Airtac Adjustable Cylinder SAIJ32 SAIJ32BX220-50
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX220-50 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 SAIJ32BX220-50
The AirTAC SAIJ32X220-50 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a 170-220 mm usable travel window, allowing you to dial back the 220 mm nominal stroke by up to 50 mm during commissioning. Delivering 563N of push force at 0.7 MPa, it fits compact pneumatic setups perfectly.
This variant uses a SUS304 stainless steel rod for superior corrosion resistance and features PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch placement. The rear adjuster acts purely as a travel stop to fine-tune end positions without adding external stops, and does not hold the load without live air.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX220-50 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX220-50 |
|---|---|
| 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 SAIJ32BX220-50
| 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 SAIJ32BX220-50 Is Used
Machine Changeover
Dial in the exact end-stop for different product lengths on a packaging line without physically replacing the cylinder or adding external shims.
Position Calibration
Fine-tune the retract stroke during initial commissioning to dial out mechanical tolerance and achieve precise 170-220mm travel endpoints.
Variable End Stops
Adjust the effective travel window on the fly for automated assembly equipment that processes multiple part sizes.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX220-50 the Right Cylinder?
Choose this 32mm bore when you need precise end-position tuning for product size changeovers without swapping cylinders. If your application requires less force, stepping down is not an option in this frame, but stepping up to a 40mm bore yields 879N push at 0.5 MPa for heavier loads. The 12mm rod and M10x1.25 thread handle moderate side loads, but for this 220mm stroke, an external guide is recommended to prevent rod wear.
The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. It is dimensionally interchangeable per ISO 15552. For load-holding without live air pressure, consider the SAIL or BSAI series instead, as the SAIJ adjuster is a stop, not a lock.
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 SAIJ32BX220-50 FAQ
The rear adjuster screw acts as a mechanical stop that lets you shorten the effective travel from the 220mm nominal stroke down to a minimum of 170mm, creating a 170-220mm usable window. It sets the end position but does not lock or hold the load without live air pressure.
This 32mm bore cylinder generates 402N of push force and 345N of pull force at 0.5 MPa. At 0.7 MPa, the push force increases to 563N, with a maximum rated force of 82 kgf at 1.0 MPa.
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