Airtac SAIJ125 Adjustable Cylinder SAIJ125AX30-10
The AirTAC Airtac SAIJ125 Adjustable Cylinder SAIJ125AX30-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø125mm bore and 30mm 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
- Stroke30 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 40 mm
About the Airtac SAIJ125 Adjustable Cylinder SAIJ125AX30-10
The AirTAC SAIJ125X30-10 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, enabling a usable travel window of 20-30 mm from its 30 mm nominal stroke. Delivering 6136 N of push force at 0.5 MPa, it is built for heavy-duty positioning. This configuration features a SUS420J2 stainless steel rod (option A) for enhanced corrosion resistance and utilizes PT tapered port threads.
The rear adjustment screw allows technicians to fine-tune the end position during commissioning without adding external stops or replacing the cylinder. It utilizes a reduced mounting set—Basic, FA, LB, TC, FTC, TCM1, and TCM2—omitting the FB, CA, CB, and CR options. The adjuster acts strictly as a travel stop and does not hold the load without live air pressure.
Airtac SAIJ125 Adjustable Cylinder SAIJ125AX30-10 Technical Specifications
| Model | Airtac SAIJ125 Adjustable Cylinder SAIJ125AX30-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø125 mm |
| Stroke | 30 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 SAIJ125AX30-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×30 | 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 SAIJ125AX30-10 Is Used
Machine Changeovers
Dial in the exact 20-30 mm end position during product size changes without swapping out the entire cylinder assembly.
Heavy-Duty Positioning
Leverage 6136 N of thrust at 0.5 MPa to move heavy jigs into their final retracted position with fine-tuning capability.
Commissioning Calibration
Use the 10 mm rear adjuster to precisely set the retract stop during initial machine setup, ensuring perfect alignment.
Is the Airtac SAIJ125 Adjustable Cylinder SAIJ125AX30-10 the Right Cylinder?
Choose this 125 mm bore when your application requires substantial thrust, such as 6136 N at 0.5 MPa. If your force requirements are lower, stepping down to a 100 mm bore yields 3927 N at the same pressure. The 10 mm adjustment range is ideal for dialing in exact end positions during product changeovers on a line. When replacing an ISO 15552 cylinder, match the 125 mm bore, 30 mm stroke, 10 mm adjustment, PT port thread, and mounting style. Note that because the stroke is under 300 mm, side-load concerns are minimal, though an external guide is recommended for optimal rod longevity.
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 SAIJ125AX30-10 FAQ
At an operating pressure of 0.5 MPa, this 125 mm bore cylinder provides 6136 N of push force and 5734 N of pull force. At 0.7 MPa, the push force increases to 8590 N.
The SAIJ125X30-10 features a rear adjusting screw that allows you to shorten the effective stroke by up to 10 mm. This creates a usable travel window of 20 to 30 mm, letting you fine-tune the end position without replacing the cylinder.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models usually ship in 3-4 days.
Fast Reply
Most inquiries answered within 7-8 hours.
Related AirTAC SAI Cylinders
Request a Quote for Airtac SAIJ125 Adjustable Cylinder SAIJ125AX30-10
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.