Airtac SAIJ80 Adjustable Cylinder SAIJ80AX800-10
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX800-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 800mm 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
- Stroke800 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX800-10
The AirTAC SAIJ80X800-10 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a nominal 800 mm travel with a 10 mm external trim range, yielding a precise 790-800 mm usable window for fine-tuning the retract position without adding external stops. Delivering 2513 N of push force at 0.5 MPa, it handles heavy loads with a 25 mm piston rod and G3/8 ports.
This unit features a SUS420J2 stainless steel rod for enhanced corrosion resistance and uses PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides, allowing you to mount CMSE reed or DMSE electronic switches directly. The rear adjuster acts purely as a travel stop to set deceleration, not as a lock, so live air is required to hold the load.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX800-10 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX800-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 800 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 SAIJ80AX800-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×800 | 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 SAIJ80AX800-10 Is Used
Machine Changeover
Dial in the 790-800 mm retract position precisely during product size changes without swapping out the entire cylinder.
Long-Stroke Diverting
Provides robust 2513 N push force for moving heavy pallets over an 800 mm distance with adjustable end-stops.
Assembly Pressing
Fine-tune the 10 mm adjustment window to set exact pressing depths at commissioning without external shims.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX800-10 the Right Cylinder?
Choose this 80 mm bore when a 50 mm cylinder (982 N push at 0.5 MPa) lacks the force for a long 800 mm stroke, but a 100 mm bore (3927 N) would be excessive overkill. An adjustable stroke is selected over a fixed SAI model when you need to dial in the exact end position during machine commissioning or product changeovers. Because the rear screw is a stop and not a lock, use a SAIL or BSAI cylinder if the application requires load-holding without continuous air pressure.
For an exact ISO 15552 replacement, match the 80 mm bore, 800 mm stroke, 10 mm adjustment code, G3/8 PT ports, and your required mounting hardware. With an 800 mm stroke, the unsupported load increases lateral stress; always pair this cylinder with an external guide to prevent side-loading damage to the rod and seals. SAIJ supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts, omitting FB, CA, CB, and CR.
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 SAIJ80AX800-10 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 0.7 MPa, the push force increases to 3518 N.
The rear adjuster screw allows you to shorten the effective stroke by up to 10 mm, creating a 790-800 mm usable travel window. It functions as a mechanical stop to fine-tune the end position and does not lock the load without live air.
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