Airtac SAIJ80 Adjustable Cylinder SAIJ80X30-10
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X30-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 30mm 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
- Stroke30 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X30-10
The AirTAC SAIJ80X30-10 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 20 to 30 mm, allowing you to dial back the 30 mm nominal stroke by up to 10 mm during machine commissioning. In the 80 mm bore class, it delivers a robust 2268 N pull force at 0.5 MPa, making it suitable for heavy positioning tasks.
This model uses a carbon steel piston rod with an M20x1.5 thread, providing high structural rigidity for off-center loads. The extruded aluminum barrel includes sensor grooves on both sides, and air cushions at both ends manage impact deceleration. Note that the rear adjuster is a travel stop, not a locking device; it cannot hold a load without sustained air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X30-10 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X30-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 30 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 SAIJ80X30-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×30 | 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 SAIJ80X30-10 Is Used
Machine Changeover
Dial in the exact 20 to 30 mm travel needed when switching between product sizes on a packaging line, using the rear screw to fine-tune the retract position without external hardware.
Heavy Assembly Press
Leverage the 2268 N pull force to seat heavy components securely, making micro-adjustments to the end-stop to perfect the assembly fit during initial commissioning.
Adjustable End-Stop
Set precise retract limits for clamping mechanisms where a fixed 30 mm stroke is too rigid, using the 10 mm adjustment range to accommodate material thickness variations.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X30-10 the Right Cylinder?
Choose this 80 mm adjustable-stroke cylinder when your application requires precise end-position tuning at setup or during product changeovers, avoiding the need to swap physical cylinders or bolt on external stopper blocks. If your thrust requirements are lower, stepping down to a 63 mm bore yields 1402 N of pull force at 0.5 MPa, whereas a larger 100 mm bore provides 3681 N for heavier payloads. Because the stroke is short, side-loading risks are minimal, but an external guide is always recommended for off-center loads.
When replacing an ISO 15552 cylinder, match the 80 mm bore, 30 mm nominal stroke, 10 mm adjustment range, PT G3/8 port threads, and your required mounting interface. The SAIJ series supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts, omitting the FB, CA, CB, and CR options. For applications requiring position holding without live air pressure, consider the SAIL or BSAI series instead.
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 SAIJ80X30-10 FAQ
Operating at 0.5 MPa, this 80 mm bore cylinder generates 2513 N of push force and 2268 N of pull force. At the maximum operating pressure of 1.0 MPa, it can deliver up to 513 kgf.
The rear adjuster screw acts as a mechanical stop that shortens the effective travel. For this 30 mm nominal stroke cylinder, you can trim the stroke back by up to 10 mm, creating a usable travel window of 20 to 30 mm. The adjuster only sets the end position; it does not lock the load without air pressure.
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