Airtac Adjustable Cylinder SAIJ32 SAIJ32AX270-30
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX270-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 270mm 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
- Stroke270 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX270-30
The AirTAC SAIJ32X270-30 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a usable travel window of 240-270mm, letting you dial back the nominal 270mm stroke by up to 30mm during machine commissioning. In the 32mm bore class, it delivers 402N of push force at 0.5MPa and 563N at 0.7MPa, making it well-suited for lighter-duty positioning tasks.
This variant uses a SUS420J2 stainless steel rod (material code A) for improved corrosion resistance compared to standard carbon steel. The extruded aluminum barrel includes sensor grooves on both sides for direct mounting of position switches. Because this is a 270mm stroke, the 12mm diameter piston rod should be guided externally on long reaches to prevent excessive side-loading and premature seal wear.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX270-30 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX270-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 270 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 SAIJ32AX270-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×270 | 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 SAIJ32AX270-30 Is Used
Machine Setup & Commissioning
Dial in the exact 240-270mm retract position during initial machine build without machining external spacers or changing the cylinder.
Product Size Changeover
Quickly adapt the end-stop for varying product lengths on a packaging line by turning the rear adjustment screw.
Light-Duty Positioning
Leverage the 402N push force at 0.5MPa to move small slides or stops into precise locations within the tuned travel window.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX270-30 the Right Cylinder?
Choose this 32mm bore adjustable-stroke actuator when your application requires fine-tuning of the retract end-position without swapping cylinders or adding external stops. If your process needs less force, stepping down is not an option below 32mm in this series, but stepping up to the 40mm bore yields 628N of push force at 0.5MPa. Conversely, if you require higher clamping or pressing forces, the 50mm bore provides 982N at 0.5MPa.
When specifying a replacement, match the 32mm bore, 270mm stroke, 30mm adjustment range, PT tapered port threads, and the SUS420J2 rod material. Note that the rear adjuster acts only as a mechanical stop and does not hold the load without live air pressure; for true load-holding without supply pressure, consider an AirTAC SAIL or BSAI series cylinder. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting FB, CA, CB, and CR.
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 SAIJ32AX270-30 FAQ
At 0.5MPa, this 32mm bore cylinder provides 402N of push force and 345N of pull force. At 0.7MPa, the push force increases to 563N.
The rear adjuster screw allows you to shorten the effective stroke from 270mm down to a minimum of 240mm. It acts as a mechanical stop to fine-tune the end position, but it does not lock or hold the load without continuous air pressure.
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