Airtac SAIJ80 Adjustable Cylinder SAIJ80BX60-40
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80BX60-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 60mm 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
- Stroke60 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX60-40
The AirTAC SAIJ80X60-40 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 a 20-60 mm range without adding external stops. It delivers a robust 2268 N pull force at 0.5 MPa, making it well-suited for medium-to-heavy handling tasks. The extruded aluminum barrel includes sensor grooves on both sides for straightforward position feedback.
This specific SKU is built with a SUS304 stainless steel rod for superior corrosion resistance and uses PT tapered port threads. It is important to note that the rear adjuster acts strictly as a travel stop for end-position tuning, not a lock; the cylinder cannot hold a load without live air pressure. For load-holding requirements, consider the SAIL or BSAI series instead.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX60-40 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX60-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 60 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 SAIJ80BX60-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×60 | 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 SAIJ80BX60-40 Is Used
Machine Changeover
Dial in the 20-60 mm travel window during product size transitions without physically swapping the cylinder or repositioning hard stops.
End-Position Tuning
Use the rear adjuster to compensate for mechanical tolerances and precisely set the retraction endpoint at commissioning.
Corrosive Environments
Leverage the SUS304 stainless steel rod for reliable actuation in packaging or food-processing lines where moisture is present.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX60-40 the Right Cylinder?
Choose this 80 mm bore when your application requires more force than a 63 mm cylinder (which provides 1402 N pull at 0.5 MPa), but you still need the flexibility to dial in the exact end-of-stroke position during machine commissioning or product changeover. The 25 mm rod and M20x1.5 thread provide excellent rigidity, though any stroke exceeding 300 mm on larger variants would require an external guide to prevent excessive side-loading.
When selecting this adjustable model over a fixed-stroke SAI cylinder, you gain the ability to compensate for mechanical tolerances on the fly. To match this exact configuration for an ISO 15552 interchange, specify the 80 mm bore, 60 mm stroke, 40 mm adjustment, PT port, and the SUS304 (B) rod material. The available mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2. Because no magnet is specified, position sensing requires adding a magnet (-S) to use CMSE reed or DMSE electronic sensors.
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 SAIJ80BX60-40 FAQ
At 0.5 MPa, this 80 mm bore cylinder provides 2513 N of push force and 2268 N of pull force. The 40 mm adjustment screw allows you to shorten the 60 mm nominal stroke, creating a usable travel window of 20 to 60 mm.
No. The rear adjuster is only a travel stop for setting the end position, not a locking device. The cylinder requires live air pressure to maintain its position. For true load-holding without air, explore the SAIL or BSAI series.
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