Airtac SAIJ160 Adjustable Cylinder SAIJ160AX80-50S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160AX80-50S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 80mm 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
- Stroke80 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX80-50S
The AirTAC SAIJ160X80-50-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the effective travel down to a 30-80 mm window without swapping hardware. Delivering 10053 N of push force at 0.5 MPa, it is built with a SUS420J2 stainless steel rod and includes a magnet for solid-state DMSE and reed CMSE position sensing.
This adjustable design is ideal for product-size changeovers, letting you dial in the exact end-stop at commissioning rather than machining external stops. The rear adjuster acts purely as a travel stop to tune deceleration; it does not hold the load without live air pressure. For load-holding requirements without continuous air, consider an external rod lock or the related BSAI clamp-lock series.
Airtac SAIJ160 Adjustable Cylinder SAIJ160AX80-50S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160AX80-50S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 80 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 SAIJ160AX80-50S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×80 | 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 SAIJ160AX80-50S Is Used
Variable End-Stop Setup
Dial in the exact 30 to 80 mm travel window during machine commissioning to accommodate new product dimensions without replacing the cylinder.
Heavy Assembly Pressing
Leverage the 10053 N push force at 0.5 MPa for heavy-duty pressing and joining tasks, using the rear stop to prevent over-travel.
Modular Conveyor Positioning
Adjust the stroke on the fly during product changeovers on a conveyor line, ensuring precise stops for varying package sizes.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX80-50S the Right Cylinder?
Choose this 160 mm bore when your application requires heavy thrust—stepping down to a 125 mm bore drops the 0.5 MPa push force to 6136 N, whereas stepping up to a 200 mm bore yields 15708 N. The adjustable 50 mm window on this 80 mm nominal stroke provides immense setup flexibility for varying product sizes on a single line. The robust 40 mm rod and M36x2 thread handle significant side loads, though any long-stroke configuration exceeding 300 mm would still necessitate an external guide.
As a dimensionally interchangeable ISO 15552 cylinder, it replaces standard profile units using a PT tapered port and a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2). It omits FB, CA, CB, and CR mounts. If you do not require variable end-stops or fine-tuning at commissioning, a fixed-stroke SAI cylinder offers a simpler setup.
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 SAIJ160AX80-50S FAQ
At 0.5 MPa operating pressure, this 160 mm bore cylinder provides 10053 N of push force and 9425 N of pull force. At the maximum 1.0 MPa pressure, it delivers up to 2050 kgf.
The rear adjuster screw lets you shorten the nominal 80 mm stroke by up to 50 mm, creating a usable travel window of 30 to 80 mm. This stopper only sets the travel end and does not lock the load without live air pressure.
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