Airtac Adjustable Cylinder SAIJ32 SAIJ32BX290-30S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX290-30S 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 SAIJ32BX290-30S
The AirTAC SAIJ32X290-30-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers 402N of push force at 0.5 MPa and features a 12mm SUS304 stainless steel rod. The built-in rear stopper allows you to trim the effective travel, creating a 260-290mm usable window from the 290mm nominal stroke without swapping out the physical cylinder.
Because this unit includes the -S magnet, it integrates seamlessly with AirTAC CMSE reed and DMSE electronic solid-state sensors housed in the dual-side barrel grooves. The PT tapered port threads match the standard G1/8 specification, while the adjustable end-stop acts purely as a travel deceleration point rather than a load-holding lock.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX290-30S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX290-30S |
|---|---|
| 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 SAIJ32BX290-30S
| 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 SAIJ32BX290-30S Is Used
Product Size Changeovers
Quickly dial in the 260-290mm stroke window during format changes on packaging lines, avoiding the need to physically swap cylinders for different carton sizes.
End-Position Tuning
Fine-tune the exact retract distance at machine commissioning to prevent mechanical crashes, using the rear stopper to perfect the tooling alignment.
Sensor-Driven Sorting
Leverage the integrated -S magnet with DMSE electronic sensors to confirm rod position during automated sorting tasks before triggering the next sequence.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX290-30S the Right Cylinder?
Choose this 32mm bore when an application requires precise end-position tuning during commissioning or frequent product-size changeovers, stepping up from smaller fixed-stroke units to gain 402N push force at 0.5 MPa. If your machine requires higher payload capacity, moving to a 40mm bore increases thrust to 628N. The rear adjuster allows you to dial in the exact 260-290mm stroke on the fly, eliminating the need to bolt on external stops.
For any stroke at or above 300mm, external guiding is recommended to prevent excessive side-loading on the 12mm rod. Remember that the SAIJ adjuster is a travel stop, not a brake; if the machinery needs to hold a load without live air pressure, utilize an external pilot-operated check valve or select the AirTAC SAIL locking cylinder. This profile cylinder is dimensionally interchangeable per ISO 15552 and uses a reduced mounting set of 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 SAIJ32BX290-30S FAQ
The rear adjusting screw acts as an external stopper that lets you shorten the effective stroke by up to 30mm. This creates a usable travel window of 260-290mm from the 290mm nominal stroke, allowing you to fine-tune the end position without changing the cylinder.
At a 0.5 MPa operating pressure, the SAIJ32X290-30-S generates 402N of push force and 345N of pull force. It can reach a maximum push force of 724N at 0.9 MPa.
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