Airtac SAIJ200 Adjustable Cylinder SAIJ200AX240-50
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX240-50 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 SAIJ200AX240-50
The AirTAC SAIJ200X240-50 is a double-acting ISO 15552 profile cylinder engineered for heavy-duty applications, featuring a rear stroke adjuster that creates a 190-240 mm usable travel window. By turning the external stopper screw at the rear, you can fine-tune the end position at commissioning without swapping the cylinder or adding external stops. At 0.5 MPa, this 200 mm bore generates 15708 N of push force and 15080 N of pull force, making it suitable for high-thrust operations.
This variant features a SUS420J2 stainless steel rod (code A) for enhanced corrosion resistance and uses PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting, and the cylinder operates at speeds of 30-500 mm/s. It utilizes variable air cushions at both ends to decelerate the massive moving load smoothly.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX240-50 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX240-50 |
|---|---|
| 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 SAIJ200AX240-50
| 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 SAIJ200AX240-50 Is Used
Press & Forming End-Stop Tuning
Dial in the exact bottom dead center for heavy metal forming or stamping presses, adjusting the 190-240 mm travel window to accommodate different die heights without changing tooling.
Automated Line Changeover
Quickly reconfigure the stroke end-position on a high-thrust assembly line when switching product sizes, using the rear stopper to adapt the motion profile on the fly.
Heavy Material Positioning
Move large, dense payloads with 15708 N of thrust at 0.5 MPa, relying on the adjustable stroke to fine-tune the exact placement or ejection point within the machine cell.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX240-50 the Right Cylinder?
Choose this 200 mm bore when your application requires extreme thrust, such as heavy press operations, stepping down from a custom multi-cylinder setup. If you need slightly less force, the neighbouring 160 mm bore provides 10053 N of push force at 0.5 MPa. The 50 mm adjustment range is ideal for product changeovers on a line, allowing operators to dial in the exact end-stop without mechanical modifications. Remember that the rear adjuster and air cushions act as travel stops and deceleration devices, not as locks; the SAIJ will not hold its position without live air pressure. For load-holding requirements, consider the AirTAC SAIL or BSAI series, or use an external pilot-operated check valve.
When replacing an ISO 15552 cylinder, match the 200 mm bore, 240 mm stroke, 50 mm adjustment range, PT G3/4 port threads, and the required mounting interface (Basic, FA, LB, TC, FTC, TCM1, or TCM2). Because the 240 mm stroke is relatively short for this massive bore, side-loading is less of a concern than with long strokes, but an external guide is still recommended for optimal rod and M36x2 thread longevity.
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 SAIJ200AX240-50 FAQ
The rear adjuster screw acts as a mechanical stop that limits the piston's inward travel. For this model, you can shorten the effective stroke by up to 50 mm, providing a usable travel window of 190 to 240 mm. This allows precise end-position tuning during commissioning without external stops.
At a standard operating pressure of 0.5 MPa, this 200 mm bore cylinder generates 15708 N of push force and 15080 N of pull force. It can deliver up to 3204 kgf of maximum thrust at 1.0 MPa.
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