Airtac Adjustable Cylinder SAIJ32 SAIJ32AX50-30
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX50-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 50mm 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
- Stroke50 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX50-30
The AirTAC SAIJ32X50-30 is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It features a 50mm nominal stroke that can be dialed back by up to 30mm, providing a usable travel window of 20-50mm for precise end-position tuning during commissioning. In the 32mm bore class, it delivers 402N of push force and 345N of pull force at 0.5 MPa.
This variant uses an SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance compared to standard carbon steel. The extruded aluminum barrel includes sensor grooves on both sides, though this specific SKU omits the magnet, meaning position sensing via AirTAC CMSE or DMSE switches is not supported without modification. The PT tapered port threads ensure a tight, reliable air connection at the G1/8 port size.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX50-30 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX50-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 50 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 SAIJ32AX50-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×50 | 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 SAIJ32AX50-30 Is Used
Machine Setup Tuning
Dial in the exact 20-50mm travel distance during initial machine commissioning to perfect pick-and-place positioning without adding external stopper blocks.
Product Changeover
Quickly adjust the retract end-position by up to 30mm on packaging lines when switching between product sizes, minimizing downtime.
Precision End-Stops
Use the rear mechanical stop to fine-tune the final resting position of small actuators, ensuring repeatable contact without replacing the cylinder.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX50-30 the Right Cylinder?
Choose this 32mm bore adjustable cylinder when your application requires fine-tuning of the retract end-position without swapping out physical components; for higher force needs up to 628N push at 0.5 MPa, step up to the 40mm bore. The rear adjuster acts strictly as a mechanical stop to set the travel end and does not hold the load without live air pressure. For load-holding requirements without continuous air, consider an external rod lock or related types like the SAIL (air-released lock) or BSAI (clamp-lock). When matching ISO 15552 replacements, verify the 50mm stroke, 30mm adjustment range, PT port threads, and the absence of a magnet.
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 SAIJ32AX50-30 FAQ
At a 0.5 MPa operating pressure, the 32mm bore provides 402N of push force and 345N of pull force. It can reach up to 724N of push force at 0.9 MPa.
The rear adjuster allows you to shorten the 50mm nominal stroke by up to 30mm, creating an adjustable travel window between 20mm and 50mm. The adjuster functions only as a travel stop and does not lock the load without live air.
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