Airtac SAIJ200 Adjustable Cylinder SAIJ200AX155-40
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX155-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 155mm 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
- Stroke155 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX155-40
The AirTAC SAIJ200X155-40 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a substantial 15708N of push force at 0.5 MPa and features a usable travel window of 115-155 mm, letting you dial back the stroke by up to 40 mm during commissioning. The extruded aluminum barrel includes sensor grooves on both sides, though this unit ships without a magnet.
This model uses an SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance and carries a robust M36x2 rod thread. Fluid supply is routed through PT tapered G3/4 ports. Remember that the rear adjuster acts strictly as a travel stop for end-position tuning, not a load-holding lock; for true drop protection without live air, consider an external rod lock or the SAIL series.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX155-40 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX155-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 155 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 SAIJ200AX155-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×155 | 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 SAIJ200AX155-40 Is Used
Heavy Press Tuning
Fine-tune the 115-155 mm travel window during heavy press setup to perfectly accommodate varying material thicknesses without adding external stoppers.
Automated Changeover
Adjust the end-stop on the fly during production line changeovers, using the 40 mm rear screw to quickly adapt the stroke to new product dimensions.
High-Force Positioning
Leverage the 15708N push force at 0.5 MPa for heavy-duty positioning tasks, dialing back the stroke exactly to the process requirement.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX155-40 the Right Cylinder?
Selecting this 200 mm bore cylinder makes sense when your application requires the highest force class available in the SAIJ range, as stepping down to a 160 mm bore drops your 0.5 MPa push force to 10053N. The 40 mm adjustment range is ideal for product changeovers on a line, allowing you to fine-tune the end position without physically swapping the cylinder or adding external stopper blocks.
When matching ISO 15552 replacements, verify the 155 mm stroke, 40 mm adjustment range, PT G3/4 port thread, and the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2). Because this cylinder lacks a magnet, position sensing via CMSE or DMSE switches is not possible without a different configuration. Also, while the 40 mm rod handles high side loads, any stroke over 300 mm on larger bores requires an external guide to prevent rod binding.
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 SAIJ200AX155-40 FAQ
It features a rear adjusting screw that lets you shorten the effective stroke by up to 40 mm, providing a usable travel window of 115-155 mm. This stopper only sets the end position; it does not lock the load without live air pressure.
At 0.5 MPa, it provides 15708N of push force and 15080N of pull force. At the maximum operating pressure of 1.0 MPa, the push force reaches 3204 kgf.
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