Airtac Adjustable Cylinder SAIJ32 SAIJ32X120-100S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32X120-100S 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 SAIJ32X120-100S
The AirTAC SAIJ32X120-100-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, utilizing a 12mm carbon steel rod and PT G1/8 tapered port. Because this configuration includes a 100mm adjustment range on a 120mm nominal stroke, operators can dial the effective travel down to a 20mm minimum, creating a highly versatile 20-120mm usable window for highly variable end-stops.
This wide adjustment capacity allows for significant product-size changes on a line without physically swapping the actuator. The extruded aluminum barrel features sensor grooves on both sides, and the included -S magnet integrates seamlessly with AirTAC CMSE reed and DMSE electronic solid-state switches. The rear adjuster functions strictly as a travel stop for end-position tuning, meaning it will not hold a load without continuous live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32X120-100S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32X120-100S |
|---|---|
| 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 SAIJ32X120-100S
| 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 SAIJ32X120-100S Is Used
Product Size Changeovers
Leverage the massive 20-120mm usable travel window to rapidly accommodate varying package lengths on a packaging line without physically replacing actuators.
Machine Setup Optimization
Fine-tune the retract end-position during commissioning using the rear stopper, ensuring perfect alignment without adding external mechanical stops.
Variable End-Stop Positioning
Dial in the exact end-of-stroke point for light-duty pressing or pushing tasks, taking advantage of the 402N thrust at 0.5 MPa for precise contact.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32X120-100S the Right Cylinder?
Choose this 32mm bore when an application demands extreme stroke variability, as the 100mm adjustment window provides unmatched commissioning flexibility compared to a fixed-stroke SAI cylinder. If an assembly requires less frequent tweaking or slightly higher force, stepping up to the 40mm bore yields 628N of push force at 0.5 MPa. For this 120mm stroke, the 12mm rod handles standard loads adequately, but any application approaching or exceeding 300mm of travel will require an external guide to prevent excessive side-loading.
As a dimensionally interchangeable ISO 15552 profile cylinder, it matches standard mounting footprints using the SAIJ subset: Basic, FA, LB, TC, FTC, TCM1, and TCM2 (omitting FB, CA, CB, and CR). To replace an existing cylinder, verify the 32mm bore, 120mm nominal stroke, 100mm adjuster, PT tapered port thread, and the -S magnet requirement. Since the rear screw and air cushions only decelerate the piston, load-holding without live air requires a SAIL pneumatic lock, a BSAI clamp-lock, or an external pilot-operated check valve.
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 SAIJ32X120-100S FAQ
At 0.5 MPa operating pressure, this 32mm bore cylinder provides 402N of push force and 345N of pull force. If higher pressure is utilized, the push force increases to 563N at 0.7 MPa and 724N at 0.9 MPa.
The rear adjuster screw acts as an internal stop, allowing you to shorten the effective stroke by up to 100mm. This creates a usable travel window ranging from 20mm to 120mm, enabling wide product-size adjustments without changing the cylinder.
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