Airtac SAIJ80 Adjustable Cylinder SAIJ80X130-20S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X130-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 130mm 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
- Stroke130 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X130-20S
The AirTAC SAIJ80X130-20-S is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It delivers 2513N of push force at 0.5 MPa and provides a usable travel window of 110 to 130 mm, letting you dial in the exact retract end-position during commissioning without swapping hardware. The extruded aluminum barrel includes sensor grooves on both sides, and the -S magnet enables precise tracking with CMSE reed or DMSE electronic solid-state switches.
Equipped with a 25mm carbon steel rod and an M20x1.5 thread, this unit handles robust side loads, while the PT tapered port ensures a tight pneumatic seal. The rear screw acts purely as a travel stop for deceleration alongside the standard air cushions, meaning it will not hold a load without live air pressure. For load-holding requirements, consider an external rod lock or the AirTAC SAIL series.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X130-20S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X130-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 130 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 SAIJ80X130-20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×130 | 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 SAIJ80X130-20S Is Used
Changeover Optimization
Quickly adjust the 110-130mm travel window during product size changeovers, eliminating the need to physically swap cylinders or reposition fixed mechanical stops.
End-Position Tuning
Fine-tune the retract stroke at machine commissioning to achieve exact positioning, compensating for mechanical tolerances without adding external spacers.
Assembly Actuation
Leverage the 2513N push force at 0.5 MPa for pressing or clamping operations where the exact end-stop distance requires slight on-site calibration.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X130-20S the Right Cylinder?
Choose this 80mm bore when an application demands more thrust than a 63mm cylinder (which provides 1559N push at 0.5 MPa) but has space constraints that preclude a 100mm unit. The adjustable 110-130mm travel window is ideal for product changeovers on a line, allowing operators to fine-tune end stops rapidly instead of installing fixed spacers or reverting to a standard SAI cylinder. It supports a speed range of 30-800 mm/s.
When integrating this model, note that it uses the reduced SAIJ mounting set: Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. Because the 130mm stroke is relatively short, internal side-loading is minimal, but external guides should still be used for optimal longevity. To match this cylinder exactly for an ISO 15552 replacement, specify the 80mm bore, 130mm nominal stroke, 20mm adjustment, PT port thread, carbon steel rod, 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 SAIJ80X130-20S FAQ
At 0.5 MPa operating pressure, this 80mm 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 stroke by up to 20mm, creating a usable travel window of 110-130mm from the 130mm nominal stroke. It functions as a mechanical stop for end-position tuning and does not lock the load without live air pressure.
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