Airtac Adjustable Cylinder SAIJ32 SAIJ32AX225-30
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX225-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 225mm 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
- Stroke225 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX225-30
The AirTAC SAIJ32X225-30 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a nominal 225 mm stroke that can be fine-tuned backward by up to 30 mm, yielding a usable travel window of 195 to 225 mm. In the compact 32 mm bore class, it delivers 402 N of push force and 345 N of pull force at 0.5 MPa, operating at speeds between 30 and 800 mm/s.
This variant uses a SUS420J2 stainless steel rod (material code A) for improved corrosion resistance compared to standard carbon steel. It features PT tapered port threads (G1/8) and lacks a magnet, meaning it is not equipped for position sensing out of the box. The extruded aluminum barrel includes sensor grooves on both sides should you later need to add sensing capabilities.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX225-30 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX225-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 225 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 SAIJ32AX225-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×225 | 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 SAIJ32AX225-30 Is Used
Machine Changeover
Dial in the exact 195 to 225 mm end-stop during product size changes on a packaging line without replacing the cylinder.
Assembly Calibration
Fine-tune the retract position during machine commissioning to perfect the pressing distance of delicate components.
Variable End-Stop Setup
Adjust the travel window on the fly for prototype testing equipment where the optimal stroke length is still being determined.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX225-30 the Right Cylinder?
Select this 32 mm bore adjustable cylinder when your assembly requires precise end-position tuning during commissioning without swapping out physical hardware. If your application demands greater thrust, stepping up to the 40 mm bore yields 628 N of push force at 0.5 MPa, but the 32 mm bore is ideal for lighter-duty work. The rear adjuster acts strictly as a mechanical stop to set the travel end; it does not hold the load without live air pressure. For true load-holding requirements, consider an AirTAC SAIL or BSAI cylinder.
When replacing an ISO 15552 cylinder, match the 32 mm bore, 225 mm nominal stroke, 30 mm adjustment range, PT G1/8 ports, and standard mounting interface. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, deliberately omitting the FB, CA, CB, and CR brackets. Since this model features a 225 mm stroke, ensure proper external guidance to prevent excessive side-loading on the piston rod.
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 SAIJ32AX225-30 FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. At the maximum pressure of 1.0 MPa, it can deliver up to 82 kgf.
A rear external screw acts as a mechanical stopper, allowing you to shorten the effective stroke from 225 mm down to as little as 195 mm. This adjuster only sets the travel end and deceleration; it does not lock or hold the load without continuous air pressure.
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