Airtac Adjustable Cylinder SAIJ32 SAIJ32BX290-75S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX290-75S 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 SAIJ32BX290-75S
The AirTAC SAIJ32X290-75-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It features a SUS304 stainless steel rod and a magnet for CMSE or DMSE sensors. With a 290 mm nominal stroke and a 75 mm adjustment range, it provides a usable travel window of 215 to 290 mm for precise end-position tuning at commissioning.
In the 32 mm bore class, this unit delivers 402 N of push force and 345 N of pull force at 0.5 MPa. The external rear stopper allows you to dial in the exact retract distance during machine setup or product changeover without swapping the cylinder or adding external stops. It uses PT tapered ports and operates at speeds between 30 and 800 mm/s.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX290-75S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX290-75S |
|---|---|
| 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 SAIJ32BX290-75S
| 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 SAIJ32BX290-75S Is Used
Product Changeover Lines
Dial in the 215-290 mm travel window during format size changes without replacing the cylinder or adding external mechanical stops.
End-Position Tuning
Fine-tune the retract end-position at commissioning using the rear adjuster to perfect sensor triggering and part placement.
Stainless Rod Assembly
Leverage the SUS304 stainless steel rod and CMSE/DMSE sensor magnet for reliable positioning in varied manufacturing environments.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX290-75S the Right Cylinder?
Select this 32 mm bore model when your application requires 402 N of push force at 0.5 MPa and a highly variable end-stop. If you need more thrust, stepping up to the 40 mm bore yields 628 N of push force. The 75 mm adjustment window on this 290 mm stroke cylinder is ideal for lines running mixed product sizes, allowing rapid reconfiguration without mechanical rebuilds.
For stroke lengths of 300 mm or more on a 12 mm rod, long unsupported loads can induce side-load deflection, so an external guide is recommended. This SAIJ model uses the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2), omitting FB, CA, CB, and CR brackets. The rear adjuster acts only as a travel stop and does not hold the load without live air; for true load-holding without pressure, use a SAIL or BSAI cylinder. It is dimensionally interchangeable per ISO 15552.
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 SAIJ32BX290-75S FAQ
At 0.5 MPa, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. At the maximum operating pressure of 1.0 MPa, the push force reaches 80 kgf.
The rear adjuster acts as a mechanical stop that lets you trim the effective stroke back by up to 75 mm. This creates a usable travel window between 215 mm and 290 mm, allowing precise end-position tuning without changing the cylinder.
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