Airtac Adjustable Cylinder SAIJ32 SAIJ32BX290-50
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX290-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 290mm 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
- Stroke290 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX290-50
The AirTAC SAIJ32X290-50 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the travel window between 240 and 290 mm. It delivers 402 N of push force at 0.5 MPa, making it well-suited for lighter-duty positioning tasks. The barrel is machined from extruded aluminum and includes sensor grooves on both sides for flexible switch placement.
This specific configuration incorporates a SUS304 stainless steel piston rod for enhanced corrosion resistance and utilizes PT tapered port threads. The integrated rear adjuster acts purely as a mechanical stop to dial in the exact end position during commissioning; it does not lock the load in place without continuous air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX290-50 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX290-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 290 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 SAIJ32BX290-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×290 | 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 SAIJ32BX290-50 Is Used
Machine Changeover
Dial in the 240-290 mm travel window rapidly when switching a packaging line to a different carton size, using the rear stopper instead of changing cylinders.
End-Position Tuning
Fine-tune the exact retract distance during initial commissioning to perfect a delicate pick-and-place motion without adding external mechanical stops.
Light-Load Diverting
Actuate a lightweight sorting flap with 402 N of push force at 0.5 MPa while maintaining the flexibility to adjust the stroke later for new product formats.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX290-50 the Right Cylinder?
Choose this 32 mm bore adjustable-stroke model when an application requires precise end-position tuning during setup or product changeover, avoiding the need to physically swap cylinders or bolt on external stops. If your process demands greater thrust, stepping up to the 40 mm bore SAIJ variant increases the 0.5 MPa push force to 628 N. Conversely, if you need to hold a load securely without live air pressure, this cylinder is not a lock; you should consider the SAIL or BSAI series instead.
Because the 290 mm stroke exceeds the 300 mm threshold, an external guide is recommended to prevent excessive side-loading on the piston rod. For a true ISO 15552 replacement, verify the 32 mm bore, 290 mm stroke, 50 mm adjustment range, PT port threads, and the required mounting style. SAIJ supports a reduced mounting subset of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR options.
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 SAIJ32BX290-50 FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. If you increase the pressure to 0.7 MPa, the push force rises to 563 N.
The rear adjuster screw lets you mechanically shorten the effective travel from 290 mm down to 240 mm. It functions as a hard stop for end-position tuning and does not hold the load without live air pressure.
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