Airtac SAIJ80 Adjustable Cylinder SAIJ80X145-10S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X145-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 145mm 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
- Stroke145 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X145-10S
The AirTAC SAIJ80X145-10-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a 135-145mm usable travel window, allowing you to dial back the nominal 145mm stroke by up to 10mm during commissioning. Delivering 2513N of push force at 0.5 MPa, it handles demanding tasks while maintaining a standard ISO 15552 mounting footprint.
This variant includes a magnet for position sensing with AirTAC CMSE reed and DMSE electronic switches. The extruded aluminum barrel features sensor grooves on both sides for flexible mounting. The carbon steel piston rod has an M20x1.5 thread, and the PT tapered ports ensure a tight pneumatic connection without relying on the full FB, CA, CB, or CR mounting kits.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X145-10S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X145-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 145 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 SAIJ80X145-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×145 | 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 SAIJ80X145-10S Is Used
End-Position Tuning
Dial in the exact retract distance within the 135-145mm window during machine commissioning to achieve perfect material positioning.
Product Changeover
Quickly adjust the stroke by up to 10mm on the rear stopper when switching the production line to a different product size.
Clamp Force Setup
Leverage the 2513N push force and fine-tune the travel limit to prevent over-travel when clamping delicate or variable-height components.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X145-10S the Right Cylinder?
Choose this 80mm bore when you need 2513N push force at 0.5 MPa, stepping up from a 63mm bore (1559N) for heavier loads, or stepping down from a 100mm bore (3927N) to save space. The 10mm rear adjuster is ideal for fine-tuning the retract end position without adding external stops. For variable end-position setups, this adjustable SAIJ offers more flexibility than a fixed-stroke SAI cylinder.
Since the total stroke is 145mm, side-loading is minimal, but always guide the load to prevent rod binding. Remember that the rear adjuster acts only as a travel stop and the air cushion only decelerates the piston; neither holds the load without live air. For dead-load holding, use a SAIL locking cylinder or an external pilot-operated check valve. Operating speed ranges from 30-800mm/s.
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 SAIJ80X145-10S FAQ
At 0.5 MPa operating pressure, this 80mm bore cylinder provides 2513N of push force and 2268N of pull force. The maximum push force reaches 4523N at 0.9 MPa.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the effective stroke from the nominal 145mm down to 135mm. It is a travel stop, not a lock, and requires live air to hold the load.
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