Airtac SAIJ80 Adjustable Cylinder SAIJ80AX95-30S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX95-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 95mm 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
- Stroke95 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX95-30S
The AirTAC SAIJ80X95-30-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 65 to 95 mm, letting you dial back the nominal 95 mm stroke by up to 30 mm during machine commissioning. Delivering 2513 N of push force at 0.5 MPa, it handles demanding positioning tasks. The extruded aluminum barrel includes sensor grooves on both sides, and this -S variant includes a magnet for CMSE reed or DMSE solid-state switches.
This model uses a SUS420J2 stainless steel rod (code A) for corrosion resistance and features PT tapered port threads (G3/8). The rear adjuster acts purely as a travel stop to set deceleration endpoints. It is not a locking device, meaning it will not hold a load without live air pressure. For true load-holding requirements, consider the SAIL or BSAI series instead.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX95-30S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX95-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 95 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 SAIJ80AX95-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×95 | 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 SAIJ80AX95-30S Is Used
Machine Setup Fine-Tuning
Dial in the exact 65 to 95 mm end-position during commissioning without adding external stopper blocks or changing the cylinder.
Product Size Changeovers
Quickly adjust the travel end-stop on packaging lines when processing different package lengths, saving changeover time.
Variable End-Stop Positioning
Set precise retraction limits for actuators handling varying material widths, relying on the 2513 N push force to move heavy jigs.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX95-30S the Right Cylinder?
Choose this 80 mm bore when an application requires substantial thrust—stepping down to a 63 mm bore drops the 0.5 MPa push force to 1559 N. An adjustable stroke is preferred over a fixed SAI cylinder when you need variable end-stops to accommodate product changeovers without swapping hardware. To match this ISO 15552 interchangeable cylinder exactly, specify an 80 mm bore, 95 mm stroke, 30 mm adjustment, PT G3/8 ports, and the -S magnet option. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Because the 25 mm piston rod and M20x1.5 thread provide robust side-load capacity, this cylinder is well-suited for guided setups. However, for any stroke of 300 mm or more, an external guide rail is mandatory to prevent rod binding. The standard speed range is 30-800 mm/s.
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 SAIJ80AX95-30S FAQ
At 0.5 MPa operating pressure, this 80 mm bore cylinder provides 2513 N of push force and 2268 N of pull force. At the maximum 1.0 MPa pressure, it delivers up to 513 kgf.
The rear adjuster screw lets you shorten the nominal 95 mm stroke by up to 30 mm, creating a usable travel window of 65 to 95 mm. The adjuster functions as a mechanical stop to set the end position; it does not lock the load without live air pressure.
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