Airtac SAIJ160 Adjustable Cylinder SAIJ160BX800-20S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX800-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 800mm 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
- Stroke800 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX800-20S
The AirTAC SAIJ160X800-20-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers 10053N of push force at 0.5MPa and features a generous 800mm nominal stroke that can be fine-tuned down by 20mm, yielding a precise 780-800mm usable travel window. Built with a SUS304 stainless steel rod (code B) and PT tapered ports, it handles heavy loads reliably.
This adjustable-stroke design allows you to dial in the retract end-position during commissioning without swapping the cylinder or adding external stops. The extruded aluminum barrel includes sensor grooves on both sides for direct mounting of CMSE reed and DMSE electronic switches. Remember that the rear adjuster acts purely as a travel stop and does not hold the load without live air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX800-20S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX800-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 800 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 SAIJ160BX800-20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×800 | 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 SAIJ160BX800-20S Is Used
Large Part Machining Setup
Fine-tune the 780-800mm retract position during machine commissioning to perfectly seat heavy castings without machining custom stopper blocks.
Product Size Changeover
Quickly adjust the end-of-stroke position by up to 20mm to accommodate different product lengths on an automated packaging conveyor.
Heavy Material Handling
Leverage 10053N of thrust at 0.5MPa to push heavy pallets or materials, using the rear stopper to dial in the exact drop-off point.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX800-20S the Right Cylinder?
Choose this 160mm bore when an 80mm bore provides insufficient thrust (2513N push at 0.5MPa) or step down if a 125mm bore (6136N push at 0.5MPa) meets your requirements. The adjustable 780-800mm window is ideal for product changeovers on long-stroke lines, providing variable end-stops without the need for custom fixed-stroke SAI cylinders. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Because this cylinder features an 800mm stroke, the 40mm diameter rod and M36x2 thread provide substantial support, but an external guide is strongly recommended to prevent excessive side-loading on long unsupported travels. For applications requiring true load-holding without live air, a plain SAIJ is insufficient; consider an AirTAC SAIL pneumatic lock, BSAI clamp-lock, or an external rod lock.
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 SAIJ160BX800-20S FAQ
At 0.5MPa operating pressure, this 160mm bore cylinder provides 10053N of push force and 9425N of pull force. At the maximum 1.0MPa pressure, it achieves up to 2050kgf.
The rear adjuster screw allows you to shorten the effective stroke by up to 20mm, creating a 780-800mm travel window. It functions as a mechanical stop to fine-tune the end position and does not lock the load without continuous air pressure.
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