Airtac SAIJ125 Adjustable Cylinder SAIJ125X600-10S
The AirTAC Airtac SAIJ125 Adjustable Cylinder SAIJ125X600-10S 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 SAIJ125X600-10S
The AirTAC SAIJ125X600-10-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering 6136 N push force at 0.5 MPa. The integrated -S magnet enables position feedback using CMSE reed or DMSE electronic sensors. With a 600 mm nominal stroke and a 10 mm adjustment range, you can dial in the retract end-position to achieve a precise 590-600 mm travel window during commissioning.
This bore features a 32 mm carbon steel rod and M27x2 thread, built to handle heavy loads. The extruded aluminum barrel includes sensor grooves on both sides. The rear adjuster acts purely as a mechanical stop for end-position tuning and does not lock the load without live air pressure; for load-holding requirements, consider the SAIL or BSAI series.
Airtac SAIJ125 Adjustable Cylinder SAIJ125X600-10S Technical Specifications
| Model | Airtac SAIJ125 Adjustable Cylinder SAIJ125X600-10S |
|---|---|
| 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 SAIJ125X600-10S
| 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 SAIJ125X600-10S Is Used
Heavy Press Tuning
Fine-tune the 590-600 mm end-stop on a heavy press during initial commissioning to achieve exact contact without adding external mechanical stops.
Product Changeover
Quickly adjust the retract position by up to 10 mm on automated lines when switching between slightly different product sizes.
Material Handling
Leverage the 6136 N push force at 0.5 MPa to move heavy pallets, using the rear screw to dial in the exact resting position.
Is the Airtac SAIJ125 Adjustable Cylinder SAIJ125X600-10S the Right Cylinder?
Choose this 125 mm bore when 80 mm falls short (providing only 2513 N push at 0.5 MPa) but you want to avoid stepping up to 160 mm. The adjustable stroke is ideal for machine setups requiring variable end-stops without swapping cylinders. For a direct ISO 15552 replacement, match the 125 mm bore, 600 mm stroke, 10 mm adjust, PT tapered port, and -S magnet.
Because this cylinder features a 600 mm stroke, the extended rod is susceptible to side-loading; an external guide is recommended to prevent premature seal wear. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2. The operating speed is 30-500 mm/s, supported by 40 mm air cushions at both ends.
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 SAIJ125X600-10S FAQ
At 0.5 MPa operating pressure, this 125 mm bore cylinder provides 6136 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 allows you to shorten the effective stroke by up to 10 mm, creating a usable travel window of 590-600 mm. This stopper only sets the end position and does not hold the load without air pressure.
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