Airtac SAIJ80 Adjustable Cylinder SAIJ80AX30-30S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX30-30S 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 SAIJ80AX30-30S
The AirTAC SAIJ80X30-30-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that creates a 0-30mm usable travel window. Delivering 2513N of push force at 0.5MPa, it handles robust short-stroke tasks. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch placement.
Equipped with a SUS420J2 stainless steel rod (code A) and PT tapered ports, this unit resists corrosion and handles demanding environments. The integrated magnet (-S) supports CMSE reed and DMSE electronic sensors for exact position detection. The rear stopper allows you to fine-tune the end position at commissioning without adding external stops.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX30-30S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX30-30S |
|---|---|
| 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 SAIJ80AX30-30S
| 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 SAIJ80AX30-30S Is Used
Product Changeover
Dial in the exact 0-30mm end-stop during line changeovers to accommodate different package sizes without swapping hardware.
Short-Stroke Clamping
Use the 2513N push force to secure heavy workpieces, relying on the rear screw to set the precise clamping depth.
Machine Setup
Fine-tune the retract position during initial commissioning to perfectly time machine cycles and prevent mechanical crashes.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX30-30S the Right Cylinder?
Choose this 80mm bore when you need 2513N push force at 0.5MPa, stepping up from a 63mm bore that provides 1559N. The 0-30mm adjustable window is perfect for applications requiring variable end-stops during product changeovers. For any stroke of 300mm or more, always use an external guide to support the rod and prevent excessive side loading.
When specifying an ISO 15552 replacement, match the 80mm bore, 30mm stroke, PT port, and -S magnet. Remember that the rear adjuster acts only as a travel stop, not a lock; the cylinder cannot hold a load without live air. For load-holding without pressure, consider an AirTAC SAIL or BSAI cylinder. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ80AX30-30S FAQ
At 0.5MPa operating pressure, this 80mm bore cylinder provides 2513N of push force and 2268N of pull force. At 0.7MPa, the push force increases to 3518N.
The rear adjuster allows you to shorten the 30mm nominal stroke by up to 30mm, creating a 0-30mm usable travel window. This stopper sets the end position but does not lock the load without live air pressure.
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