Airtac SAIJ200 Adjustable Cylinder SAIJ200AX85-10
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX85-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 85mm 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
- Stroke85 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX85-10
The AirTAC SAIJ200X85-10 is a double-acting ISO 15552 profile cylinder featuring an external rear stroke adjuster. It provides a 75-85 mm usable travel window by allowing you to dial back the 85 mm nominal stroke by up to 10 mm. In the 200 mm bore class, it delivers massive thrust, generating 28274 N of push force at 0.9 MPa.
This heavy-duty actuator utilizes a robust 40 mm piston rod and a PT tapered G3/4 port to handle high flow and structural demands. The rod is constructed from SUS420J2 stainless steel (option A) for enhanced corrosion resistance, and the extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE or DMSE switches.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX85-10 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX85-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 85 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 SAIJ200AX85-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×85 | 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 SAIJ200AX85-10 Is Used
Heavy Press Tuning
Dial in the exact 75-85 mm retract position for heavy pressing operations without adding external mechanical stops.
Machine Changeover
Quickly adapt the end-stop for product size variations on a high-force production line during setup transitions.
Assembly Calibration
Fine-tune the clamping travel on large assembly fixtures, relying on the 40 mm rod to manage high side loads.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX85-10 the Right Cylinder?
Choose this 200 mm bore actuator when an application requires extreme force, such as 21991 N at 0.7 MPa, alongside precise end-position tuning during commissioning. If your process demands less than 10000 N, stepping down to the 160 mm bore (14074 N push at 0.7 MPa) might offer a more efficient footprint. The rear adjuster screw acts purely as a travel stop for the retract end and does not hold the load without live air pressure; for true fail-safe load holding, consider the SAIL or BSAI series. To match this ISO 15552 interchangeable cylinder exactly, specify the 200 mm bore, 85 mm stroke, 10 mm adjustment, PT G3/4 port, and the SUS420J2 rod material.
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 SAIJ200AX85-10 FAQ
At its maximum operating pressure of 1.0 MPa, this 200 mm bore cylinder can deliver up to 15708 N of push force and 15080 N of pull force.
The rear adjuster screw lets you shorten the 85 mm nominal stroke by up to 10 mm, creating a 75-85 mm usable travel window for precise end-position tuning without swapping the cylinder.
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