
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100BX270-50S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 270mm stroke, G1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
The AirTAC SAIJ100X270-50-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, providing a usable travel window of 220 to 270 mm. The SUS304 stainless steel rod offers high corrosion resistance for demanding environments.
This model includes a magnet for position sensing and uses a PT tapered G1/2 port. The rear adjuster acts purely as a travel stop to decelerate the piston, not as a lock, meaning live air is required to maintain the load. It supports standard AirTAC CMSE reed and DMSE electronic sensors mounted into the dual-side barrel grooves.
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX270-50S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 270 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| Rod thread | M20×1.5 |
| 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 – 800 mm/s |
| Cushion | Adjustable, 36 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.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3682 N | 3682 N |
| 0.7 MPa | 5154 N | — |
| Max (@1.0 MPa) | 751 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.
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×270 | 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.
Quickly dial the rear adjuster back by up to 50 mm when switching a packaging line to a shorter container, ensuring precise positioning without mechanical rebuilds.
Perfect the final clamping position of a 3927 N press during commissioning, using the 220-270 mm travel window to avoid tooling damage.
Adjust the stroke end dynamically for metal forming applications where material thickness variations require a slightly retracted end position.
The 50 mm adjustment range is ideal for production lines running mixed product sizes, letting you dial in the exact end-stop without adding external physical stops or swapping the cylinder. For load-holding without continuous air pressure, integrate an external pilot-operated check valve or select the AirTAC SAIL or BSAI locking cylinders instead.
To replace an ISO 15552 cylinder, match the 100 mm bore, 270 mm nominal stroke, 50 mm adjustment, PT G1/2 port, and -S magnet. Because the 270 mm stroke is relatively long, ensure external guide rails are used to prevent excessive side-loading on the SUS304 rod. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR.
Quick checklist
At the maximum 1.0 MPa pressure, it delivers up to 801 kgf.
The rear adjuster screw allows you to shorten the effective travel from the 270 mm nominal stroke down to 220 mm. It functions as a mechanical stop to set the retract end position and does not lock the load without live air pressure.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
Standard models are processed and dispatched in 3-5 business days.
Most inquiries answered within 7-8 hours.
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.