Airtac SAIJ200 Adjustable Cylinder SAIJ200AX90-75
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX90-75 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 SAIJ200AX90-75
The AirTAC SAIJ200X90-75 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a nominal 90 mm travel that can be fine-tuned backward by up to 75 mm, creating a 15-90 mm usable stroke window for precise end-position calibration. As the largest standard bore, it delivers immense thrust, generating 15708 N of push force and 15080 N of pull force at 0.5 MPa.
This variant is configured with 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, allowing you to mount CMSE reed or DMSE electronic sensors if a magnet is added later. The rear adjuster acts purely as a mechanical stop to set the travel endpoint and does not lock the load without live air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX90-75 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX90-75 |
|---|---|
| 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 SAIJ200AX90-75
| 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 SAIJ200AX90-75 Is Used
Heavy Press Tuning
Dial in the exact 15-90 mm travel end-stop during machine setup to accommodate varying material thicknesses in high-force pressing operations.
Product Changeover
Quickly adjust the rear stopper on the fly for different product sizes on a packaging line, avoiding the need to physically swap out the cylinder.
Assembly Station Calibration
Fine-tune the end position during commissioning of heavy assembly stations, ensuring perfect alignment without adding external mechanical stops.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX90-75 the Right Cylinder?
Select this 200 mm bore when your application requires maximum thrust, as stepping down to a 160 mm bore reduces your 0.5 MPa push force to 10053 N. Choose this adjustable-stroke SAIJ over a fixed SAI when you need to dial in the exact end-position during machine commissioning or product changeovers without swapping cylinders or adding external stops. If your process requires holding the load without continuous air pressure, use an external rod lock or pilot-operated check valve, or look to the SAIL or BSAI series instead.
For replacement matching, verify the 200 mm bore, 90 mm nominal stroke, 75 mm adjustment range, PT port threads, and required mounting accessories. The SAIJ supports a reduced mounting set including Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. Because the 40 mm diameter rod and M36x2 thread handle high side loads well, this cylinder is robust, though any long unsupported stroke still requires an external guide.
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 SAIJ200AX90-75 FAQ
At 0.5 MPa operating pressure, this 200 mm bore cylinder generates 15708 N of push force and 15080 N of pull force. At the maximum 1.0 MPa pressure, it can deliver up to 3204 kgf.
The rear adjuster screw acts as a mechanical stop that lets you trim the 90 mm nominal stroke back by up to 75 mm, providing a usable travel window of 15 to 90 mm. This allows precise end-position tuning without consuming live air, though it does not lock the load.
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