Airtac SAIJ125 Adjustable Cylinder SAIJ125AX110-10
The AirTAC Airtac SAIJ125 Adjustable Cylinder SAIJ125AX110-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø125mm bore and 110mm 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
- Stroke110 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 40 mm
About the Airtac SAIJ125 Adjustable Cylinder SAIJ125AX110-10
The AirTAC SAIJ125X110-10 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a 100-110mm usable travel window, letting you dial back the nominal 110mm stroke by up to 10mm during commissioning. This bore delivers 6136N of push force at 0.5MPa, making it suited for heavy actuation tasks.
The barrel is extruded aluminum with sensor grooves on both sides. This specific configuration uses a SUS420J2 stainless steel rod for enhanced corrosion resistance and features PT tapered port threads. The rear adjuster acts as a mechanical stop to fine-tune the end position, but it does not lock the load without live air pressure.
Airtac SAIJ125 Adjustable Cylinder SAIJ125AX110-10 Technical Specifications
| Model | Airtac SAIJ125 Adjustable Cylinder SAIJ125AX110-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø125 mm |
| Stroke | 110 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 SAIJ125AX110-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×110 | 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 SAIJ125AX110-10 Is Used
Changeover Calibration
Dial in the exact 100-110mm end-stop during machine changeovers without installing external physical stops.
Heavy Pressing
Leverage 6136N of thrust at 0.5MPa for heavy pressing operations that require fine-tuned final positioning.
Component Seating
Adjust the stroke in 1mm increments to perfectly seat delicate components without modifying the fixture.
Is the Airtac SAIJ125 Adjustable Cylinder SAIJ125AX110-10 the Right Cylinder?
Choose this 125mm bore when a 100mm cylinder's 3927N at 0.5MPa is insufficient, but a 160mm bore is too large. The adjustable 10mm window is ideal for product changeovers where exact end-position tuning is required without swapping cylinders or adding external stops. For load-holding without live pressure, use an SAIL or BSAI cylinder instead of relying on the adjuster.
To match this ISO 15552 replacement, verify the 125mm bore, 110mm stroke, 10mm adjustment range, PT port threads, and Basic, FA, LB, TC, FTC, TCM1, or TCM2 mounting. Since the stroke is under 300mm, side-load concerns are minimal, but the 32mm rod and M27x2 thread handle robust loads effectively.
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 SAIJ125AX110-10 FAQ
At 0.5MPa, it provides 6136N of push force and 5734N of pull force. At 0.7MPa, the push force increases to 8590N.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the 110mm stroke by up to 10mm, creating a 100-110mm usable travel window. It requires live air to hold position.
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