Airtac SAIJ80 Adjustable Cylinder SAIJ80X35-10
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X35-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 35mm 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
- Stroke35 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X35-10
The AirTAC SAIJ80X35-10 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the 35 mm nominal travel by up to 10 mm. This creates a usable 25-35 mm stroke window, perfect for fine-tuning end positions at commissioning without swapping out the unit. It delivers a robust 2513 N push force at 0.5 MPa, making it ideal for moderate to heavy actuation tasks.
The barrel is machined from extruded aluminum and features sensor grooves on both sides for flexible mounting of CMSE or DMSE switches. It uses a PT tapered port and a 25 mm carbon steel rod with an M20x1.5 thread. Remember that the rear adjuster acts only as a travel stop and does not hold the load without live air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X35-10 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X35-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 35 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 SAIJ80X35-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×35 | 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 SAIJ80X35-10 Is Used
Machine Setup & Changeover
Fine-tune the 25-35 mm travel window during machine commissioning to perfectly strike targets without adding external stoppers.
Product Size Transitions
Quickly adapt the retract end-position on packaging lines when handling slightly different product lengths.
Variable End-Stop Actuation
Use the 10 mm rear adjustment screw to set precise retract limits for clamping or pressing tasks requiring exact tuning.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X35-10 the Right Cylinder?
Choose this 80 mm bore when you need significantly more thrust than a 63 mm unit provides, stepping up from 1559 N to 2513 N at 0.5 MPa. The adjustable stroke is highly beneficial for machine setups requiring variable end-stops or product changeover, giving you flexibility that a fixed-stroke SAI cylinder cannot. To match this ISO 15552 interchangeable cylinder, verify your requirements: 80 mm bore, 35 mm stroke, 10 mm adjustment, PT port, and standard carbon steel rod without a magnet.
Because the stroke is short, side-loading is less of a concern here, but always guide external loads properly. For applications needing true position holding without continuous air, consider the SAIL or BSAI locking variants, as the SAIJ adjuster is not a brake.
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 SAIJ80X35-10 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 0.7 MPa, the push force increases to 3518 N.
The rear adjuster screw allows you to shorten the 35 mm nominal stroke by up to 10 mm, providing a usable travel window of 25 to 35 mm. It functions as a mechanical stop for end-position tuning, not a load-holding lock.
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