Airtac SAIJ200 Adjustable Cylinder SAIJ200AX750-50S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX750-50S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 750mm 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
- Stroke750 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX750-50S
The AirTAC SAIJ200X750-50-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers massive thrust, providing 15708N of push force and 15080N of pull force at 0.5 MPa. The integrated -50 mm adjustment mechanism allows you to dial back the 750 mm nominal stroke, creating a precise 700-750 mm usable travel window for fine-tuning end positions during commissioning.
This variant features a SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance and includes a magnet (-S) for use with CMSE reed and DMSE electronic sensors. The extruded aluminum barrel incorporates sensor grooves on both sides, and the unit uses PT tapered ports sized at G3/4. The rear adjuster acts strictly as a travel stop to set deceleration limits, not as a lock, meaning live air is required to maintain the load.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX750-50S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX750-50S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 750 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 SAIJ200AX750-50S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×750 | 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 SAIJ200AX750-50S Is Used
Heavy Press Tuning
Fine-tune the 700-750 mm travel window on heavy presses to accommodate different material thicknesses without adding external mechanical stops.
Large Assembly Changeover
Adjust the rear stopper during product line changeovers to quickly set new end positions for large-scale automotive or industrial assembly.
Long-Stroke Positioning
Dial in the exact retraction point for long-stroke positioning tasks, using the massive 15708N push force to move heavy structural components.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX750-50S the Right Cylinder?
Selecting this 200 mm bore cylinder is appropriate when your application requires extremely high force, stepping up significantly from a 160 mm bore that offers 10053N push force at 0.5 MPa. The adjustable stroke is chosen over a fixed SAI cylinder when you need variable end-stops or product-size changeovers without swapping the entire actuator. Because the nominal stroke is 750 mm, an external guide is strongly recommended to prevent excessive side-loading on the rod.
For a direct ISO 15552 replacement match, ensure you specify the 200 mm bore, 750 mm stroke, 50 mm adjustment code, PT port thread, and the -S magnet. If your machine requires true load-holding without continuous air pressure, this cylinder is insufficient; you should pivot to the SAIL pneumatic lock or BSAI clamp-lock series instead. Mounting options are limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ200AX750-50S FAQ
At 0.5 MPa, this 200 mm bore cylinder provides 15708N of push force and 15080N of pull force. It can reach a maximum push force of 21991N at 0.7 MPa.
The rear adjuster screw allows you to shorten the 750 mm nominal stroke by up to 50 mm, providing a usable travel window of 700-750 mm. This stopper only sets the travel end and does not lock the load without live air pressure.
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