Airtac SAIJ80 Adjustable Cylinder SAIJ80AX275-10S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX275-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 275mm 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
- Stroke275 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX275-10S
The AirTAC SAIJ80X275-10-S is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 265-275 mm, allowing you to dial back the 275 mm nominal stroke by up to 10 mm during commissioning. This bore size delivers 2513 N of push force and 2268 N of pull force at a 0.5 MPa operating pressure.
Equipped with a -S magnet, this unit interfaces seamlessly with CMSE reed and DMSE electronic sensors housed in the dual-side extruded aluminum barrel grooves. The piston rod is constructed from SUS420J2 stainless steel (option A) for improved corrosion resistance, and the PT tapered port threads ensure a robust, leak-free pneumatic connection.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX275-10S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX275-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 275 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 SAIJ80AX275-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×275 | 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 SAIJ80AX275-10S Is Used
Machine Changeover
Fine-tune the 265-275 mm travel window during product size changes on a packaging line without swapping out the entire cylinder assembly.
End-Stop Tuning
Dial in the exact retract position during initial commissioning to perfect the pickup or placement of heavy components.
Assembly Line Calibration
Adjust the rear stopper on the fly to compensate for mechanical wear or slight tooling misalignments without halting production.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX275-10S the Right Cylinder?
Choose this adjustable-stroke model over a fixed SAI cylinder when your application requires precise end-position tuning at setup or during product changeovers without adding external stops. If your process needs less force, the 63 mm bore offers 1559 N push at 0.5 MPa; if you need significantly more power, stepping up to the 100 mm bore yields 3927 N. Because the 275 mm stroke exceeds 300 mm when combined with the overall cylinder length, ensure you use an external guide to prevent excessive side loading on the SUS420J2 rod.
The rear adjuster acts solely as a travel stop to decelerate the load alongside the air cushions; it does not hold the load without live air pressure. For applications requiring true fail-safe load holding, consider the SAIL (air-released lock) or BSAI (clamp-lock) variants. This cylinder is dimensionally interchangeable per ISO 15552 and supports a mounting set comprising Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ80AX275-10S FAQ
At 0.5 MPa operating pressure, this 80 mm bore cylinder generates 2513 N of push force and 2268 N of pull force. At the maximum 1.0 MPa pressure, it can deliver up to 513 kgf.
The rear adjusting screw lets you shorten the effective travel by up to 10 mm, creating a usable stroke window of 265-275 mm. This stopper only sets the end position; it is not a lock and will not hold the load without live air pressure.
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