Airtac SAIJ200 Adjustable Cylinder SAIJ200AX210-75S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX210-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 210mm 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
- Stroke210 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX210-75S
The AirTAC SAIJ200X210-75-S is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a usable travel window of 135 to 210 mm, allowing you to dial back the 210 mm nominal stroke by up to 75 mm during machine commissioning. In the 200 mm bore class, it delivers 15708 N of push force and 15080 N of pull force at 0.5 MPa, making it suitable for heavy-duty positioning.
This variant includes a SUS420J2 stainless steel rod (material code A) and a built-in magnet (-S) for use with AirTAC CMSE reed and DMSE electronic sensors. The extruded aluminum barrel incorporates sensor grooves on both sides, and fluid is supplied via PT tapered G3/4 ports. The rear adjuster acts purely as a mechanical stop to fine-tune the end position without swapping cylinders, but it does not lock the load without live air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX210-75S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX210-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 210 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 SAIJ200AX210-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×210 | 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 SAIJ200AX210-75S Is Used
Heavy Press Tuning
Dial in the exact 135 to 210 mm end-position for large presses during setup, accommodating different workpiece sizes without changing the cylinder.
Line Changeover
Rapidly adjust the stroke window on automated assembly lines to handle varying product dimensions while maintaining 15708 N of thrust.
Sensor-Integrated Stops
Utilize the built-in magnet with DMSE electronic sensors to confirm the adjusted retract position in heavy-duty automated machinery.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX210-75S the Right Cylinder?
Choose this 200 mm bore if your application requires extremely high thrust, such as 15708 N at 0.5 MPa, and you need precise end-position tuning. If your force requirements are lower, stepping down to a 160 mm bore provides 10053 N of push force at 0.5 MPa. The adjustable stroke is ideal for product changeovers on a line, letting you shift the end-stop without adding external physical stops. For load-holding without continuous air pressure, this cylinder is insufficient; you must use an external rod lock, a pilot-operated check valve, or switch to an AirTAC SAIL or BSAI series cylinder. Because the 210 mm stroke is relatively short for this massive bore, side-load risks are minimal, but external guides are still recommended for heavy lateral loads.
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 SAIJ200AX210-75S FAQ
At 0.5 MPa operating pressure, this 200 mm bore cylinder provides 15708 N of push force and 15080 N of pull force. It can achieve up to 3204 kgf at 1.0 MPa.
The rear adjuster allows you to shorten the 210 mm nominal stroke by up to 75 mm, creating a usable travel window of 135 to 210 mm. This mechanical stop fine-tunes the end position but does not hold the load without live air.
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