Airtac SAIJ200 Adjustable Cylinder SAIJ200BX270-40S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200BX270-40S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 270mm 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
- Stroke270 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 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 SAIJ200 Adjustable Cylinder SAIJ200BX270-40S
The AirTAC SAIJ200X270-40-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to fine-tune the end position by up to 40 mm. This creates a usable travel window of 230-270 mm, letting you dial in the exact retraction distance without swapping out the entire unit. Built with a SUS304 stainless steel rod (option B) and a PT tapered port, it delivers massive thrust up to 15708 N at 0.5 MPa.
Because this is an extruded aluminum profile cylinder rather than a tie-rod design, it integrates sensor grooves on both sides. The included magnet (-S) directly supports AirTAC CMSE reed and DMSE electronic solid-state switches for precise position detection. The rear screw acts purely as a travel stop for commissioning flexibility, not a load-holding lock.
Airtac SAIJ200 Adjustable Cylinder SAIJ200BX270-40S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200BX270-40S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 270 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 SAIJ200BX270-40S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×270 | 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 SAIJ200BX270-40S Is Used
Heavy Press Tuning
Fine-tune the 230-270 mm retraction stop on heavy presses during setup, ensuring precise contact without repositioning the entire actuator.
Product Changeovers
Adjust the end-stop on the fly when switching between different pallet sizes on a high-thrust conveyor diverter line.
Large Assembly Jigs
Dial in the exact 230-270 mm stroke window for large assembly jigs, utilizing the SUS304 rod for corrosion resistance in demanding environments.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200BX270-40S the Right Cylinder?
Choose this 200 mm bore when your application requires extreme push force, stepping up significantly from the 160 mm bore which provides 10053 N at 0.5 MPa. The adjustable 230-270 mm window is perfect for heavy machinery requiring variable end-stops during product changeovers, avoiding the need to bolt on external stops or buy a fixed-stroke SAI cylinder. For load-holding without live air pressure, you must integrate an external rod lock or look at the SAIL or BSAI series, as the SAIJ adjuster will not hold the load.
When specifying an ISO 15552 replacement match, confirm the 200 mm bore, 270 mm nominal stroke, 40 mm adjustment, PT port thread, and the -S magnet. Although 270 mm is within the 1500 mm maximum standard stroke for this bore, the massive 40 mm rod diameter and M36x2 thread provide excellent rigidity. For any stroke of 300 mm or more, an external guide is recommended to prevent excessive side-loading, though this 270 mm stroke remains relatively compact for its force class.
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 SAIJ200BX270-40S FAQ
At 0.5 MPa operating pressure, this 200 mm bore cylinder provides a push force of 15708 N and a pull force of 15080 N. At the maximum 1.0 MPa pressure, it can deliver up to 3204 kgf.
The rear adjuster screw allows you to shorten the effective stroke by up to 40 mm from the nominal 270 mm, providing a usable travel window of 230-270 mm. This stopper only sets the end position and does not lock the load without live air pressure.
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