Airtac SAIJ125 Adjustable Cylinder SAIJ125X160-10
The AirTAC Airtac SAIJ125 Adjustable Cylinder SAIJ125X160-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø125mm bore and 160mm 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
- Stroke160 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 40 mm
About the Airtac SAIJ125 Adjustable Cylinder SAIJ125X160-10
The AirTAC SAIJ125X160-10 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 150 to 160 mm, allowing you to dial back the end position by up to 10 mm during machine setup. In the 125 mm bore class, it generates 6136 N of push thrust and 5734 N of pull thrust at 0.5 MPa operating pressure.
This extruded aluminum profile barrel includes sensor grooves on both sides for flexible mounting of CMSE reed or DMSE electronic switches. The carbon steel piston rod features an M27x2 thread and a 40 mm cushion length to manage heavy kinetic energy. It supports a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR brackets.
Airtac SAIJ125 Adjustable Cylinder SAIJ125X160-10 Technical Specifications
| Model | Airtac SAIJ125 Adjustable Cylinder SAIJ125X160-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø125 mm |
| Stroke | 160 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 SAIJ125X160-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×160 | 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 SAIJ125X160-10 Is Used
Press Stroke Tuning
Fine-tune the exact bottoming position of a heavy press within a 150-160 mm window to accommodate material thickness variations without external shims.
Product Changeover Stops
Adjust the retract distance by up to 10 mm on a packaging line to handle different carton lengths quickly during product changeover.
Heavy Load Positioning
Move heavy fixtures using 6136 N of push force while trimming the end-stop precisely to clear machine guards during setup.
Is the Airtac SAIJ125 Adjustable Cylinder SAIJ125X160-10 the Right Cylinder?
Choose this 125 mm bore when your application requires substantial force, as stepping down to an 80 mm bore drops the 0.5 MPa push force to 2513 N. The 10 mm rear adjuster is ideal for fine-tuning the retract end position at commissioning without swapping cylinders or adding external stops. Remember that the rear adjuster acts as a travel stop, not a lock; it will not hold the load without live air. For positive load-holding without pneumatic pressure, consider an AirTAC SAIL or BSAI cylinder instead. To match this ISO 15552 footprint, specify the 125 mm bore, 160 mm stroke, PT tapered port, and your required mounting bracket.
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 SAIJ125X160-10 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 1251 kgf at 1.0 MPa.
A rear adjusting screw acts as a mechanical stop that shortens the effective stroke by up to 10 mm. This creates a 150-160 mm usable travel window for precise end-position tuning at commissioning, without acting as a load lock.
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