Airtac SAIJ80 Adjustable Cylinder SAIJ80X130-75S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X130-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 130mm 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
- Stroke130 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X130-75S
The AirTAC SAIJ80X130-75-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It features a 130 mm nominal stroke that can be fine-tuned down by up to 75 mm, providing a highly flexible 55-130 mm usable travel window. This bore delivers 2513 N of push force at 0.5 MPa, making it suitable for heavy-duty positioning tasks.
Fitted with a PT tapered port thread and a carbon steel rod, this -S variant includes a magnet for use with AirTAC CMSE reed and DMSE electronic sensors. The extruded aluminum barrel incorporates sensor grooves on both sides, and the rear adjuster serves purely as a travel stop for end-position tuning, not as a load-holding lock.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X130-75S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X130-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 130 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 SAIJ80X130-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×130 | 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 SAIJ80X130-75S Is Used
Product Changeovers
Quickly dial the stroke back from 130 mm to 55 mm via the rear screw when adapting machinery to different carton or product sizes on the fly.
Variable End-Stops
Provides a mechanical stop to fine-tune the retract position during machine commissioning without needing to fabricate and bolt on external hard stops.
Heavy Positioning
Leverages the 2513 N push force at 0.5 MPa to move heavy pallets or fixtures while allowing precise end-position tuning for delicate placement.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X130-75S the Right Cylinder?
Select this 80 mm bore when an application requires substantial force, such as the 2268 N pull force at 0.5 MPa, alongside highly variable end-positions. If you need less force, stepping down to a 63 mm bore yields 1402 N pull force at 0.5 MPa. The 75 mm adjustment range is particularly useful for product changeovers on a packaging line, allowing you to dial in the exact 55-130 mm travel window without swapping the cylinder or adding external stops. To match this ISO 15552 interchangeable cylinder, specify the 80 mm bore, 130 mm stroke, 75 mm adjustment, PT port, and -S magnet.
Because the nominal stroke is 130 mm, side-loading is less of a concern than with longer strokes, but always ensure the M20x1.5 rod thread is aligned correctly. If the machine requires the load to be held without live air pressure, a plain SAIJ will not suffice; you must integrate an external pilot-operated check valve or select an AirTAC SAIL or BSAI locking cylinder.
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 SAIJ80X130-75S FAQ
At 0.5 MPa operating pressure, this 80 mm bore cylinder provides 2513 N of push force and 2268 N of pull force. At a maximum 1.0 MPa, the push force reaches 4523 N.
The rear adjuster acts as a mechanical stop, allowing you to shorten the effective stroke from its 130 mm nominal length down to 55 mm. It is a travel stop for tuning end-positions, not a lock, and cannot hold a load without live air pressure.
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