Airtac Adjustable Cylinder SAIJ32 SAIJ32X120-10S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32X120-10S 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 SAIJ32X120-10S
The AirTAC SAIJ32X120-10-S is a double-acting ISO 15552 profile cylinder with a rear stroke adjuster, delivering 402N of push force at 0.5 MPa. Its built-in rear stopper allows you to dial back the 120mm nominal stroke by up to 10mm, creating a precise 110-120mm usable travel window for fine end-position tuning. The extruded aluminum barrel features sensor grooves on both sides, and this -S variant includes a magnet for CMSE reed and DMSE electronic solid-state switches.
Unlike a fixed-stroke SAI, this adjustable model lets you trim the retract position at commissioning without swapping the cylinder or adding external stops. The M10x1.25 carbon steel rod and PT tapered port are standard for the 32mm bore, while the mounting set covers Basic, FA, LB, TC, FTC, TCM1, and TCM2 options. Remember that the rear adjuster acts only as a travel stop, not a load-holding lock.
Airtac Adjustable Cylinder SAIJ32 SAIJ32X120-10S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32X120-10S |
|---|---|
| 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 SAIJ32X120-10S
| 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 SAIJ32X120-10S Is Used
Product Changeover
Dial in the 110-120mm travel window during line changeovers to accommodate slightly different package sizes without changing hardware.
Commissioning Fine-Tune
Use the rear adjusting screw to precisely set the retract end-stop during initial machine setup, avoiding external stopper blocks.
Light Assembly Positioning
Leverage the 402N push force and exact end-position control for small part placement and light assembly tasks.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32X120-10S the Right Cylinder?
Choose this 32mm bore when you need 402N push force (345N pull at 0.5 MPa) with on-the-fly end-position adjustments. If your application requires higher force, stepping up to the 40mm bore yields 628N push at 0.5 MPa. The 10mm adjustment window is perfect for machine setup and product changeover, replacing the need to bolt on external stops. For load-holding without live air pressure, this plain SAIJ cylinder is insufficient—consider the SAIL or BSAI series instead.
When replacing an ISO 15552 cylinder, match the 32mm bore, 120mm stroke, 10mm adjustment range, PT port thread, and the -S magnet requirement. The standard variable air cushions at both ends help decelerate the load, but they do not function as a brake.
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 SAIJ32X120-10S FAQ
The rear adjuster screw acts as a mechanical stopper that lets you shorten the 120mm nominal stroke by up to 10mm, providing a 110-120mm usable travel window. It only sets the end position and does not lock the load without live air pressure.
At 0.5 MPa, it provides 402N of push force and 345N of pull force. If you step up to the 40mm bore, the push force increases to 628N at the same pressure.
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