Airtac Adjustable Cylinder SAIJ32 SAIJ32AX250-100
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX250-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 250mm 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
- Stroke250 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX250-100
The AirTAC SAIJ32X250-100 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the 250 mm nominal stroke by up to 100 mm. This yields a usable travel window of 150-250 mm, providing immense flexibility for fine-tuning end positions during machine commissioning or product changeovers without swapping out the physical actuator. It delivers 402 N of push force and 345 N of pull force at 0.5 MPa.
This 32 mm bore unit features a 12 mm carbon steel rod (here upgraded to SUS420J2 stainless steel) and a G1/8 port. The extruded aluminum barrel includes sensor grooves on both sides for mounting CMSE reed or DMSE electronic sensors. The rear adjuster acts purely as a mechanical stop to set the travel end and relies on the integrated air cushions for deceleration; it does not hold the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX250-100 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX250-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 250 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 SAIJ32AX250-100
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×250 | 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 SAIJ32AX250-100 Is Used
Product Changeovers
Quickly reconfigure the 150-250 mm travel end-stop on packaging lines when switching to different box or product sizes.
Commissioning Setup
Fine-tune the exact end position during machine setup without machining external stopper blocks or replacing the cylinder.
Variable End Stops
Dial in the precise clamping or positioning distance on test fixtures, relying on the rear screw for exact mechanical limits.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX250-100 the Right Cylinder?
Choose this 32 mm bore actuator when your application requires a 150-250 mm travel window and moderate thrust up to 402 N at 0.5 MPa. If your setup needs greater force, stepping up to the 40 mm bore offers 628 N of push thrust at the same pressure. Conversely, lighter duties can drop to a smaller bore. The adjustable rear stopper is ideal for variable end-stops and machine setup, whereas a fixed SAI cylinder is preferred when the travel distance is permanently locked.
This SAIJ32X250-100 is dimensionally interchangeable per ISO 15552 standards. It uses a PT tapered port thread and supports a reduced mounting set including Basic, FA, LB, TC, FTC, TCM1, and TCM2 (omitting FB, CA, CB, and CR). Because the 250 mm stroke is relatively long for a 32 mm bore, you should use an external guide to prevent excessive side-load on the 12 mm rod. For load-holding without live air pressure, consider the SAIL or BSAI series, as the adjuster here is strictly a stop, not a lock.
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 SAIJ32AX250-100 FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. It can reach up to 724 N of push force at 0.9 MPa.
The rear adjuster screw lets you shorten the 250 mm nominal stroke by up to 100 mm, creating a usable travel window of 150-250 mm. This stopper sets the end position but does not lock the load without continuous air pressure.
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