Airtac Adjustable Cylinder SAIJ32 SAIJ32AX240-75S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX240-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 240mm 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
- Stroke240 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX240-75S
The AirTAC SAIJ32X240-75-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers 402N of push force at 0.5 MPa and features a SUS420J2 stainless steel rod (option A) for enhanced corrosion resistance. The integrated -S magnet supports position sensing via AirTAC CMSE reed and DMSE electronic switches mounted in the dual-side sensor grooves.
This model provides a nominal 240mm stroke that can be fine-tuned down by up to 75mm, creating a usable travel window of 165-240mm. This wide adjustment range allows operators to dial in exact retract end positions during product changeovers without adding external stops or swapping the cylinder.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX240-75S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX240-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 240 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 SAIJ32AX240-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×240 | 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 SAIJ32AX240-75S Is Used
Product Changeovers
Quickly reconfigure the retract end position from 165 to 240mm when switching between different product sizes on a packaging line.
End-Position Tuning
Fine-tune the exact retract distance during machine commissioning without machining new hard stops or changing the cylinder.
Adjustable Ejection
Vary the ejection stroke length dynamically for parts of different heights while maintaining standard ISO 15552 mounting.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX240-75S the Right Cylinder?
Choose this 32mm bore when your application requires 402N push or 345N pull force at 0.5 MPa. If your setup demands higher thrust, stepping up to the 40mm bore yields 628N push force at 0.5 MPa. The adjustable stroke is ideal for machines running multiple product sizes, allowing the retract end-stop to be reconfigured on the fly instead of replacing a fixed-stroke SAI cylinder.
Because the 240mm stroke is substantial for a 32mm bore, an external guide is recommended to prevent excessive side-loading on the 12mm rod. Note that the rear adjuster acts only as a travel stop, not a lock; the cylinder cannot hold a load without live air. For load-holding requirements, consider an AirTAC SAIL or BSAI cylinder. This SKU uses a PT tapered 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 SAIJ32AX240-75S FAQ
At 0.5 MPa operating pressure, this 32mm bore cylinder provides 402N of push force and 345N of pull force. At the maximum rated pressure of 1.0 MPa, it delivers up to 82 kgf.
The rear adjuster screw allows you to shorten the effective stroke by up to 75mm from the nominal 240mm, providing a usable travel window of 165-240mm. The adjuster acts as a mechanical stop to set the retract position and does not lock the load without air pressure.
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