Airtac SAIJ80 Adjustable Cylinder SAIJ80BX290-30S
The AirTAC SAIJ80 Adjustable Cylinder SAIJ80BX290-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 290mm 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
- Stroke290 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 SAIJ80BX290-30S
The AirTAC SAIJ80X290-30-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the effective travel window from 260 to 290 mm without swapping hardware. The PT tapered ports and G3/8 thread size match the 80 mm bore standard.
This variant includes a SUS304 stainless steel rod for superior corrosion resistance and an integrated magnet (-S) for position sensing. It works seamlessly with AirTAC CMSE reed and DMSE electronic solid-state switches mounted into the dual-side sensor grooves on the extruded aluminum barrel. The rear adjuster acts purely as a mechanical stop to set the retract end position and does not hold the load without live air.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX290-30S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX290-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 290 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 SAIJ80BX290-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×290 | 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 SAIJ80BX290-30S Is Used
Product Changeovers
Quickly dial the retract position back by up to 30 mm when switching between part sizes on the line, avoiding the need to physically swap out the entire cylinder.
Variable End Stops
Set precise mechanical end-stops for diverter arms or pushing mechanisms, allowing on-the-fly adjustments during machine commissioning.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX290-30S the Right Cylinder?
The 30 mm adjustment window is ideal for product changeovers, letting you dial in the exact end-stop on the fly instead of machining external stops or buying a fixed-stroke SAI cylinder. For load-holding without continuous air pressure, pair this cylinder with an external rod lock or select an AirTAC SAIL or BSAI model.
When specifying an ISO 15552 replacement, match the 80 mm bore, 290 mm nominal stroke, 30 mm adjuster, PT ports, and the -S magnet. Because the stroke is 290 mm, ensure your mounting arrangement supports the rod adequately; long unsupported strokes require an external guide to prevent side-loading damage to the M20x1.5 rod thread and seals. SAIJ supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts.
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 SAIJ80BX290-30S FAQ
At 0.7 MPa, the push force increases to 3518 N.
A rear mechanical screw allows you to shorten the nominal 290 mm stroke by up to 30 mm, creating a usable travel window of 260 to 290 mm. This adjuster is a travel stop only and does not lock the load without live air pressure.
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Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
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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Most inquiries answered within 7-8 hours.
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