Airtac Adjustable Cylinder SAIJ32 SAIJ32AX290-30
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX290-30 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 SAIJ32AX290-30
The AirTAC SAIJ32X290-30 is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a nominal 290 mm stroke that can be dialed back by up to 30 mm, yielding a precise 260-290 mm usable travel window. Delivering 402 N of push force at 0.5 MPa, it suits light-duty positioning tasks. The extruded aluminum barrel features sensor grooves on both sides, though this unit lacks the -S magnet option for CMSE or DMSE switches.
This model features a SUS420J2 stainless steel rod (material code A) for improved corrosion resistance compared to standard carbon steel. It uses PT tapered port threads (G1/8) and includes adjustable air cushions at both ends to decelerate the moving load. The rear stopper acts purely as a travel end setter, not a lock, so continuous air pressure is required to hold the load in place.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX290-30 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX290-30 |
|---|---|
| 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 SAIJ32AX290-30
| 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 SAIJ32AX290-30 Is Used
Machine Setup Calibration
Dial in the exact 260-290 mm retract position during initial commissioning to perfectly align a pick-and-place head without machining custom spacers.
Product Size Changeover
Quickly adjust the end-stop by up to 30 mm on a packaging line when switching between different product lengths, minimizing downtime.
Light-Duty Positioning
Leverage the 402 N push force to move small components into a testing fixture, using the built-in air cushions to ensure smooth, impact-free stops.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX290-30 the Right Cylinder?
Choose this 32 mm bore when an application requires roughly 402 N of push force at 0.5 MPa; if you need less force, step down to a smaller bore, or step up to a 40 mm bore (628 N push) for heavier payloads. An adjustable-stroke cylinder is selected over a fixed-stroke SAI when you need to fine-tune the retract end position during commissioning or product changeover without adding external stops. For load-holding without live air pressure, this cylinder is insufficient since the adjuster is only a stop—consider an SAIL or BSAI model instead.
When matching this ISO 15552 cylinder for a replacement, verify the 290 mm stroke, 30 mm adjustment range, PT port thread, and mounting style. SAIJ supports a specific mounting subset: Basic, FA, LB, TC, FTC, TCM1, and TCM2. Because the 290 mm stroke is relatively long for a 32 mm bore, the 12 mm rod and M10x1.25 rod thread have limited side-load capacity; always use an external guide rail to prevent rod binding and premature seal wear.
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 SAIJ32AX290-30 FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. It can reach up to 724 N of push force at 0.9 MPa.
The rear adjuster screw allows you to shorten the effective stroke by up to 30 mm, creating a 260-290 mm travel window. It functions as a mechanical stop to set the end position and does not lock the load without live air pressure.
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