Airtac Adjustable Cylinder SAIJ32 SAIJ32X125-100S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32X125-100S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 125mm 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
- Stroke125 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32X125-100S
The AirTAC SAIJ32X125-100-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a usable travel window of 25-125 mm, allowing you to dial back the nominal 125 mm stroke by up to 100 mm during machine setup. Delivering 402 N of push force at 0.5 MPa, it fits compact pneumatic setups needing precise end-positioning.
This variant includes a standard -S magnet for position sensing with AirTAC CMSE reed or DMSE electronic switches, which seat neatly into the sensor grooves on both sides of the extruded aluminum barrel. It features a 12 mm carbon steel rod, M10x1.25 rod threading, and PT tapered port threads. The rear adjuster acts purely as a mechanical stop for end-position tuning and does not hold the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32X125-100S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32X125-100S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 125 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 SAIJ32X125-100S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×125 | 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 SAIJ32X125-100S Is Used
Product Changeovers
Dial in the 25-125 mm travel window on the fly to accommodate varying package sizes without physically swapping the cylinder.
Machine Commissioning
Fine-tune the retract end-position during initial setup to align tooling perfectly, avoiding the need for external mechanical stops.
Lightweight Positioning
Use the 402 N thrust and integrated CMSE/DMSE sensor magnet for precise, repeatable positioning of small components.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32X125-100S the Right Cylinder?
Choose this 32 mm bore when your application requires 402 N push force at 0.5 MPa, but you need flexibility in the end-stop position. If your setup demands higher thrust, stepping up to the 40 mm bore yields 628 N at the same pressure. The 100 mm adjustment range is ideal for product changeovers on a line, letting you fine-tune the travel window without swapping cylinders or adding external stops. For holding loads safely without continuous air pressure, select a SAIL or BSAI series cylinder instead, as the SAIJ adjuster is not a lock.
Because the stroke is 125 mm, side-load risks are minimal, but always ensure the rod threading handles the mounting loads properly. This SAIJ model is dimensionally interchangeable per ISO 15552 and uses a reduced mounting set: Basic, FA, LB, TC, FTC, TCM1, and TCM2. It omits FB, CA, CB, and CR mounts. To match this cylinder for an ISO 15552 replacement, specify bore 32, stroke 125, 100 mm adjustment, PT ports, and the -S magnet option.
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 SAIJ32X125-100S FAQ
At 0.5 MPa, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. It operates at speeds ranging from 30 to 800 mm/s.
The rear adjuster screw acts as a mechanical stop, letting you shorten the effective stroke from 125 mm down to as little as 25 mm. It sets the end-position but does not lock or hold the load without live air pressure.
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