Airtac SAIJ80 Adjustable Cylinder SAIJ80AX750-10S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX750-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 750mm 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
- Stroke750 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX750-10S
The AirTAC SAIJ80X750-10-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the effective travel window down to 740-750 mm from the 750 mm nominal stroke. It delivers robust thrust, generating 2513 N of pull force at 0.5 MPa and 3518 N at 0.7 MPa. The piston rod is constructed from SUS420J2 stainless steel (code A), offering enhanced corrosion resistance compared to standard carbon steel.
This SKU includes a magnetic piston (-S) for direct compatibility with AirTAC CMSE reed and DMSE solid-state sensors, which mount neatly into the dual-side sensor grooves of the extruded aluminum barrel. The rear stopper mechanism lets you dial in exact end positions during commissioning without adding external physical stops. Remember that this adjuster acts only as a travel stop and does not hold the load without live air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX750-10S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX750-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 750 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 SAIJ80AX750-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×750 | 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 SAIJ80AX750-10S Is Used
Machine Changeover
Dial in the 740-750 mm travel window during product size transitions without swapping the cylinder or bolting on external physical stops.
Commissioning Tuning
Use the rear adjuster to perfectly time the end-of-stroke position during initial machine setup, compensating for mechanical tolerance stack-ups.
Long-Stroke Indexing
Move heavy pallets or fixtures with 2513 N of pull force at 0.5 MPa, using the magnetic piston to trigger DMSE sensors for position confirmation.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX750-10S the Right Cylinder?
Selecting this 80 mm bore over a 63 mm variant steps the 0.5 MPa pull force up from 1402 N to 2513 N, providing the necessary muscle for heavier moving assemblies. The 10 mm adjustment range is ideal for precision machine setups where you need a variable end-stop to perfect a 740-750 mm movement envelope without machining custom spacers. If your process requires true fail-safe load holding without continuous air pressure, consider the SAIL or BSAI series instead, as the SAIJ rear adjuster is strictly a stop, not a lock.
To replace an ISO 15552 cylinder, match the 80 mm bore, 750 mm stroke, PT tapered port thread, and the -S magnet requirement. The SAIJ supports a reduced mounting set including Basic, FA, LB, TC, FTC, TCM1, and TCM2. Because the 750 mm stroke is long, the 25 mm rod and M20x1.5 thread will still experience deflection; always use an external guide rail to prevent side-load damage to the barrel seals.
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 SAIJ80AX750-10S FAQ
At 0.5 MPa operating pressure, this 80 mm bore cylinder provides 2513 N of pull force and 2513 N of push force. At 0.7 MPa, the push force increases to 3518 N.
The rear adjuster screw allows you to shorten the effective travel from the 750 mm nominal stroke down to 740 mm. This creates a 10 mm usable travel window for fine-tuning the retract end position at commissioning.
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