Airtac SAIJ80 Adjustable Cylinder SAIJ80BX950-10
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80BX950-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 950mm 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
- Stroke950 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX950-10
The AirTAC SAIJ80X950-10 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the end-of-travel position. It provides a usable 940-950 mm travel window, enabling precise commissioning without adding external stops. The 80 mm bore delivers 2513 N of push force at 0.5 MPa, making it suitable for heavy-duty positioning tasks.
This variant includes a SUS304 stainless steel rod for superior corrosion resistance and uses PT tapered port threads. The extruded aluminum barrel integrates sensor grooves on both sides. Because the 950 mm stroke is long, the 25 mm rod diameter and M20x1.5 thread provide robust support, though an external guide is recommended for unsupported loads to manage side-loading.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX950-10 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX950-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 950 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 SAIJ80BX950-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×950 | 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 SAIJ80BX950-10 Is Used
Fixture Positioning
Dial in the exact clamping end-position within the 940-950 mm window during machine commissioning to avoid remachining hard stops.
Product Changeover
Quickly adjust the retract stop by up to 10 mm on a packaging line to handle slightly different carton lengths without swapping cylinders.
Long-Stroke Ejection
Utilize the full 950 mm travel to eject heavy parts from a press, relying on the 2513 N push force at 0.5 MPa to clear the workspace.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX950-10 the Right Cylinder?
Choose this 80 mm bore when a 50 mm bore (982 N push at 0.5 MPa) is insufficient, but a 100 mm bore (3927 N) would be excessive. The 10 mm adjustment range is selected over a fixed-stroke SAI cylinder when a machine requires variable end-stops to accommodate minor product size changes or inexact fixture positioning during setup.
For dimensionally interchangeable ISO 15552 replacements, match the 80 mm bore, 950 mm stroke, PT G3/8 port, and Basic/FA/LB/TC/FTC/TCM1/TCM2 mounting. Note that the rear adjuster acts strictly as a travel stop and does not hold the load without live air pressure; for fail-safe load holding, consider the SAIL or BSAI series instead. Given the 950 mm stroke, always use an external guide to prevent rod bending.
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 SAIJ80BX950-10 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.
A rear adjuster screw allows you to shorten the effective travel from 950 mm down to 940 mm. This stopper mechanically limits the retract stroke for fine-tuning at commissioning, but it is not a lock and requires live air to hold the load.
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