Airtac SAIJ80 Adjustable Cylinder SAIJ80X325-10
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X325-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 325mm 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
- Stroke325 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X325-10
The AirTAC SAIJ80X325-10 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a 325mm nominal stroke that can be fine-tuned back by up to 10mm, yielding a precise 315-325mm usable travel window. In the 80mm bore class, it delivers a push force of 2513N and pull force of 2268N at 0.5MPa, making it well-suited for medium-to-heavy actuation tasks.
This adjustable-stroke design allows you to dial in the retract end-position at commissioning without swapping the cylinder or adding external stops. The 25mm carbon steel rod and M20x1.5 thread provide robust resistance to side loads, though at 325mm of travel, an external guide is still recommended for unsupported loads. The extruded aluminum barrel includes sensor grooves on both sides, ready for CMSE reed or DMSE electronic switches if needed later.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X325-10 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X325-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 325 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 SAIJ80X325-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×325 | 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 SAIJ80X325-10 Is Used
End-Stop Calibration
Dial in the exact 315-325mm retract position during machine commissioning to perfect a delicate pressing operation without machining new spacers.
Product Changeover
Quickly adapt the cylinder's effective stroke on the line when introducing a slightly shorter product variant, minimizing downtime.
Variable Feeding
Adjust the travel end-stop to fine-tune the push distance of parts onto a conveyor, ensuring precise spacing without external stops.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X325-10 the Right Cylinder?
Choose this 80mm bore when 50mm (982N push at 0.5MPa) is too weak but 100mm (3927N push) is oversized. The SAIJ80X325-10 is selected when a fixed-stroke SAI cylinder cannot guarantee the exact end-stop required for a delicate pressing or feeding operation. The 10mm rear adjustment screw lets you trim the stroke by up to 10mm during machine setup or product changeover.
For a true ISO 15552 replacement match, verify the 325mm stroke, 10mm adjustment range, G3/8 PT port, and the required mounting set (Basic, FA, LB, TC, FTC, TCM1, or TCM2). Note that the rear adjuster acts only as a travel stop and deceleration device; it does not hold the load without live air. For dead-air load holding, 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 SAIJ80X325-10 FAQ
At 0.5MPa, this 80mm bore cylinder provides a push force of 2513N and a pull force of 2268N. At 0.7MPa, the push force increases to 3518N.
The rear adjuster screw acts as a mechanical stop that can shorten the 325mm nominal stroke by up to 10mm, giving a usable travel window of 315-325mm. It sets the end position but does not lock the load without live air pressure.
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