Airtac SAIJ80 Adjustable Cylinder SAIJ80BX350-10
The AirTAC SAIJ80 Adjustable Cylinder SAIJ80BX350-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 350mm 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
- Stroke350 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 SAIJ80BX350-10
The AirTAC SAIJ80X350-10 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that permits up to 10 mm of end-position tuning. This creates a usable travel window between 340 and 350 mm, allowing you to dial in the exact retract distance during commissioning without adding external stops.
This unit is built with a SUS304 stainless steel rod for superior corrosion resistance and ships with PT tapered port threads. Because the stroke is 350 mm, the 25 mm rod diameter and M20x1.5 rod thread provide a robust interface, but an external guide is recommended to manage side loads on long unsupported travels. The rear adjuster acts purely as a travel stop and does not hold the load without live air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX350-10 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX350-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 350 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 SAIJ80BX350-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×350 | 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 SAIJ80BX350-10 Is Used
Machine Changeover Tuning
Adjust the rear stopper by up to 10 mm to accommodate slight variations in product sizes on a packaging line without physically replacing the cylinder.
Extended Travel Conveying
Utilize the 340-350 mm travel window for long-stroke material transfer, relying on the robust 25 mm SUS304 stainless steel rod to withstand harsh industrial environments.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX350-10 the Right Cylinder?
Select this 80 mm bore model when your application requires substantial force—stepping down to a 63 mm bore reduces the 0.5 MPa push force to 1559 N, whereas stepping up to a 100 mm bore yields 3927 N. The adjustable stroke is ideal for machinery that undergoes product changeovers, as the 10 mm trim window lets operators fine-tune the retract position quickly instead of swapping out a fixed-stroke SAI cylinder.
When matching this ISO 15552 cylinder for a replacement, verify the 350 mm stroke, 10 mm adjustment range, PT port thread, and the specific mounting accessory (available options include Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB and CA styles). Note that this unit lacks a magnet for position sensing; if you require end-of-stroke feedback, you would need a version configured with the -S magnet to utilize AirTAC CMSE reed or DMSE electronic sensors. For applications requiring true load holding without continuous air pressure, consider the SAIL or BSAI series instead, as the SAIJ adjuster is not a locking mechanism.
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 SAIJ80BX350-10 FAQ
The rear adjusting screw acts as a mechanical stopper, allowing you to shorten the nominal 350 mm stroke by up to 10 mm. This creates a 340-350 mm usable travel window for precise end-position tuning at commissioning, but it does not lock the load without live air pressure.
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