Airtac Adjustable Cylinder SAIJ32 SAIJ32X120-30S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32X120-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 120mm 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
- Stroke120 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32X120-30S
The AirTAC SAIJ32X120-30-S is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. Outfitted with a carbon steel rod and a -S magnet, it accommodates AirTAC CMSE reed and DMSE electronic sensors within its dual-side barrel grooves. Operating at speeds of 30-800 mm/s, it yields a push force of 563N and a pull force of 345N at 0.7 MPa.
With a nominal 120 mm stroke and a 30 mm adjustment range, this SKU provides a usable travel window of 90-120 mm. The rear stopper screw enables precise end-position tuning at commissioning without external stops. It utilizes a PT tapered G1/8 port and offers a reduced mounting subset (Basic, FA, LB, TC, FTC, TCM1, TCM2) compared to fixed-stroke variants.
Airtac Adjustable Cylinder SAIJ32 SAIJ32X120-30S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32X120-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 120 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 SAIJ32X120-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×120 | 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 SAIJ32X120-30S Is Used
Product Changeover
Dial in the 90-120 mm travel window during packaging line format changes to accommodate varying box sizes without swapping hardware.
Sensor-Driven Sorting
Leverage the -S magnet with DMSE solid-state sensors to confirm end-of-stroke position before triggering the next pneumatic action.
End-Stop Calibration
Fine-tune the retract position during machine commissioning to align tooling perfectly, using the rear screw rather than adding external spacers.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32X120-30S the Right Cylinder?
Choose this 32 mm bore when an application requires 563N of push force at 0.7 MPa, stepping down from a 40 mm bore (879N) to save space, or up from smaller units. The adjustable 90-120 mm window is ideal for machine changeovers where the exact end-stop varies by product size. Unlike fixed SAI cylinders, the rear screw fine-tunes travel dynamically. Note that the adjuster acts only as a travel stop; it does not hold the load without live air. For load-holding, consider SAIL or BSAI cylinders. The PT port thread and -S magnet configuration ensure direct sensor compatibility.
Because the stroke is 120 mm, side-load stress on the 12 mm rod is moderate, but external guides should still be evaluated for off-center loads. Ensure your setup matches the ISO 15552 mounting interface and the specific SAIJ mounting set, which omits FB, CA, CB, and CR brackets.
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 SAIJ32X120-30S FAQ
At 0.7 MPa operating pressure, this 32 mm bore cylinder provides a push force of 563N and a pull force of 345N. It can reach a maximum push force of 724N at 0.9 MPa.
The rear adjuster screw allows you to shorten the effective travel from the 120 mm nominal stroke down to 90 mm. This stopper fine-tunes the end position but does not lock the load without live air pressure.
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