MPa, making it suited for heavy-duty pressing and clamping.
This model includes a magnetic piston for use with CMSE reed and DMSE electronic sensors. The extruded aluminum barrel incorporates sensor grooves on both sides for flexible switch mounting. Remember that the rear adjuster functions strictly as a mechanical stop to fine-tune deceleration; it does not lock the load without live air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX240-40S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX240-40S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 240 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 SAIJ200AX240-40S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×240 | 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 SAIJ200AX240-40S Is Used
Heavy-Duty Press Tuning
Fine-tune the 200 to 240 mm pressing stroke during machine commissioning to achieve exact material deformation without adding external mechanical stops.
Product Size Changeover
Rapidly adjust the retract end position by up to 40 mm when switching the manufacturing line to a new product footprint.
Automated Clamp Positioning
Leverage the 21991 N push force at 0.7 MPa to secure large workpieces, using the rear screw to set the precise clamping depth.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX240-40S the Right Cylinder?
Select this 200 mm bore actuator when your application demands extreme thrust, requiring more force than the 160 mm bore option which yields 14074 N push at 0.7 MPa. The 40 mm adjustment range is highly beneficial for product changeovers, letting operators reset the retract end-stop quickly instead of installing fixed spacers. Operating speed spans 30 to 500 mm/s.
For any stroke at or above 300 mm, you would typically need an external guide to protect the piston, but this 240 mm stroke is well within safe limits. Even so, the robust M36x2 rod thread handles significant side loading. If your process requires true fail-safe load holding without live air, the rear adjuster here is not a lock—consider an AirTAC SAIL or BSAI cylinder instead. This unit 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 SAIJ200 Adjustable Cylinder SAIJ200AX240-40S FAQ
At an operating pressure of 0.7 MPa, this 200 mm bore cylinder provides 21991 N of push force and 21991 N of pull force. At 0.5 MPa, it delivers 15708 N push and 15080 N pull.
The rear adjuster screw allows you to shorten the effective travel from the 240 mm nominal stroke down to a minimum of 200 mm. This provides a 40 mm setup window for fine-tuning the end position at commissioning.
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