Airtac SAIJ200 Adjustable Cylinder SAIJ200AX90-20
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX90-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 90mm 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
- Stroke90 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX90-20
The AirTAC SAIJ200X90-20 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that trims the 90 mm nominal travel back by up to 20 mm, yielding a usable 70-90 mm end-position window. In the 200 mm bore class it delivers 15708 N of push thrust at 0.5 MPa and reaches a maximum of 3204 kgf at 1.0 MPa. The extruded aluminum barrel incorporates sensor grooves on both sides for flexible switch placement.
This unit is configured with a SUS420J2 stainless steel rod for enhanced corrosion resistance and uses PT tapered port threads. The rear adjustment mechanism acts purely as a travel stop to fine-tune the retract position during commissioning; it does not lock the load or hold position without live air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX90-20 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX90-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 90 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 SAIJ200AX90-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×90 | 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 SAIJ200AX90-20 Is Used
Heavy Pressing Calibration
Dial in the exact 70-90 mm travel window during heavy press commissioning to ensure precise contact force without mechanical shimming.
Product Changeover
Quickly adapt the retract end-stop on automated lines when switching between product sizes that require slightly different stroke lengths.
High-Force Positioning
Move and position heavy industrial payloads using up to 3204 kgf of maximum thrust while fine-tuning the end position at the rear stopper.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX90-20 the Right Cylinder?
Choose this 200 mm bore when an application requires extremely high force, stepping up from a 160 mm bore that provides 10053 N of push force at 0.5 MPa. The adjustable 20 mm window is ideal for dialing in exact end stops during machine setup or product changeover without swapping the cylinder or adding external stopper blocks. For load-holding without continuous air supply, an external rod lock or pilot-operated check valve is required, or consider the SAIL or BSAI series.
When matching an ISO 15552 replacement, verify the 200 mm bore, 90 mm stroke, 20 mm adjustment range, PT G3/4 port, and the specific mounting accessory. SAIJ supports a reduced mounting set including Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR brackets. The 40 mm rod diameter handles high side loads, but an external guide is recommended for heavy payloads.
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 SAIJ200AX90-20 FAQ
At 0.5 MPa operating pressure, this 200 mm bore cylinder provides 15708 N of push thrust and 15080 N of pull thrust. At its maximum 1.0 MPa operating pressure, it generates 3204 kgf of push force.
The rear adjuster screw acts as a mechanical stop that shortens the 90 mm nominal stroke by up to 20 mm, creating a 70-90 mm usable travel window. It allows fine-tuning of the end position during setup but does not lock the load without live air pressure.
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