Airtac SAIJ80 Adjustable Cylinder SAIJ80X105-30S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X105-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 105mm 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
- Stroke105 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X105-30S
The AirTAC SAIJ80X105-30-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It delivers 2513 N of push force and 2268 N of pull force at 0.5 MPa, utilizing a 25 mm carbon steel rod and G3/8 PT tapered ports. By integrating a -S magnet, this unit is fully compatible with AirTAC CMSE reed and DMSE electronic solid-state sensors for precise end-of-travel detection.
The integrated rear stopper allows you to dial back the 105 mm nominal stroke by up to 30 mm, creating a highly flexible 75-105 mm usable travel window. This mechanism is strictly a travel stop for end-position tuning during commissioning and does not lock or hold the load without live air. The extruded aluminum barrel includes sensor grooves on both sides, and the mounting interface covers Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting FB, CA, CB, and CR.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X105-30S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X105-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 105 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 SAIJ80X105-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×105 | 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 SAIJ80X105-30S Is Used
Product Changeover
Dial in the exact end-position during format size changes on a packaging line without replacing the entire actuator.
Variable End Stops
Set precise retract limits for testing or assembly operations that require slight positional shifts across different workpieces.
Machine Setup
Fine-tune the 75-105 mm travel window at commissioning to perfect tooling alignment before locking down the cycle parameters.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X105-30S the Right Cylinder?
Choose this adjustable-stroke model when your machine setup requires variable end-stops or frequent product-size changeovers, eliminating the need to physically swap cylinders or bolt on external stops. If your application requires less force, stepping down to a 63 mm bore yields 1559 N at 0.5 MPa; if you need more holding power, a 100 mm bore provides 3927 N. Because the 105 mm stroke is under the 300 mm threshold, side-load concerns are minimal, though the robust 25 mm rod and M20x1.5 thread naturally handle higher bending loads.
For load-holding without continuous air pressure, note that the rear adjuster and air cushions do not act as a brake. You must direct your flow to the SAIL (air-released lock) or BSAI (clamp-lock) variants, or employ an external pilot-operated check valve. This SAIJ model is dimensionally interchangeable per ISO 15552, featuring PT port threads and a -S magnet for sensor tracking.
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 SAIJ80X105-30S 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 the maximum 1.0 MPa pressure, the push force reaches 4523 N.
The rear stopper allows you to shorten the 105 mm nominal stroke by up to 30 mm, providing an adjustable travel window of 75 to 105 mm. This stopper only sets the end position; it does not hold the load without live air pressure.
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