Airtac SAIJ125 Adjustable Cylinder SAIJ125AX600-10S
The AirTAC Airtac SAIJ125 Adjustable Cylinder SAIJ125AX600-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø125mm bore and 600mm 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
- Stroke600 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 40 mm
About the Airtac SAIJ125 Adjustable Cylinder SAIJ125AX600-10S
The AirTAC SAIJ125X600-10-S is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a substantial 6136N pull force at 0.5 MPa and uses a PT tapered port thread. The integrated -S magnet enables precise position sensing with AirTAC CMSE reed and DMSE solid-state switches.
This model features a 600mm nominal stroke with a 10mm rear adjustment screw, creating a 590-600mm usable travel window for fine-tuning end positions during commissioning. The extruded aluminum barrel includes sensor grooves on both sides, and the SUS420J2 stainless steel rod offers enhanced corrosion resistance compared to standard carbon steel.
Airtac SAIJ125 Adjustable Cylinder SAIJ125AX600-10S Technical Specifications
| Model | Airtac SAIJ125 Adjustable Cylinder SAIJ125AX600-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø125 mm |
| Stroke | 600 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 SAIJ125AX600-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×600 | 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 SAIJ125AX600-10S Is Used
Machine Changeover
Fine-tune the 590-600mm retract stop during product size changes without physically swapping the cylinder or repositioning hard mounts.
End-Position Tuning
Dial in the exact end-of-stroke position at commissioning to compensate for mechanical tolerance stack-up across long 600mm travels.
Material Handling
Adjust the retract distance on heavy packaging lines to accommodate varying package lengths while maintaining 6136N of pulling force.
Is the Airtac SAIJ125 Adjustable Cylinder SAIJ125AX600-10S the Right Cylinder?
Choose this 125mm bore when a 100mm bore (delivering 3681N pull at 0.5 MPa) lacks the necessary force, but a 160mm bore (9425N pull) would be physically oversized. The 10mm adjustable window is ideal for dialing in exact retract positions without adding external stops. Note that the rear adjuster acts only as a travel stop; it does not hold the load without live air. For load-holding requirements, consider an AirTAC SAIL or BSAI cylinder.
Because the 600mm stroke is substantial, an external guide is recommended to prevent excessive side-loading on the 32mm rod. Mounting options include the reduced SAIJ set: Basic, FA, LB, TC, FTC, TCM1, and TCM2. To match this ISO 15552 interchangeable cylinder, specify bore 125, stroke 600, 10mm adjust, PT port, and the -S 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 SAIJ125 Adjustable Cylinder SAIJ125AX600-10S FAQ
The rear adjuster screw allows you to shorten the effective stroke by up to 10mm, providing a usable travel window of 590-600mm. This lets you fine-tune the end position during setup without changing the cylinder, though it acts as a stop and not a load lock.
At 0.5 MPa it provides 6136N of push force and 5734N of pull force. At 0.7 MPa the push force increases to 8590N. The cylinder operates at speeds between 30-500 mm/s.
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