Airtac SAIJ80 Adjustable Cylinder SAIJ80BX80-30S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80BX80-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 80mm 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
- Stroke80 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX80-30S
The AirTAC SAIJ80X80-30-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, providing a usable travel window of 50 to 80 mm. It delivers a robust 2513 N push force at 0.5 MPa, making it ideal for medium-to-heavy actuation tasks that demand precise end-position tuning.
This variant features a SUS304 stainless steel rod for superior corrosion resistance and includes a magnet for CMSE reed and DMSE electronic sensors. Fluid control utilizes PT tapered ports sized at G3/8, while the extruded aluminum barrel maintains standard ISO 15552 mounting dimensions without relying on tie-rod construction.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX80-30S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX80-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 80 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 SAIJ80BX80-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×80 | 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 SAIJ80BX80-30S Is Used
Precision Position Tuning
Dial in the exact retract distance between 50 and 80 mm during machine commissioning to accommodate varying material thicknesses without adding external stops.
Rapid Product Changeover
Quickly adjust the end-of-stroke position on packaging lines when switching between different package sizes, minimizing downtime and mechanical rework.
Corrosive Environment Actuation
Leverage the SUS304 stainless steel rod and 2513 N output force to reliably drive clamping mechanisms in washdown or mildly corrosive industrial settings.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX80-30S the Right Cylinder?
Select this 80 mm bore cylinder when an application requires exact end-stop calibration without swapping components during product changeovers. If your setup requires less force, stepping down to a 63 mm bore yields 1559 N of push force at 0.5 MPa; stepping up to a 100 mm bore provides 3927 N. Because this is an 80 mm stroke, the 30 mm adjustment window is exceptionally broad, allowing significant mechanical retraction.
To match this exact configuration for an ISO 15552 replacement, specify an 80 mm bore, 80 mm stroke, 30 mm adjustment range, PT tapered ports, a SUS304 rod, and the -S magnet option. Remember that the rear adjuster acts only as a travel stop and does not hold the load without live air; for true load-holding, consider an external rod lock or the AirTAC SAIL series. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR.
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 SAIJ80BX80-30S 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 achieves a peak push force of 513 kgf.
The rear adjusting screw acts as a mechanical stop that shortens the nominal 80 mm stroke by up to 30 mm, creating a usable travel window of 50 to 80 mm. It decelerates the travel end but does not lock the load without continuous air pressure.
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