Airtac Adjustable Cylinder SAIJ32 SAIJ32BX270-100S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX270-100S 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 SAIJ32BX270-100S
The AirTAC SAIJ32X270-100-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the 270 mm nominal travel by up to 100 mm. This yields a 170-270 mm usable window for precise end-position tuning during commissioning without adding external stops. It delivers 402 N of push force at 0.5 MPa and features a SUS304 stainless steel rod for superior corrosion resistance.
This SAIJ variant uses a PT tapered port thread and includes a piston magnet (-S) for direct compatibility with AirTAC CMSE reed and DMSE solid-state sensors. The extruded aluminum barrel integrates sensor grooves on both sides, and the adjustable stopper functions purely as a travel end-limit, not a load-holding lock.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX270-100S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX270-100S |
|---|---|
| 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 SAIJ32BX270-100S
| 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 SAIJ32BX270-100S Is Used
Changeover Tuning
Fine-tune the 170-270 mm travel window during machine changeovers to accommodate different product lengths without swapping the cylinder.
Variable End Stops
Set precise retract positions for machining operations, leveraging the rear stopper to dial in the exact 100 mm adjustment range.
Lab Positioning
Ideal for laboratory equipment needing repeated stroke modifications, utilizing the SUS304 rod for clean corrosion resistance.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX270-100S the Right Cylinder?
Choose this 32 mm bore when your application requires 402 N push force at 0.5 MPa but demands on-the-fly stroke modifications within a 170-270 mm window. If your changeover requires less travel, stepping down to a 25 mm bore (if available) reduces footprint, while moving up to a 40 mm bore yields 628 N push force for heavier payloads. Because the 270 mm stroke is 300 mm or less, side-load risks are moderate, but an external guide is still recommended for unsupported loads.
Select this adjustable-stroke SAIJ over a fixed SAI when machine setups frequently change product sizes and require variable end-stops. The rear adjuster only sets the travel end and does not hold the load without live air; for true load-holding without pressure, consider the SAIL or BSAI series. This model matches ISO 15552 mounting-interface dimensions, uses a PT G1/8 port, and supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts.
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 SAIJ32BX270-100S FAQ
At a 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. It can deliver up to 724 N of push force at 0.9 MPa.
The rear adjuster acts as an external stopper, allowing you to shorten the 270 mm nominal stroke by up to 100 mm. This creates a usable travel window of 170-270 mm for fine-tuning end positions without replacing the cylinder.
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