Airtac SAIJ200 Adjustable Cylinder SAIJ200AX260-75S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX260-75S 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 SAIJ200AX260-75S
The AirTAC SAIJ200X260-75-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering 15708N of push force at 0.5 MPa. It features a robust 40mm SUS420J2 stainless steel rod and a PT G3/4 port. By integrating a magnet, it supports CMSE reed and DMSE electronic sensors for precise position detection.
This model provides a usable travel window of 185 to 260mm, allowing you to dial back the nominal stroke by up to 75mm during commissioning. The extruded aluminum barrel includes sensor grooves on both sides. Remember that the rear adjuster functions strictly as a travel stop for end-position tuning, not as a load-holding lock.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX260-75S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX260-75S |
|---|---|
| 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 SAIJ200AX260-75S
| 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 SAIJ200AX260-75S Is Used
Heavy Machinery Setup
Fine-tune the 185-260mm travel window during heavy machinery commissioning without swapping cylinders or adding external stops.
Product Size Changeovers
Quickly adapt end positions for varying product dimensions on a production line using the 75mm rear adjustment range.
Large Fixture Positioning
Leverage the 15708N push force to move and position large fixtures, relying on the 40mm stainless steel rod for durability.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX260-75S the Right Cylinder?
Choose this 200mm bore cylinder when an application requires substantial thrust, such as 15708N push at 0.5 MPa, alongside variable end-stop positioning. If your force requirements are lower, stepping down to a 160mm bore yields 10053N of push force. The adjustable stroke is ideal for product-size changeovers on a line, whereas a fixed SAI cylinder suits static end positions. To replace an ISO 15552 unit, match the 200mm bore, 260mm stroke, 75mm adjustment, PT G3/4 port, and -S magnet.
Because the 260mm stroke is substantial, the 40mm rod diameter handles significant side loads, but an external guide is recommended for unsupported loads. This SAIJ model uses a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2), omitting FB, CA, CB, and CR. For load-holding without live air pressure, select a SAIL or BSAI cylinder instead of relying on the adjuster.
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 SAIJ200AX260-75S FAQ
At 0.5 MPa operating pressure, this 200mm bore cylinder provides a push force of 15708N and a pull force of 15080N. At 0.7 MPa, the push force increases to 21991N.
The rear adjuster acts as a mechanical stop, allowing you to shorten the effective stroke from the 260mm nominal length down to 185mm. It only sets the travel end and does not lock the load without live air pressure.
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