Airtac SAIJ200 Adjustable Cylinder SAIJ200AX260-20
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX260-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 260mm 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
- Stroke260 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX260-20
The AirTAC SAIJ200X260-20 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that lets you dial back the effective travel by up to 20 mm. This creates a 240-260 mm usable window for precise end-position tuning at commissioning without swapping the cylinder or adding external stops. It delivers substantial thrust, offering 15708 N push and 15080 N pull at 0.5 MPa to handle heavy loads. The 40 mm SUS420J2 stainless steel rod (code A) provides excellent corrosion resistance and high side-load capacity.
This model uses PT tapered port threads (G3/4) and operates at speeds of 30-500 mm/s. The extruded aluminum barrel includes sensor grooves on both sides, allowing direct mounting of CMSE reed or DMSE electronic sensors if a magnet is added later. The rear adjuster acts purely as a travel stop and does not hold the load without live air pressure; for fail-safe load holding, consider the SAIL or BSAI series.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX260-20 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX260-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 260 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 SAIJ200AX260-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×260 | 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 SAIJ200AX260-20 Is Used
Heavy Machinery Positioning
Fine-tune the 240-260 mm travel window during heavy press or large fixture setups to achieve exact end-position alignment.
Variable End-Stop Setup
Use the 20 mm rear adjuster to modify the stroke limit on the fly for product size changeovers without machining new external stoppers.
Large Assembly Line Tuning
Dial in the exact retraction point on heavy-duty assembly lines where a 200 mm bore provides the necessary 15708 N push force.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX260-20 the Right Cylinder?
Choose this 200 mm bore when the 160 mm class (9425 N pull at 0.5 MPa) is insufficient for your heavy machinery. An adjustable stroke is ideal for machine setups requiring variable end stops during product changeovers, avoiding the fixed travel limits of a standard SAI cylinder. The SAIJ200X260-20 is dimensionally interchangeable per ISO 15552 and is configured with a SUS420J2 rod, PT ports, and no magnet. Because the 260 mm stroke is relatively long for this large bore, an external guide is recommended to prevent rod binding under heavy side loads. The mounting set is limited to 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 SAIJ200AX260-20 FAQ
At 0.5 MPa, this 200 mm bore cylinder provides 15708 N of push force and 15080 N of pull force. At the maximum operating pressure of 1.0 MPa, it delivers up to 3204 kgf.
The rear adjuster is a mechanical stop that lets you shorten the 260 mm nominal stroke by up to 20 mm, creating a 240-260 mm usable travel window. It sets the end position but does not lock the load without live air pressure.
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