Airtac Adjustable Cylinder SAIJ32 SAIJ32AX190-50
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX190-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 190mm 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
- Stroke190 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX190-50
The AirTAC SAIJ32X190-50 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear mechanical stroke adjuster. It provides a nominal 190 mm travel that can be dialed back by up to 50 mm, creating a 140-190 mm usable window for precise end-position tuning. In the 32 mm bore class, it delivers 402 N of push force and 345 N of pull force at 0.5 MPa. The piston rod uses SUS420J2 stainless steel, and the barrel is an extruded aluminum profile with sensor grooves on both sides.
This adjustable design eliminates the need to swap cylinders or add external stops during product changeovers. The rear adjuster acts purely as a travel stop and does not lock or hold the load without live air pressure. It supports a speed range of 30-800 mm/s and uses PT tapered port threads with a G1/8 connection.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX190-50 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX190-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 190 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 SAIJ32AX190-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×190 | 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 SAIJ32AX190-50 Is Used
Machine Changeover
Quickly dial in the 140-190 mm stroke window during product size transitions without swapping cylinders or adding external stops.
End-Position Tuning
Fine-tune the retract end position at commissioning to perfect part ejection or clamping accuracy on automated lines.
Variable End Stops
Set custom travel limits for short-run batches, using the rear adjuster to safely restrict the 190 mm nominal stroke.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX190-50 the Right Cylinder?
Choose this 32 mm bore model when your application requires 402 N of push force at 0.5 MPa alongside a highly variable end-stop. If your process demands greater thrust, stepping up to the 40 mm bore yields 628 N of push force. The 50 mm adjustment range is ideal for machines running multiple product sizes, allowing rapid commissioning without replacing the cylinder. For load-holding requirements without continuous air pressure, use a SAIL or BSAI cylinder instead, as the SAIJ adjuster is only a stop.
When replacing an ISO 15552 cylinder, match the 32 mm bore, 190 mm stroke, 50 mm adjustment, PT G1/8 port, and SUS420J2 rod material. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2. Since this model lacks a -S magnet, it cannot host CMSE or DMSE sensors without modification.
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 SAIJ32AX190-50 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 allows you to shorten the effective stroke by up to 50 mm, creating a 140-190 mm usable travel window. It acts as a mechanical stop to fine-tune end positions and does not hold the load without live air pressure.
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