Airtac SAIJ80 Adjustable Cylinder SAIJ80BX210-20
The AirTAC SAIJ80 Adjustable Cylinder SAIJ80BX210-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 210mm stroke, G3/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ80 mm
- Stroke210 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX210-20
The AirTAC SAIJ80X210-20 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that creates a 190-210mm usable travel window. The extruded aluminum barrel includes sensor grooves on both sides, allowing you to add CMSE or DMSE switches if a magnet is required later.
This model features a SUS304 stainless steel rod for superior corrosion resistance and uses a PT tapered port thread. The rear stopper lets you fine-tune the retract end position during commissioning without adding external stops. Remember that this adjuster acts only as a travel stop, not a load lock; use a SAIL or BSAI cylinder if you need to hold position without live air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX210-20 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX210-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 210 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 | 2268 N | 2268 N |
| 0.7 MPa | 3175 N | — |
| Max (@1.0 MPa) | 463 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ80 Adjustable Cylinder SAIJ80BX210-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×210 | 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 SAIJ80BX210-20 Is Used
Product Size Changeovers
Dial in the 190-210mm travel window during packaging line format changes to accommodate different carton depths without changing cylinders.
End-Position Tuning
Fine-tune the retract stop during machine commissioning to perfect a pressing operation, avoiding the need to machine custom external spacers.
Corrosive Assembly Lines
Leverage the SUS304 stainless steel rod in humid or washdown manufacturing environments where standard carbon steel rods would pit.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX210-20 the Right Cylinder?
The 20mm adjustment range is ideal for product changeovers, letting you dial in the exact 190-210mm end position on the fly instead of physically swapping a fixed-stroke SAI cylinder. To match this ISO 15552 replacement, specify the 80mm bore, 210mm stroke, PT port, SUS304 rod, and the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2).
Because the 210mm stroke is moderately long, ensure the 25mm rod and M20x1.5 thread are paired with an external guide to handle side loads. The cylinder operates at speeds of 30-800 mm/s.
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 SAIJ80BX210-20 FAQ
At 0.7 MPa, the push force increases to 3518N.
The rear adjuster acts as a mechanical stop, allowing you to shorten the nominal 210mm stroke by up to 20mm. This creates a 190-210mm usable travel window for fine-tuning end positions, though it does not lock the load without live air.
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Covers non-human-caused product damage.
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Standard models are processed and dispatched in 3-5 business days.
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