Airtac Adjustable Cylinder SAIJ32 SAIJ32BX290-100S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX290-100S 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 SAIJ32BX290-100S
The AirTAC SAIJ32X290-100-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 190 to 290 mm, allowing you to dial back the nominal stroke by up to 100 mm during commissioning. Delivering 563 N of push force at 0.7 MPa, it is built with a SUS304 stainless steel rod and includes a magnet for position sensing.
This model uses PT tapered ports sized G1/8 and supports a speed range of 30 to 800 mm/s. The extruded aluminum barrel includes sensor grooves on both sides for direct mounting of CMSE reed or DMSE electronic switches. The rear adjuster acts purely as a travel stop for end-position tuning and does not hold the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX290-100S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX290-100S |
|---|---|
| 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 SAIJ32BX290-100S
| 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 SAIJ32BX290-100S Is Used
Machine Changeover
Dial in the exact end-position during product size changeovers by adjusting the rear stopper within the 190 to 290 mm travel window.
Variable End-Stop Setup
Fine-tune the retract stroke at commissioning without swapping the cylinder or bolting on external mechanical stops.
Stainless Rod Applications
Utilize the SUS304 stainless steel rod in environments where corrosion resistance and reliable position sensing are required.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX290-100S the Right Cylinder?
Choose this 32 mm bore when an application requires fine end-position tuning across a 190 to 290 mm travel window without adding external stops or swapping cylinders. If your machine changeover demands variable end-stops, this adjustable-stroke unit is preferable to a fixed-stroke SAI cylinder. For higher force requirements, stepping up to the 40 mm bore yields 879 N of push force at 0.7 MPa.
Because the 290 mm stroke is relatively long for a 32 mm rod, external guidance is recommended to prevent excessive side-loading and premature seal wear. This configuration features PT ports, a SUS304 rod, and the -S magnet option. The rear adjuster and air cushions only decelerate the travel end; they do not function as a lock. For true load-holding without live air, select a SAIL or BSAI cylinder. This unit is dimensionally interchangeable per ISO 15552 and uses the reduced SAIJ mounting set: Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ32BX290-100S FAQ
This 32 mm bore cylinder provides a push force of 563 N at 0.7 MPa and 724 N at 0.9 MPa. The pull force is 345 N at 0.5 MPa.
The rear adjuster allows you to shorten the effective stroke by up to 100 mm, creating a usable travel window of 190 to 290 mm. The adjuster acts as a travel stop for end-position tuning and does not lock or hold the load without live air pressure.
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