Airtac SAIJ125 Adjustable Cylinder SAIJ125X60-10S
The AirTAC Airtac SAIJ125 Adjustable Cylinder SAIJ125X60-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø125mm bore and 60mm 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
- Stroke60 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 40 mm
About the Airtac SAIJ125 Adjustable Cylinder SAIJ125X60-10S
The AirTAC SAIJ125X60-10-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering 6136N of push force at 0.5 MPa. It features a carbon steel piston rod and a PT tapered port thread. Because of the 10mm adjustment code, the usable travel window spans 50 to 60mm, allowing you to dial in the exact retract position without swapping hardware.
This model includes a magnet (-S) for use with AirTAC CMSE reed and DMSE electronic sensors. The rear adjuster acts purely as a mechanical stop to fine-tune the end position and does not hold the load without live air. It uses a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR.
Airtac SAIJ125 Adjustable Cylinder SAIJ125X60-10S Technical Specifications
| Model | Airtac SAIJ125 Adjustable Cylinder SAIJ125X60-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø125 mm |
| Stroke | 60 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 SAIJ125X60-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×60 | 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 SAIJ125X60-10S Is Used
Precision End-Stop Tuning
Dial in the exact 50-60mm retract position during commissioning to achieve precise contact alignment without machining external spacers.
Product Size Changeover
Quickly adapt machinery for varying product lengths by adjusting the rear stopper screw up to 10mm during line changeovers.
Heavy-Duty Forming
Leverage the 6136N push force at 0.5 MPa for pressing and forming tasks that require both high thrust and fine position control.
Is the Airtac SAIJ125 Adjustable Cylinder SAIJ125X60-10S the Right Cylinder?
Choose this 125mm bore when you need heavy thrust that a 100mm bore cannot provide, or step down to an 80mm bore if 2513N at 0.5 MPa is sufficient. The adjustable stroke is ideal for machine setup and product changeovers, letting you trim the end-stop by up to 10mm instead of installing external stops or buying a fixed-stroke SAI cylinder. For load-holding without live air pressure, use an external rod lock or pilot-operated check valve, as the adjuster is not a brake. To match this ISO 15552 replacement exactly, specify the 125mm bore, 60mm stroke, 10mm adjustment, PT port, and -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 SAIJ125X60-10S FAQ
At 0.5 MPa operating pressure, this 125mm bore cylinder provides 6136N of push force and 5734N of pull force. At 0.7 MPa, the push force increases to 8590N.
The rear adjuster screw allows you to shorten the 60mm nominal stroke by up to 10mm, creating a 50-60mm usable travel window. It functions as a mechanical stop for end-position tuning and is not a locking device.
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