Airtac SAIJ125 Adjustable Cylinder SAIJ125X195-10
The AirTAC Airtac SAIJ125 Adjustable Cylinder SAIJ125X195-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø125mm bore and 195mm stroke, G1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ125 mm
- Stroke195 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 40 mm
About the Airtac SAIJ125 Adjustable Cylinder SAIJ125X195-10
The AirTAC SAIJ125X195-10 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a 185-195 mm usable travel window, allowing you to dial in the exact end position during commissioning without adding external stops. It belongs in the heavy-force class, delivering 8590 N of push force at 0.7 MPa.
This model features a carbon steel piston rod and a PT tapered port thread. The extruded aluminum barrel includes sensor grooves on both sides, supporting CMSE reed and DMSE electronic sensors if a magnet is added later. The rear adjuster acts purely as a travel stop and does not hold the load without live air pressure.
Airtac SAIJ125 Adjustable Cylinder SAIJ125X195-10 Technical Specifications
| Model | Airtac SAIJ125 Adjustable Cylinder SAIJ125X195-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø125 mm |
| Stroke | 195 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| Rod thread | M27×2 |
| 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 – 500 mm/s |
| Cushion | Adjustable, 40 mm |
| Max stroke | Up to 1500 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 (Ø125mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 6136 N | 5734 N |
| 0.7 MPa | 8590 N | — |
| Max (@1.0 MPa) | 1251 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ125 Adjustable Cylinder SAIJ125X195-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×195 | 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 SAIJ125 Adjustable Cylinder SAIJ125X195-10 Is Used
Press Tooling Setup
Fine-tune the 195 mm stroke end position within a 10 mm window during press tooling changeovers to accommodate varying material thicknesses.
Heavy Material Handling
Provides 8590 N of push force at 0.7 MPa for moving heavy pallets or structural components, with an adjustable end-stop for fixture alignment.
Machine Commissioning
Dial in the exact retract position during initial machine commissioning without machining new spacer blocks or replacing the entire cylinder.
Is the Airtac SAIJ125 Adjustable Cylinder SAIJ125X195-10 the Right Cylinder?
Choose this 125 mm bore when your application requires upward of 8590 N of push force at 0.7 MPa, or step down to an 80 mm bore if you only need 3518 N. The 10 mm adjustment range is ideal for fine-tuning a 195 mm stroke during machine setup or product changeover, avoiding the need to physically swap a fixed-stroke SAI cylinder.
For load-holding without continuous air pressure, this cylinder is insufficient since the rear adjuster is a stop, not a lock; consider the BSAI clamp-lock or SAIL locking series instead. When integrating this ISO 15552 interchangeable unit, specify the PT port, carbon steel rod, and the reduced SAIJ mounting set: Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ125 Adjustable Cylinder SAIJ125X195-10 FAQ
At 0.7 MPa operating pressure, this 125 mm bore cylinder generates 8590 N of push force and 5734 N of pull force. It can reach a maximum push force of 11045 N at 0.9 MPa.
The rear adjuster screw lets you shorten the 195 mm nominal stroke by up to 10 mm, creating a 185-195 mm usable travel window. The adjuster acts as a mechanical stop to fine-tune the end position and does not lock the load without live air pressure.
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