Airtac Adjustable Cylinder SAIJ32 SAIJ32BX220-40
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX220-40 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 SAIJ32BX220-40
The AirTAC SAIJ32X220-40 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. With a nominal 220 mm stroke and a 40 mm adjustment range, it provides a usable travel window of 180 to 220 mm. Delivering 402 N of push force at 0.5 MPa, it is built with a SUS304 stainless steel rod for superior corrosion resistance and uses PT tapered port threading.
This adjustable design allows you to fine-tune the retract end position at commissioning without swapping out the cylinder or adding external stops. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE reed or DMSE electronic sensors. The rear adjuster acts purely as a travel stop and does not hold the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX220-40 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX220-40 |
|---|---|
| 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 SAIJ32BX220-40
| 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 SAIJ32BX220-40 Is Used
Machine Setup Calibration
Dial in the exact retract position during initial commissioning using the 40 mm rear stopper, avoiding the need to machine custom spacers.
Product Size Changeover
Quickly adapt the 180-220 mm travel window on packaging lines when switching between different box or product sizes.
Corrosive Environments
Leverage the SUS304 stainless steel rod for reliable actuation in food processing or chemical handling areas requiring PT ports.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX220-40 the Right Cylinder?
Choose this 32 mm bore when your application requires 402 N of push force at 0.5 MPa and a highly variable end-stop. If you need to step up to 628 N of push force, move to the 40 mm bore. The 40 mm adjustment range is ideal for product-size changeovers on a line, giving you a 180-220 mm window to dial in. Because the stroke is 220 mm, ensure your mounting provides adequate external guidance to prevent excessive side loading on the 12 mm rod.
When replacing an ISO 15552 cylinder, match the 32 mm bore, 220 mm stroke, 40 mm adjustment, PT port, and SUS304 (B) rod material. Note that the SAIJ mounting set is limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. For applications requiring the load to be held without live air, this cylinder will not suffice; consider the SAIL or BSAI series instead.
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 SAIJ32BX220-40 FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. It can reach up to 724 N of push force at 0.9 MPa.
The rear adjuster screw allows you to shorten the effective travel from the nominal 220 mm down to as little as 180 mm. This stopper only sets the end position; it does not lock or hold the load without continuous air pressure.
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