Airtac Adjustable Cylinder SAIJ32 SAIJ32AX220-20S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX220-20S 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 SAIJ32AX220-20S
The AirTAC SAIJ32X220-20-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a nominal 220 mm stroke that can be fine-tuned down by up to 20 mm, creating a precise 200-220 mm usable travel window for commissioning without external stops. Delivering 402 N of push force at 0.5 MPa, it fits compact automation setups perfectly.
This variant features a SUS420J2 stainless steel rod (option A) for improved corrosion resistance and includes a magnet (-S) for direct compatibility with AirTAC CMSE reed and DMSE electronic sensors. The extruded aluminum barrel houses sensor grooves on both sides, and fluid control is managed via PT tapered G1/8 ports.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX220-20S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX220-20S |
|---|---|
| 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 SAIJ32AX220-20S
| 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 SAIJ32AX220-20S Is Used
Product Changeover
Dial in the 200-220 mm travel window during format changes on packaging lines, avoiding the need to physically swap cylinders for different package sizes.
Sensor Calibration
Leverage the integrated magnet with DMSE electronic sensors while using the rear stopper to precisely define the retraction end-point for sensitive assembly tasks.
End-Stop Tuning
Fine-tune the final resting position of tooling at machine commissioning, using the 20 mm adjustment range to absorb minor mechanical tolerances without adding external stops.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX220-20S the Right Cylinder?
Choose this 32 mm bore when an application demands exact end-position tuning on the fly; if you need greater thrust, stepping up to the 40 mm bore yields 628 N at 0.5 MPa. The rear adjuster acts purely as a mechanical stop to set the travel end and does not hold the load without live air pressure. For load-holding requirements, consider the SAIL or BSAI series instead.
To match this ISO 15552 cylinder for a direct replacement, verify the 32 mm bore, 220 mm stroke, 20 mm adjustment range, PT port threads, and the -S magnet option. Mounting choices are limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2. Because the stroke is 220 mm, ensure external guiding is used 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 SAIJ32AX220-20S FAQ
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the effective travel from the 220 mm nominal stroke down to a minimum of 200 mm. This provides a 200-220 mm usable window for fine-tuning the retraction end-position at commissioning.
At a 0.5 MPa operating pressure, the SAIJ32X220-20-S generates 402 N of push force and 345 N of pull force. It can reach a maximum push force of 724 N at 0.9 MPa.
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