Airtac SAIJ80 Adjustable Cylinder SAIJ80BX220-20S
The AirTAC SAIJ80 Adjustable Cylinder SAIJ80BX220-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 220mm 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
- Stroke220 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 SAIJ80BX220-20S
The AirTAC SAIJ80X220-20-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that creates a 200-220mm usable travel window from its 220mm nominal stroke. This allows precise end-position tuning during commissioning without swapping the cylinder or adding external stops. It delivers 2513N of pull force at 0.5MPa and 3518N at 0.7MPa, making it robust for heavy positioning tasks.
This SKU is equipped with a SUS304 stainless steel rod for corrosion resistance and uses PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides for direct mounting of CMSE reed and DMSE electronic solid-state switches. The rear adjuster acts purely as a travel stop and does not hold the load without live air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX220-20S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX220-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 220 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 SAIJ80BX220-20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×220 | 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 SAIJ80BX220-20S Is Used
Machine Setup Calibration
Dial in the exact 200-220mm end-of-stroke position during initial commissioning to perfectly seat heavy components without machining custom spacers.
Product Size Changeover
Quickly adjust the retract stop on a packaging line to accommodate varying package lengths, using the 20mm trim range to switch product sizes rapidly.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX220-20S the Right Cylinder?
Choose this 80mm bore when an application requires substantial thrust but demands on-the-fly stroke trimming to dial in the exact end position. If you need less force, stepping down to a 63mm bore yields 1402N pull at 0.5MPa, whereas staying at 80mm provides 2268N pull. The adjustable 200-220mm window is ideal for product changeovers on a line where the rear stopper can be fine-tuned quickly. For load-holding without continuous air pressure, this cylinder is insufficient since the adjuster is a stop, not a lock; you would need an external rod lock or a SAIL/BSAI series cylinder instead. When replacing an ISO 15552 unit, match the 80mm bore, 220mm stroke, 20mm adjustment, PT ports, and the -S magnet.
With a 220mm stroke, the M20x1.5 rod thread and 25mm rod diameter handle high side loads well, but for any stroke of 300mm or more, an external guide is recommended to prevent rod wear. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting FB, CA, CB, and CR.
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 SAIJ80BX220-20S FAQ
At 0.7MPa, the push force increases to 3518N.
The rear adjuster screw lets you mechanically shorten the 220mm stroke by up to 20mm, creating a 200-220mm travel window. It functions as a hard stop for position tuning and does not lock the load without air pressure.
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