Airtac SAIJ200 Adjustable Cylinder SAIJ200AX80-30S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX80-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 80mm 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
- Stroke80 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX80-30S
The AirTAC SAIJ200X80-30-S is a double-acting ISO 15552 profile cylinder engineered for heavy-duty tasks, delivering 15708N of push force at 0.5MPa. It features a SUS420J2 stainless steel rod (code A) and a built-in magnet (-S) for direct compatibility with AirTAC CMSE reed and DMSE electronic sensors. An external rear adjusting screw allows you to fine-tune the travel end, providing a usable stroke window of 50-80mm for precise product changeovers.
This adjustable stopper lets you dial in the exact end position during commissioning without adding external stops or swapping the cylinder. The extruded aluminum barrel includes sensor grooves on both sides, and the G3/4 PT tapered ports ensure high airflow for the 80mm stroke. Remember that the rear adjuster acts only as a travel stop, not a lock, so it will not hold the load without live air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX80-30S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX80-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 80 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 SAIJ200AX80-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×80 | 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 SAIJ200AX80-30S Is Used
Heavy Press Tuning
Dial in the exact 50-80mm travel end during machine commissioning to apply 15708N of pressing force without adding external mechanical stops.
Product Size Changeover
Quickly adjust the rear stopper by up to 30mm to accommodate varying workpiece heights on the line, avoiding complete cylinder swaps.
High-Force Positioning
Leverage the 200mm bore and SUS420J2 stainless rod to move heavy jigs into place, using the rear screw to set the precise retraction point.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX80-30S the Right Cylinder?
Select this 200mm bore cylinder when an application requires massive thrust, such as 15708N push at 0.5MPa, alongside a short, highly adjustable travel window. If you need less force, stepping down to a 160mm bore yields 10053N push at 0.5MPa. Choose the SAIJ adjustable-stroke design over a fixed SAI when your machine setup requires variable end-stops for different product sizes. Because the stroke is 80mm, side-load risks are minimal, but always ensure the load is guided externally. For load-holding without live air, consider the SAIL or BSAI series instead of relying on the adjuster.
To match this ISO 15552 dimensionally interchangeable cylinder, confirm the 200mm bore, 80mm nominal stroke, 30mm adjustment range, PT tapered G3/4 ports, and the -S magnet option. It supports the standard SAIJ mounting set, including Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR.
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 SAIJ200AX80-30S FAQ
At 0.5MPa operating pressure, this 200mm bore cylinder provides 15708N of push force and 15080N of pull force. It can reach a maximum push force of 3204 kgf at 1.0MPa.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the 80mm nominal stroke by up to 30mm. This creates a usable travel window of 50-80mm, but it does not lock the load without continuous air pressure.
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