Airtac SAIJ80 Adjustable Cylinder SAIJ80X150-30S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X150-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 150mm 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
- Stroke150 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X150-30S
The AirTAC SAIJ80X150-30-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that lets you dial back the nominal 150 mm travel by up to 30 mm, creating a 120-150 mm usable window for precise end-position tuning. It delivers a robust 2513 N push force at 0.5 MPa, making it well-suited for heavy handling tasks. The extruded aluminum barrel includes sensor grooves on both sides, and this version is equipped with a magnet for use with AirTAC CMSE reed and DMSE electronic solid-state switches.
This model features a 25 mm carbon steel piston rod with an M20x1.5 thread, providing excellent rigidity for off-axis loads while supporting a speed range of 30-800 mm/s. It utilizes a PT tapered port thread and variable air cushions at both ends to manage kinetic energy. The rear adjustment screw acts purely as a travel stop to set the retract position and does not lock the load without live air pressure. Mounting options include the SAIJ subset of Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X150-30S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X150-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 150 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 SAIJ80X150-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×150 | 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 SAIJ80X150-30S Is Used
Machine Changeover
Dial in the 120-150 mm travel window during product size changes to set new retract positions without swapping hardware.
End-Position Tuning
Fine-tune the retract stop at commissioning to dial out mechanical tolerance and achieve exact clamping depth.
Variable End Stops
Use the rear adjuster screw to set precise retraction limits on automated assembly lines requiring flexible travel distances.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X150-30S the Right Cylinder?
Choose this 80 mm bore cylinder when your application requires the 2513 N thrust at 0.5 MPa but demands a variable end-stop for product changeovers, avoiding the need to physically swap a fixed-stroke SAI cylinder. If your process needs less force, stepping down to a 63 mm bore yields 1559 N; if you need more clamping power, a 100 mm bore provides 3927 N. Because the stroke is under 300 mm, side-load risks are moderate, though the 25 mm rod and M20x1.5 thread handle off-axis forces well. For true load-holding without continuous air pressure, this adjuster will not suffice; you should look at the SAIL pneumatic lock or BSAI clamp-lock series instead. To match this ISO 15552 replacement, specify the 80 mm bore, 150 mm stroke, 30 mm adjustment, PT port, and the -S magnet option.
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 SAIJ80X150-30S FAQ
At 0.5 MPa operating pressure, this 80 mm bore cylinder generates 2513 N of push force and 2268 N of pull force. At the maximum 1.0 MPa pressure, it can deliver up to 513 kgf.
The rear adjuster screw acts as a mechanical stop that lets you shorten the 150 mm nominal stroke by up to 30 mm, providing a 120-150 mm usable travel window. It sets the end position but does not lock the load without live air pressure.
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