Airtac SAIJ160 Adjustable Cylinder SAIJ160AX950-40
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160AX950-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 950mm 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
- Stroke950 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX950-40
The AirTAC SAIJ160X950-40 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the 950 mm nominal travel to a precise 910-950 mm window during commissioning. Delivering 14074 N of push force at 0.7 MPa, this extruded aluminum barrel design integrates sensor grooves on both sides and operates at 30-500 mm/s.
This specific configuration features a SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance compared to standard carbon steel. It utilizes PT tapered port threads (G3/4) and includes variable air cushions at both ends to manage the kinetic energy of heavy loads, though the adjuster functions strictly as a travel stop rather than a load-holding lock.
Airtac SAIJ160 Adjustable Cylinder SAIJ160AX950-40 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160AX950-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 950 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 SAIJ160AX950-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×950 | 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 SAIJ160AX950-40 Is Used
Heavy Press Tuning
Dial in the exact 910-950 mm end-stop during setup to accommodate different material thicknesses in large-scale pressing operations without swapping cylinders.
Product Changeover
Quickly adjust the retract distance on a conveyor sorting arm to handle varying package sizes on the production line via the rear stopper screw.
Large Assembly Jigs
Leverage the 14074 N push force to move heavy structural components while fine-tuning the final seating position during multi-stage assembly.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX950-40 the Right Cylinder?
Selecting this 160 mm bore cylinder makes sense when your application requires the massive thrust of a larger chamber but still demands exact end-position tuning without machining external stopper blocks. If your force requirements are lower, stepping down to a 125 mm bore yields 8590 N of push force at 0.5 MPa, but the 160 mm bore is necessary for heavy pressing or lifting. Because the stroke is 950 mm, the 40 mm diameter rod must be adequately supported by an external guide to prevent excessive side-loading and premature seal wear.
Choose this adjustable-stroke variant over a fixed SAI model when you anticipate product changeovers or need to fine-tune the retract distance on the fly. To match this cylinder for an ISO 15552 replacement, verify the 950 mm stroke, 40 mm adjustment range, PT G3/4 port, and the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2). Note that a plain SAIJ does not hold position without live air; for load-holding on vertical lifts, consider an external rod lock or the AirTAC SAIL series.
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 SAIJ160AX950-40 FAQ
At an operating pressure of 0.7 MPa, this 160 mm bore cylinder generates a push force of 14074 N and a pull force of 9425 N. At the maximum pressure of 1.0 MPa, the push force reaches 18095 N.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the effective travel from the 950 mm nominal stroke down to 910 mm. This provides a 40 mm tuning window for exact end-positioning without needing external stops.
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