Airtac SAIJ80 Adjustable Cylinder SAIJ80AX85-10
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX85-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 85mm 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
- Stroke85 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX85-10
The AirTAC SAIJ80X85-10 is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers a robust 2513N of push force at 0.5 MPa, making it well-suited for moderate-to-heavy actuation tasks. By incorporating an external adjusting screw, this model provides a usable travel window of 75 to 85 mm, allowing you to dial in the exact retract position without swapping out the entire unit.
This specific configuration features an SUS420J2 stainless steel rod (material code A) for enhanced resistance to corrosion and surface wear. It utilizes PT tapered port threads (G3/8) and operates without a magnet. The extruded aluminum barrel includes sensor grooves on both sides, and the cylinder supports a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX85-10 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX85-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 85 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 SAIJ80AX85-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×85 | 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 SAIJ80AX85-10 Is Used
Machine Setup Calibration
Dial in the precise 75 to 85mm retract end-stop during initial machine commissioning to perfect part seating without needing custom spacers.
Product Changeover
Quickly adjust the rear stopper by up to 10mm to accommodate slight variations in product sizes on a packaging line.
Heavy Material Handling
Leverage the 2513N push force at 0.5 MPa to reliably push heavier workpieces or pallets into a machining station.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX85-10 the Right Cylinder?
Selecting this 80mm bore over a smaller 63mm variant steps your thrust up significantly from 1559N to 2513N at 0.5 MPa, which is ideal when moving heavier fixtures. The 10mm adjustment range is perfect for applications requiring fine-tuning during commissioning or minor product changeovers, offering flexibility that a fixed-stroke SAI cylinder cannot provide. Remember that the rear screw acts purely as a travel stop; it does not hold the load pneumatically. If your application requires true load-holding without live air pressure, consider an external rod lock or the AirTAC SAIL locking cylinder.
To match this exact ISO 15552 footprint for a replacement, verify the 80mm bore, 85mm stroke, 10mm adjustment range, PT G3/8 port, and the absence of a magnet. Because the 85mm stroke is relatively short, side-loading risks are minimal, but you should still ensure the load is properly guided to prevent binding.
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 SAIJ80AX85-10 FAQ
At an operating pressure of 0.5 MPa, this 80mm bore cylinder provides 2513N of push force and 2268N of pull force. At 0.7 MPa, the push force increases to 3518N.
The rear adjusting screw acts as a mechanical stopper that lets you shorten the effective stroke from the nominal 85mm down to 75mm. It allows for fine end-position tuning at commissioning, but it is not a lock and cannot hold the load without continuous air pressure.
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