Airtac SAIJ125 Adjustable Cylinder SAIJ125X60-30S
The AirTAC Airtac SAIJ125 Adjustable Cylinder SAIJ125X60-30S 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 SAIJ125X60-30S
The AirTAC SAIJ125X60-30-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 30 to 60 mm, letting you dial back the 60 mm nominal stroke by up to 30 mm during commissioning. Belonging to the 125 mm bore class, it generates 6136 N of pull force at 0.5 MPa and 8590 N at 0.7 MPa.
This unit includes a standard carbon steel rod and a PT tapered port thread. The -S magnet enables position detection using AirTAC CMSE reed or DMSE electronic sensors fitted into the dual-side barrel grooves. The rear stopper acts purely as a travel end deceleration device, so it will not hold a load without live air pressure.
Airtac SAIJ125 Adjustable Cylinder SAIJ125X60-30S Technical Specifications
| Model | Airtac SAIJ125 Adjustable Cylinder SAIJ125X60-30S |
|---|---|
| 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 SAIJ125X60-30S
| 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 SAIJ125X60-30S Is Used
End-Position Tuning
Dial in the exact retract distance within the 30-60 mm window during commissioning without adding external stops.
Product Changeover
Quickly adjust the travel end to accommodate varying package sizes on a packaging line.
Machine Setup
Fine-tune the stroke limit on heavy machinery to prevent mechanical crashes during initial setup.
Is the Airtac SAIJ125 Adjustable Cylinder SAIJ125X60-30S the Right Cylinder?
Select this 125 mm bore model when a 100 mm bore falls short on thrust, as the smaller class only provides 3681 N of pull at 0.5 MPa. The adjustable stroke is ideal for machine setups requiring variable end stops or product-size changeovers without swapping hardware. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2. For dead-stop load holding without continuous air, consider the SAIL or BSAI series instead.
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 SAIJ125X60-30S FAQ
At 0.5 MPa it provides 6136 N of pull force and 5734 N of push force. At 0.7 MPa, the push force increases to 8590 N.
The rear adjuster allows you to shorten the 60 mm nominal stroke by up to 30 mm, giving an effective travel window of 30 to 60 mm. It acts as a stop, not a lock.
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Standard models usually ship in 3-4 days.
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