Airtac SAIJ80 Adjustable Cylinder SAIJ80X230-40S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X230-40S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 230mm 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
- Stroke230 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X230-40S
The AirTAC SAIJ80X230-40-S is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 190 to 230 mm, letting you dial back the nominal 230 mm stroke by up to 40 mm during commissioning without adding external stops. The 80 mm bore delivers 4523 N of push force at 0.9 MPa, fitting heavy-duty positioning tasks.
This unit includes a standard carbon steel rod and a -S magnet for CMSE reed and DMSE electronic sensors. The extruded aluminum barrel offers sensor grooves on both sides. It supports a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and uses PT-tapered G3/8 ports. The rear adjuster acts purely as a travel stop, meaning it cannot hold a load without live air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X230-40S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X230-40S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 230 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 SAIJ80X230-40S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×230 | 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 SAIJ80X230-40S Is Used
Machine Changeover
Fine-tune the 190-230 mm end-stop during product size transitions to avoid swapping out the entire cylinder.
Variable End Positioning
Dial in the exact retract distance on the assembly line without installing bulky external mechanical stops.
Heavy-Duty Clamping
Leverage the 4523 N push force at 0.9 MPa to secure heavy workpieces while adjusting the clamp depth as needed.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X230-40S the Right Cylinder?
Choose this adjustable-stroke cylinder when your machine setup requires fine end-position tuning across a 190-230 mm window. Unlike a fixed SAI cylinder, the rear screw lets you trim the retract position for product changeovers. If you need less force, stepping down to a 63 mm bore yields 2805 N at 0.9 MPa; if your application requires true load-holding without live air, consider an SAIL or BSAI cylinder instead.
Because the 230 mm stroke approaches the range where side loads can damage seals, ensure you use an external guide for heavy or off-center loads. This SAIJ80X230-40-S is dimensionally interchangeable per ISO 15552, featuring an 80 mm bore, 230 mm stroke, 40 mm adjustment, PT G3/8 ports, and a -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 SAIJ80X230-40S FAQ
At 0.9 MPa, this 80 mm bore cylinder provides 4523 N of push force and 4071 N of pull force. It operates at speeds between 30 and 800 mm/s.
The rear adjuster screw acts as a mechanical stop that lets you shorten the effective stroke from 230 mm down to 190 mm. It only sets the travel end and does not lock or hold the load without continuous air pressure.
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