Airtac Adjustable Cylinder SAIJ32 SAIJ32BX290-75
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX290-75 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 SAIJ32BX290-75
The AirTAC SAIJ32X290-75 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. With a 290 mm nominal stroke and a 75 mm adjustment range, you can fine-tune the effective travel anywhere between 215 and 290 mm during commissioning. It delivers 402 N of push force at 0.5 MPa, utilizing a 12 mm carbon steel rod and M10x1.25 threading.
This variant uses a SUS304 stainless steel rod for superior corrosion resistance and PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides, though this specific SKU is configured without a magnet. The rear adjuster functions strictly as a mechanical stop to set the end position, not as a lock, so live air pressure is required to hold the load.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX290-75 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX290-75 |
|---|---|
| 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 SAIJ32BX290-75
| 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 SAIJ32BX290-75 Is Used
Machine Changeover
Dial in the 215-290 mm travel window on the fly when switching product sizes on a packaging line.
End-Stop Tuning
Fine-tune the retract end-position precisely during commissioning without installing external mechanical stops.
Assembly Positioning
Index parts along a 290 mm path with adjustable endpoints to accommodate varying component heights.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX290-75 the Right Cylinder?
Choose this 32 mm bore when your application requires 402 N of push force at 0.5 MPa and a wide 215-290 mm travel window for product changeovers. If you need less force, stepping down to a 25 mm bore is an option, but stepping up to a 40 mm bore yields 628 N and a larger M12x1.25 rod for greater side-load resilience. Since the 290 mm stroke is relatively long, an external guide rail is recommended to prevent rod binding.
Select the adjustable-stroke SAIJ over a fixed SAI when you need to dial in end positions without adding external stops or swapping cylinders. For ISO 15552 interchangeability, match the 32 mm bore, 290 mm stroke, 75 mm adjustment, PT ports, and the Basic, FA, LB, TC, FTC, TCM1, TCM2 mounting set. If your machine requires fail-safe load holding without continuous air pressure, use an SAIL or BSAI cylinder instead, as the SAIJ adjuster only decelerates the stroke.
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 SAIJ32BX290-75 FAQ
The rear adjuster acts as a mechanical stop that lets you shorten the 290 mm nominal stroke by up to 75 mm, providing a usable travel window of 215 to 290 mm. It only sets the end position and does not lock the load without live air pressure.
At 0.5 MPa operating pressure, this 32 mm bore cylinder generates 402 N of push force and 345 N of pull force. It can achieve up to 724 N of push force at 0.9 MPa.
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