Airtac SAIJ160 Adjustable Cylinder SAIJ160AX55-40
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160AX55-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 55mm stroke, G3/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ160 mm
- Stroke55 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX55-40
The AirTAC SAIJ160X55-40 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the travel end at commissioning. With a nominal 55 mm stroke and a 40 mm adjustment range, it provides a highly flexible 15-55 mm usable travel window. This bore size delivers substantial thrust, offering 9425 N of pull force at 0.5 MPa, making it well-suited for heavy-duty positioning tasks.
This variant incorporates a SUS420J2 stainless steel rod (code A) for enhanced corrosion resistance and uses PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides for direct switch mounting. The rear adjuster acts purely as a mechanical stop to set the retract position and does not hold the load without live air pressure; for dead-air load holding, consider the SAIL or BSAI series.
Airtac SAIJ160 Adjustable Cylinder SAIJ160AX55-40 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160AX55-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 55 mm |
| Acting type | Double acting |
| Port size | G3/4 |
| Rod thread | M36×2 |
| 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, 50 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 (Ø160mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 10053 N | 9425 N |
| 0.7 MPa | 14074 N | — |
| Max (@1.0 MPa) | 2050 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ160 Adjustable Cylinder SAIJ160AX55-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×55 | 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 SAIJ160 Adjustable Cylinder SAIJ160AX55-40 Is Used
Heavy Press Fit Tuning
Dial in the exact 15-55 mm travel window during heavy press operations to accommodate material thickness variations without swapping cylinders.
Machine Changeover Stops
Rapidly reconfigure the retract end-position on automated lines when switching between different product sizes or profiles.
Robotic End Effectors
Provide adjustable mechanical stops for large robotic grippers, ensuring precise end-of-stroke positioning under high force loads.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX55-40 the Right Cylinder?
Selecting this 160 mm bore model makes sense when your application requires the 9425 N pull force at 0.5 MPa and exact end-position tuning without adding external stops. If your setup needs less force, stepping down to a 125 mm bore yields 5734 N of pull at 0.5 MPa. Conversely, if you require higher dynamics, the 160 mm bore operates at 30-500 mm/s. Because the nominal stroke is short, side-loading is less of a concern, but always guide the load on longer strokes.
An adjustable stroke is chosen over a fixed SAI cylinder when you need variable end-stops for machine changeovers. To replace an ISO 15552 cylinder, match the 160 mm bore, 55 mm stroke, 40 mm adjustment, PT G3/4 ports, and the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2). This specific configuration omits the -S magnet, so it does not support CMSE or DMSE sensors.
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 SAIJ160 Adjustable Cylinder SAIJ160AX55-40 FAQ
At an operating pressure of 0.5 MPa, the 160 mm bore provides 10053 N of push force and 9425 N of pull force. The maximum thrust is 2050 kgf at 1.0 MPa.
The rear adjuster screw allows you to shorten the effective travel by up to 40 mm from the 55 mm nominal stroke. This creates a usable travel window of 15-55 mm, letting you set the exact retract end-position at commissioning.
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