Airtac SAIJ80 Adjustable Cylinder SAIJ80BX210-40S
The AirTAC SAIJ80 Adjustable Cylinder SAIJ80BX210-40S 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 SAIJ80BX210-40S
The AirTAC SAIJ80X210-40-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to trim the effective travel. With a nominal 210 mm stroke and a 40 mm adjustment range, it provides a usable 170-210 mm travel window for precise end-position tuning during commissioning without swapping hardware.
It includes a SUS304 stainless steel rod for corrosion resistance, PT tapered ports, and a magnet for CMSE reed and DMSE electronic sensors. The rear stopper sets the travel end but does not hold the load without live air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX210-40S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX210-40S |
|---|---|
| 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 SAIJ80BX210-40S
| 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 SAIJ80BX210-40S Is Used
Changeover Calibration
Dial in the 170-210 mm travel window during product size changes on a packaging line, setting the exact retract position without external stops.
Machine Setup
Simplify commissioning by trimming the stroke up to 40 mm to hit the exact sensor target, avoiding the need to physically swap the cylinder.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX210-40S the Right Cylinder?
The adjustable 170-210 mm travel window is ideal for product changeovers on a line, letting operators dial in the exact end-stop without adding external shims. For load-holding without continuous air pressure, use a SAIL air-released lock or BSAI clamp-lock cylinder instead, as the SAIJ adjuster is a stop, not a brake.
Because the 210 mm stroke approaches the mid-range of this bore, the 25 mm rod and M20x1.5 thread handle moderate side loads well, but long unsupported strokes still require an external guide. It uses a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and omits FB, CA, CB, and CR brackets. It is dimensionally interchangeable per ISO 15552.
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 SAIJ80BX210-40S FAQ
The rear adjuster screw lets you shorten the 210 mm nominal stroke by up to 40 mm, creating a 170-210 mm usable travel window. It acts as a mechanical stop to fine-tune the retract end position at commissioning.
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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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