Airtac SAIJ80 Adjustable Cylinder SAIJ80AX30-30
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX30-30 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 SAIJ80AX30-30
The AirTAC SAIJ80X30-30 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the end-of-travel position. Based on the specified configuration, the nominal 30 mm stroke can be dialed back by up to 30 mm, providing a usable travel window of 0-30 mm to perfectly dial in the retract distance during commissioning. This 80 mm bore generates 2513 N of push force and 2268 N of pull force at 0.5 MPa, making it well-suited for high-thrust short-stroke tasks.
This unit is built with a SUS420J2 stainless steel rod for enhanced corrosion resistance and utilizes PT tapered port threads for a tight, reliable pneumatic connection. The extruded aluminum barrel incorporates sensor grooves on both sides for flexible switch mounting, while the integrated adjustable air cushions at both ends manage end-of-stroke deceleration. The rear stopper mechanism acts solely as a travel stop to set the position and does not hold the load without continuous live air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX30-30 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX30-30 |
|---|---|
| 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 SAIJ80AX30-30
| 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 SAIJ80AX30-30 Is Used
Precision Clamping Setup
Dial in the exact 0-30 mm clamping distance during machine commissioning to accommodate varying workpiece thicknesses without hardware changes.
Short-Stroke Changeover
Quickly adjust the retract stop position on packaging lines when switching to different product sizes, minimizing downtime between runs.
High-Force End Stops
Leverage the 2513 N push force at 0.5 MPa for heavy pressing or holding tasks while fine-tuning the exact contact point at the end of travel.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX30-30 the Right Cylinder?
Select this 80 mm bore model when an application demands high thrust within a very compact footprint, stepping up from a 63 mm bore that offers 1559 N of push force at 0.5 MPa. An adjustable stroke is highly advantageous here over a fixed-stroke SAI cylinder because it allows operators to set variable end stops for product changeovers without physically swapping the actuator or adding external stops. Because the stroke is under 300 mm, the 25 mm rod handles side loading well without requiring an external guide, though the load must still be supported by live air since the adjuster is not a locking device.
For an exact ISO 15552 replacement, match these critical specifications: 80 mm bore, 30 mm nominal stroke, 30 mm adjustment range, PT thread type G3/8 port, and standard mounting options including Basic, FA, LB, TC, FTC, TCM1, and TCM2. Note that this unit does not include a magnet, so position sensing via CMSE or DMSE switches is not supported without a -S variant.
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 SAIJ80AX30-30 FAQ
The rear adjuster screw acts as an external stopper that shortens the effective stroke by up to 30 mm. With a 30 mm nominal stroke, this provides a usable travel window of 0 to 30 mm, allowing precise end-position tuning without replacing the cylinder.
At an operating pressure of 0.5 MPa, the SAIJ80X30-30 generates 2513 N of push force and 2268 N of pull force. It can deliver up to 4523 N of push force at its maximum rated pressure of 0.9 MPa.
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