Airtac SAIJ200 Adjustable Cylinder SAIJ200X280-40S
The AirTAC SAIJ200 Adjustable Cylinder SAIJ200X280-40S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 280mm stroke, G3/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ200 mm
- Stroke280 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200X280-40S
The AirTAC SAIJ200X280-40-S is a double-acting, double-rod ISO 15552 profile cylinder engineered for heavy-duty applications requiring precise end-position tuning. Equipped with a rear adjusting screw, this model allows you to trim the effective travel back by up to 40 mm, creating a usable stroke window of 240 to 280 mm without swapping the cylinder or adding external stops.
This variant includes a magnetic piston (-S) for position sensing and uses a standard carbon steel rod with PT tapered port threads (G3/4). The extruded aluminum barrel features sensor grooves on both sides, supporting AirTAC CMSE reed and DMSE electronic solid-state switches. The rear adjuster acts purely as a travel stop for commissioning fine-tuning and does not hold the load without live air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200X280-40S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200X280-40S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 280 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 | 15080 N | 15080 N |
| 0.7 MPa | 21111 N | — |
| Max (@1.0 MPa) | 3075 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ200 Adjustable Cylinder SAIJ200X280-40S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×280 | 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 SAIJ200X280-40S Is Used
Heavy-Duty Pressing
Dial in the exact 240-280 mm pressing depth during product changeovers using the rear stopper, ensuring consistent assembly force without re-engineering the machine layout.
Machine Commissioning
Trim the effective stroke by up to 40 mm during initial setup to prevent mechanical interference, relying on the standard ISO 15552 footprint for seamless integration.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200X280-40S the Right Cylinder?
Select this 200 mm bore cylinder when an application demands extreme thrust combined with variable end-stop positioning, such as pressing or heavy clamping setups that require on-the-fly adjustments. Because the nominal stroke is 280 mm, an external guide is recommended to manage side loads on the 40 mm rod during extended travel.
When replacing an ISO 15552 cylinder, match the 200 mm bore, 280 mm nominal stroke, 40 mm adjustment range, G3/4 PT port, and -S magnet. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting FB, CA, CB, and CR. For applications requiring the load to be held mechanically without live air, the rear stopper here is insufficient; consider an AirTAC SAIL or BSAI locking cylinder instead.
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 SAIJ200X280-40S FAQ
The rear adjusting screw acts as a mechanical stopper that allows you to shorten the effective stroke by up to 40 mm. This provides a usable travel window of 240 to 280 mm, enabling fine-tuning of the end position at commissioning without replacing the cylinder. Note that this adjuster is a stop, not a lock, and cannot hold the load without continuous air pressure.
If the pressure is increased to 0.9 MPa, the push force reaches 28274 N, with a maximum rated force of 3204 kgf at 1.0 MPa.
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