Airtac Adjustable Cylinder SAIJ32 SAIJ32AX280-30S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX280-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 280mm 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
- Stroke280 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX280-30S
The AirTAC SAIJ32X280-30-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a nominal 280 mm stroke that can be fine-tuned down by up to 30 mm, giving you a precise 250-280 mm usable travel window. Delivering 402 N of push force at 0.5 MPa, it fits light-duty positioning tasks perfectly.
This variant features a SUS420J2 stainless steel rod (code A) for improved corrosion resistance and includes a magnet (-S) for use with AirTAC CMSE reed and DMSE electronic sensors. The extruded aluminum barrel retains standard ISO 15552 mounting dimensions while offering an adjustment subset of Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX280-30S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX280-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 280 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 SAIJ32AX280-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×280 | 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 SAIJ32AX280-30S Is Used
Product Changeover
Dial in the 250-280 mm travel window quickly on packaging lines when switching between different carton depths, avoiding mechanical rebuilds.
End-Stop Calibration
Fine-tune the retract position during machine commissioning to perfectly seat light 402 N push-force components without adding external stops.
Variable Diverter
Adjust the stroke on the fly for pneumatic diverters that need to route different product sizes along a conveyor belt.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX280-30S the Right Cylinder?
Choose this 32 mm bore when a 40 mm neighbor's 628 N pull force is overkill, but you need precise end-position tuning during commissioning. The rear screw lets you dial in the exact 250-280 mm travel without swapping cylinders or adding external stops. Remember that the adjuster acts only as a travel stop and does not hold the load without live air; for dead-air load holding, consider an external pilot-operated check valve or the SAIL lock cylinder.
To replace an ISO 15552 cylinder, match the 32 mm bore, 280 mm stroke, 30 mm adjustment, PT tapered port, and -S magnet. Because the stroke is 280 mm, the 12 mm rod and M10x1.25 thread handle moderate side loads, but an external guide rail is recommended to prevent rod binding over this extended travel.
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 SAIJ32AX280-30S 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 0.7 MPa, the push force increases to 563 N.
The rear adjuster screw allows you to shorten the effective stroke by up to 30 mm, creating a 250-280 mm travel window. It functions as a mechanical stop for end-position tuning and does not lock the load without continuous air pressure.
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