Airtac SAIJ80 Adjustable Cylinder SAIJ80X120-10
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X120-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 120mm 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
- Stroke120 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X120-10
The AirTAC SAIJ80X120-10 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It delivers a robust 2513N of push force at 0.5 MPa and provides a usable travel window of 110 to 120 mm, letting you trim the nominal 120 mm stroke by up to 10 mm during commissioning. The extruded aluminum barrel includes sensor grooves on both sides for straightforward position feedback.
This model uses a 25 mm carbon steel rod with an M20x1.5 thread, paired with PT tapered port threading and a G3/8 air supply port. The rear stopper screw acts purely as a travel end-deceleration stop, meaning it will not hold a load safely without continuous live air pressure. For secure load-holding, an external pilot-operated check valve or a related SAIL locking cylinder is required.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X120-10 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X120-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 120 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 SAIJ80X120-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×120 | 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 SAIJ80X120-10 Is Used
End-Position Tuning
Dial in the exact 110-120 mm travel distance during machine commissioning to perfect seating pressure without adding external stopper blocks.
Product Changeover
Quickly adjust the stroke by up to 10 mm on a packaging line when switching to a slightly different carton or product size.
Assembly Pressing
Leverage the 2513N push force at 0.5 MPa to seat bearings, using the rear stopper to prevent over-travel on delicate components.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X120-10 the Right Cylinder?
Select this 80 mm bore when an application requires substantial thrust—such as the 2513N push force at 0.5 MPa—within a compact 120 mm stroke. If your setup demands less force, stepping down to a 63 mm bore yields 1559N; if you need significantly more power, a 100 mm bore provides 3927N. The 10 mm adjustment range is ideal for fine-tuning the end position at commissioning or during product changeovers, eliminating the need to swap out a fixed-stroke SAI cylinder or bolt on external stops. When replacing an ISO 15552 cylinder, match the 80 mm bore, 120 mm stroke, 10 mm adjuster, G3/8 PT port, and mounting choice (Basic, FA, LB, TC, FTC, TCM1, or TCM2).
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 SAIJ80X120-10 FAQ
At 0.5 MPa operating pressure, this 80 mm bore cylinder provides 2513N of push force and 2268N of pull force. At 0.7 MPa, the push force increases to 3518N.
The rear adjuster screw allows you to shorten the effective travel from the nominal 120 mm down to 110 mm. This creates a 110-120 mm usable window for fine-tuning the retract end position without changing the cylinder.
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