Airtac Adjustable Cylinder SAIJ32 SAIJ32AX220-75
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX220-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 220mm 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
- Stroke220 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX220-75
The AirTAC SAIJ32X220-75 is a double-acting, single-rod ISO 15552 profile cylinder featuring a substantial 75 mm rear stroke adjuster. This built-in stopper allows you to trim the nominal 220 mm travel back to a minimum of 145 mm, creating a wide 145-220 mm usable window for dialing in exact end positions during machine commissioning. Delivering 402 N of push force at 0.5 MPa, it fits neatly into the compact 32 mm bore class while offering flexible end-stop tuning without swapping out the physical cylinder body.
This unit is configured with a SUS420J2 stainless steel rod (material code A) for improved corrosion resistance compared to standard carbon steel. The extruded aluminum barrel incorporates sensor grooves on both sides, ready to accept AirTAC CMSE reed or DMSE electronic switches if position feedback is added later. It uses a PT G1/8 port and relies on variable air cushions at both ends to decelerate the load.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX220-75 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX220-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 220 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 SAIJ32AX220-75
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×220 | 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 SAIJ32AX220-75 Is Used
Variable End-Stop Setup
Dial in precise retract positions from 145 to 220 mm during machine commissioning without machining external stop blocks.
Product Changeover
Quickly adapt the stroke window on a packaging conveyor when handling different carton sizes, using the rear screw for rapid adjustments.
Stroke Tuning
Fine-tune the final end position to hit exact mechanical tolerances, preventing overshoot while utilizing the 30-800 mm/s speed range.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX220-75 the Right Cylinder?
Choose this 32 mm bore cylinder when your application requires 402 N of push force at 0.5 MPa and a highly variable end-position stop. If your setup needs less force, stepping down is not an option below 32 mm in this series, but if you need significantly more thrust, the 40 mm bore provides 628 N at the same pressure. The 75 mm adjustment range is ideal for product-size changeovers on a packaging line, acting as an external stop built into the rear cap. Remember that this rear adjuster is a travel stop, not a locking device; the cylinder cannot hold a load without live air pressure. For true fail-safe load holding, consider the SAIL or BSAI series instead.
Because this unit features a 220 mm stroke, which is over 300 mm combined with the adjuster, you should ensure adequate guiding for any unsupported load to prevent rod binding. This SAIJ32X220-75 is dimensionally interchangeable per ISO 15552 standards and uses the reduced SAIJ mounting set: Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ32AX220-75 FAQ
A rear-mounted adjusting screw acts as a mechanical stopper that shortens the retract stroke. For this model, you can trim the nominal 220 mm stroke back by up to 75 mm, giving you an effective travel window of 145 to 220 mm. It only adjusts the retract end position and does not lock the load.
At a 0.5 MPa operating pressure, the SAIJ32X220-75 provides 402 N of push force and 345 N of pull force. At the maximum 1.0 MPa pressure, it can deliver up to 82 kgf.
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