Airtac Adjustable Cylinder SAIJ32 SAIJ32AX220-40S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX220-40S 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 SAIJ32AX220-40S
The AirTAC SAIJ32X220-40-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 40 mm, creating a precise 180-220 mm usable travel window. Delivering 402 N of push force at 0.5 MPa, it integrates a -S magnet for position sensing alongside a SUS420J2 stainless steel rod for improved corrosion resistance.
This adjustable model uses a rear stopper screw to set the retract end position without requiring external stops. The adjuster acts purely as a travel limit and does not lock the load without live air pressure. It features a G1/8 port, variable air cushions at both ends, and extruded aluminum barrel sensor grooves on two sides for flexible switch mounting.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX220-40S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX220-40S |
|---|---|
| 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 SAIJ32AX220-40S
| 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 SAIJ32AX220-40S Is Used
Product Changeovers
Dial in the 180-220 mm travel window during format changes on packaging lines, allowing rapid size adjustments without swapping cylinders.
Machine Setup
Fine-tune the retract end-position at commissioning to dial out mechanical tolerance stacks, ensuring precise end-of-stroke positioning.
Variable End Stops
Provide adjustable mechanical stops for assembly stations handling multiple part sizes within the 40 mm adjustment band.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX220-40S the Right Cylinder?
Choose this 32 mm bore when an application requires a 180-220 mm stroke window and moderate thrust up to 402 N at 0.5 MPa. If your setup demands higher force, stepping up to the 40 mm bore yields 628 N of push force. The adjustable rear stopper is selected over a fixed SAI cylinder when you need on-the-fly end-position tuning during machine commissioning or product changeovers. Because the rear adjuster is a stop and not a lock, load-holding without live air requires a SAIL pneumatic lock or external rod lock.
When replacing an ISO 15552 cylinder, match the 32 mm bore, 220 mm stroke, 40 mm adjustment range, PT tapered port threads, and -S magnet. This SAIJ configuration supports the Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounting set, omitting FB, CA, CB, and CR brackets. The 220 mm stroke is under the 1000 mm maximum standard stroke for this bore, so it is a standard configuration. For any stroke of 300 mm or more, ensure you use an external guide to prevent excessive side-loading on the 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 SAIJ32AX220-40S 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 220 mm nominal stroke by up to 40 mm, providing a usable travel window of 180-220 mm. It functions as a mechanical stop and does not hold the load without continuous air pressure.
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