Airtac Adjustable Cylinder SAIJ32 SAIJ32AX65-40
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX65-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 65mm 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
- Stroke65 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX65-40
The AirTAC SAIJ32X65-40 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster. It features a 32mm bore and a 65mm nominal stroke that can be trimmed back by up to 40mm, creating a highly versatile 25-65mm usable travel window for precise end-position tuning at commissioning. Delivering 402N of push force at 0.5 MPa, it bridges the gap between small pneumatic clamps and mid-range actuators.
This variant includes a SUS420J2 stainless steel rod for superior corrosion resistance and uses PT tapered port threads. The extruded aluminum barrel integrates sensor grooves on both sides, supporting AirTAC CMSE reed and DMSE electronic sensors if a magnet is specified later. The rear adjuster acts purely as a mechanical stop to set the travel end and does not hold the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX65-40 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX65-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 65 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 SAIJ32AX65-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×65 | 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 SAIJ32AX65-40 Is Used
Machine Setup Changeover
Dial in the exact 25-65mm travel distance during product size transitions without replacing the cylinder or adding external mechanical stops.
End-Position Tuning
Fine-tune the retract end-position at commissioning to absorb mechanical tolerances and ensure precise positioning of small assembly parts.
Corrosion-Resistant Actuation
Leverage the SUS420J2 stainless steel rod in light-duty environments where moisture or coolant mist would degrade standard carbon steel rods.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX65-40 the Right Cylinder?
Choose this 32mm bore when an application requires approximately 402N of push force at 0.5 MPa, which is a notable step up in thrust from a 20mm bore but considerably less than the 628N provided by a 40mm cylinder. The adjustable stroke is ideal for machine setups requiring variable end stops or product-size changeovers without physically swapping out the actuator. Unlike a fixed-stroke SAI cylinder, the SAIJ32X65-40 allows you to dial in the exact 25-65mm travel distance on the fly.
When specifying this ISO 15552 replacement, confirm the 32mm bore, 65mm stroke, 40mm adjustment range, PT G1/8 port, and the SUS420J2 rod material. Because the stroke is under 300mm, side-load stress on the 12mm rod is minimal, though external guides are still recommended for heavy lateral loads. Remember that the rear adjuster is a travel stop, not a lock; for load-holding without live air pressure, consider an AirTAC SAIL or BSAI cylinder.
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 SAIJ32AX65-40 FAQ
The rear adjuster screw acts as a mechanical stop that shortens the effective travel. For this model, you can trim the 65mm nominal stroke back by up to 40mm, resulting in a usable travel window of 25-65mm.
At 0.5 MPa operating pressure, the SAIJ32X65-40 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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