Airtac Adjustable Cylinder SAIJ32 SAIJ32BX270-30S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX270-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 270mm stroke, G1/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ32 mm
- Stroke270 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX270-30S
The AirTAC SAIJ32X270-30-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a nominal 270 mm stroke that can be fine-tuned down by up to 30 mm, giving you a precise 240-270 mm usable travel window. In the 32 mm bore class, it delivers 402 N of push force and 345 N of pull force at 0.5 MPa.
This variant features a SUS304 stainless steel rod for superior corrosion resistance and includes a magnet for position sensing. You can dial in the retract end-position during commissioning without swapping hardware or adding external stops. The rear adjuster acts strictly as a travel stop, not a lock, so live air is required to hold the load.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX270-30S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX270-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 270 mm |
| Acting type | Double acting |
| Port size | G1/8 |
| Rod thread | M10×1.25 |
| 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, 27 mm |
| Max stroke | Up to 1000 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 (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac Adjustable Cylinder SAIJ32 SAIJ32BX270-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | 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.
Where the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX270-30S Is Used
Product Changeover
Quickly dial in the 240-270 mm travel window during format size changes on a packaging line without replacing the cylinder.
Machine Setup
Fine-tune the retract end position during initial commissioning to achieve precise alignment without machining external stops.
Variable End Stops
Adjust the stroke on the fly for diverter gates that need to accommodate different package sizes on a single conveyor.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX270-30S the Right Cylinder?
Choose this 32 mm bore cylinder when an application requires exact end-position tuning alongside a 240-270 mm travel window. If your setup needs greater thrust, stepping up to the 40 mm bore yields 628 N of push force at 0.5 MPa. Conversely, if you only need a fixed end stop without adjustability, a standard SAI cylinder simplifies the setup.
For a drop-in ISO 15552 replacement, match the 32 mm bore, 270 mm stroke, PT tapered port threads, and the -S magnet option. Mounting choices are limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2. Because the 270 mm stroke is relatively long for this compact bore, ensure external guides are used to prevent excessive side-loading on the rod.
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 Adjustable Cylinder SAIJ32 SAIJ32BX270-30S FAQ
A rear adjusting screw acts as a mechanical stopper, allowing you to shorten the effective stroke by up to 30 mm. This creates a usable travel window of 240-270 mm. Note that this adjuster is a stop, not a lock; the cylinder requires live air to hold its position.
Operating at 0.5 MPa, the SAIJ32X270-30-S generates 402 N of push force and 345 N of pull force. It can reach a maximum push force of 724 N at 0.9 MPa.
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