Airtac SAIJ80 Adjustable Cylinder SAIJ80X230-50S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X230-50S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 230mm stroke, G3/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ80 mm
- Stroke230 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X230-50S
The AirTAC SAIJ80X230-50-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, providing a usable travel window of 180 to 230 mm. Delivering 2513 N of pull force at 0.5 MPa, it features a 25 mm carbon steel piston rod and a PT G3/8 port. The integrated -S magnet enables position sensing with AirTAC CMSE reed and DMSE solid-state switches housed in the dual-side barrel grooves.
This adjustable model lets you fine-tune the retract end position at commissioning without adding external stops or swapping the barrel. The rear adjuster functions purely as a travel stop and works alongside the 36 mm variable air cushions to decelerate the load, but it does not hold the load without live air pressure. For load-holding requirements, consider the SAIL or BSAI series.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X230-50S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X230-50S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 230 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| Rod thread | M20×1.5 |
| 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 – 800 mm/s |
| Cushion | Adjustable, 36 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 (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ80 Adjustable Cylinder SAIJ80X230-50S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×230 | 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 SAIJ80 Adjustable Cylinder SAIJ80X230-50S Is Used
Stroke Commissioning
Dial in the exact 180-230 mm retract end-stop during machine setup without swapping cylinders or adding external spacers.
Product Changeover
Quickly adapt the retract position on packaging lines when handling different carton sizes or product widths.
Variable End Positioning
Fine-tune the final approach distance on machining fixtures where a fixed-stroke actuator would require manual shimming.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X230-50S the Right Cylinder?
Choose this 80 mm bore if your application requires higher thrust than the 63 mm bore (which provides 1402 N pull at 0.5 MPa) but does not need the 3681 N pull force of the 100 mm variant. The 50 mm adjustment range is particularly useful for product-size changeovers on a line, allowing you to dial in the exact retract position on the fly rather than machining custom spacers or relying on a fixed-stroke SAI cylinder. Mounting options include the reduced SAIJ set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. Because the 230 mm stroke is under 300 mm, side-load concerns are minimal, though long unsupported loads should still use an external guide.
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 SAIJ80 Adjustable Cylinder SAIJ80X230-50S FAQ
At 0.5 MPa it provides 2513 N of push force and 2268 N of pull force. At the maximum operating pressure of 1.0 MPa, the push force reaches 513 kgf.
The rear adjuster allows you to shorten the effective travel from the 230 mm nominal stroke by up to 50 mm, creating a usable 180-230 mm window. It acts as a mechanical stop and does not lock the load without air pressure.
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