Airtac SAIJ80 Adjustable Cylinder SAIJ80AX550-10S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX550-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 550mm 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
- Stroke550 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX550-10S
The AirTAC SAIJ80X550-10-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 540-550 mm, letting you dial back the end position by up to 10 mm during commissioning without adding external stops. It delivers 2513 N of push force and 2268 N of pull force at 0.5 MPa.
This unit includes a SUS420J2 stainless steel rod (option A) for corrosion resistance and a magnet for CMSE or DMSE sensors. It uses PT tapered G3/8 ports and offers variable air cushions at both ends. The mounting interface accepts Basic, FA, LB, TC, FTC, TCM1, and TCM2 accessories.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX550-10S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX550-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 550 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 SAIJ80AX550-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×550 | 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 SAIJ80AX550-10S Is Used
Machine Changeover
Fine-tune the 540-550 mm retract end-stop during product size changes without physically swapping cylinders or adding shims.
Variable End Positioning
Dial in the exact retraction point for diverters or gates handling varying package lengths on a packaging line.
Clamping Force Setup
Precisely set the retraction depth to control clamping engagement on delicate workpieces before applying full 2513 N force.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX550-10S the Right Cylinder?
Choose this 80 mm bore when a 50 mm bore (982 N push at 0.5 MPa) lacks the power for your load, but a 63 mm bore (1559 N) is still too small. The 10 mm rear adjuster is ideal for product changeovers, letting you fine-tune the retract end position on the fly rather than swapping a fixed-stroke SAI cylinder.
Because the nominal stroke is 550 mm, an external guide rail is recommended to prevent excessive side loading on the rod. The rear adjuster acts only as a travel stop and does not hold the load without live air; for true fail-safe load holding, consider an external rod lock or the SAIL series. To match this ISO 15552 footprint, specify bore 80, stroke 550, 10 mm adjustment, PT G3/8 ports, and the -S magnet.
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 SAIJ80AX550-10S FAQ
At 0.5 MPa operating pressure, this 80 mm bore cylinder generates 2513 N of push force and 2268 N of pull force. It can deliver up to 4523 N of push force at 0.9 MPa.
A rear screw stopper lets you shorten the effective travel from 550 mm down to 540 mm. It acts as a mechanical stop to tune the end position, but it is not a lock and will not hold the load without continuous air pressure.
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