Airtac SAIJ80 Adjustable Cylinder SAIJ80AX750-100S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX750-100S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 750mm 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
- Stroke750 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX750-100S
The AirTAC SAIJ80X750-100-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the effective travel window from 650 to 750 mm. It delivers a robust 2513 N push force at 0.5 MPa, making it suitable for heavy-duty positioning tasks. The piston rod is constructed from SUS420J2 stainless steel (code A), offering excellent resistance to wear and corrosion in demanding environments.
Equipped with a magnet for position sensing, this unit supports AirTAC CMSE reed and DMSE electronic solid-state switches mounted into the dual-side sensor grooves on the extruded aluminum barrel. It uses PT tapered G3/8 ports and relies on adjustable air cushions at both ends to decelerate the load smoothly over the long 750 mm stroke.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX750-100S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX750-100S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 750 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 SAIJ80AX750-100S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×750 | 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 SAIJ80AX750-100S Is Used
Variable End-Stop Machining
Dial in the exact clamping position on machining fixtures by adjusting the rear stopper from 650 to 750 mm without changing the cylinder body.
Product Changeover Diverters
Quickly adapt conveyor sorting diverters to different package lengths by turning the rear adjuster to shift the retract stroke end-point.
Long-Stroke Assembly Presses
Handle heavy component seating over a 750 mm travel distance, using the SUS420J2 stainless rod and air cushions to manage impact.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX750-100S the Right Cylinder?
Choose this 80 mm bore when an application requires higher thrust than a 63 mm cylinder (which provides 1559 N at 0.5 MPa) but does not need the full 3927 N push force of a 100 mm bore. The 100 mm adjustment range is ideal for product changeovers on a line, allowing operators to set variable end-stops without physically swapping the cylinder or adding external mechanical stops. Because the nominal stroke is 750 mm, an external guide rail is highly recommended to prevent excessive side-loading on the extended rod.
For load-holding applications, remember that the rear adjuster is strictly a travel stop, not a locking device; this cylinder will not hold its position without live air pressure. For true fail-safe holding, consider the SAIL or BSAI series. To replace an ISO 15552 cylinder, match the 80 mm bore, 750 mm stroke, 100 mm adjustment, PT G3/8 port, and -S magnet, noting that 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 SAIJ80AX750-100S FAQ
At an operating pressure of 0.5 MPa, this 80 mm bore cylinder provides a push force of 2513 N and a pull force of 2268 N. At 0.7 MPa, the push force increases to 3518 N.
The rear adjuster screw acts as a mechanical stop that lets you shorten the effective stroke by up to 100 mm, providing a usable travel window of 650 to 750 mm for fine-tuning the end position at commissioning.
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