Airtac Adjustable Cylinder SAIJ32 SAIJ32BX270-30
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX270-30 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 SAIJ32BX270-30
The AirTAC SAIJ32X270-30 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the nominal 270 mm travel by up to 30 mm for a precise 240-270 mm usable window. Delivering 563 N of push force at 0.7 MPa, it fits perfectly into compact pneumatic setups requiring exact end-position tuning during commissioning. This configuration features a SUS304 stainless steel rod for superior corrosion resistance and utilizes a PT tapered port thread.
Because the adjuster acts purely as a mechanical stop, it decelerates the travel end alongside the standard air cushions but does not hold the load without live air. The extruded aluminum barrel includes sensor grooves on both sides, allowing you to easily add CMSE or DMSE position switches later if needed.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX270-30 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX270-30 |
|---|---|
| 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 SAIJ32BX270-30
| 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 SAIJ32BX270-30 Is Used
Changeover Calibration
Dial in the 240-270 mm travel window during machine changeovers to accommodate different product sizes without physically swapping the actuator.
End-Position Trimming
Fine-tune the retract end-stop during initial commissioning to achieve precise alignment, avoiding the need to machine custom external spacers.
Variable Diverter Stops
Adjust the stroke on the fly for conveyor diverters handling varying package lengths, ensuring gentle and accurate physical contact.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX270-30 the Right Cylinder?
Choose this 32 mm bore when an application demands exact end-stop tuning without the hassle of adding external stops or swapping cylinders during product changeovers. If your setup requires greater thrust, stepping up to the 40 mm bore yields 879 N of push force at 0.7 MPa. For load-holding without continuous air pressure, this standard SAIJ adjuster is not a lock; you would need to explore the SAIL or BSAI series instead.
When replacing an ISO 15552 cylinder, match the 32 mm bore, 270 mm stroke, 30 mm adjustment range, PT port thread, and standard mounting set. SAIJ supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts, omitting FB, CA, CB, and CR. Since the 270 mm stroke is relatively long for this compact bore, ensure external guidance is used to prevent excessive side-loading on the piston 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 SAIJ32BX270-30 FAQ
At 0.7 MPa operating pressure, this 32 mm bore cylinder provides 563 N of push force and 345 N of pull force. Maximum thrust is 82 kgf at 1.0 MPa.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the effective stroke from 270 mm down to 240 mm. It sets the travel end but does not lock the load without live air pressure.
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