Airtac SAIJ80 Adjustable Cylinder SAIJ80BX225-75S
The AirTAC SAIJ80 Adjustable Cylinder SAIJ80BX225-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 225mm 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
- Stroke225 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 SAIJ80BX225-75S
The AirTAC SAIJ80X225-75-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the nominal 225 mm travel by up to 75 mm. This yields a usable end-position window of 150 to 225 mm, perfect for dialing in exact retract distances during commissioning or product changeovers without adding external stops.
Built for demanding environments, this variant features a SUS304 stainless steel rod for superior corrosion resistance and includes a magnet for position sensing with CMSE reed or DMSE electronic switches. The extruded aluminum barrel includes sensor grooves on both sides. Mounting options are limited to the SAIJ subset: Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX225-75S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX225-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 225 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 SAIJ80BX225-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×225 | 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 SAIJ80BX225-75S Is Used
Variable End-Stop Tuning
Dial in the retract distance from 150 to 225 mm during machine setup to accommodate varying material thicknesses without changing cylinders.
Product Changeover
Quickly adjust the end-of-stroke position on automated lines when switching product sizes, using the rear screw rather than repositioning physical stops.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX225-75S the Right Cylinder?
The 75 mm adjustment range is ideal for machinery requiring variable end-stops across different product sizes, avoiding the need to physically swap a fixed-stroke SAI cylinder. To match this ISO 15552 interchangeable cylinder, specify: 80 mm bore, 225 mm stroke, 75 mm adjustment, PT tapered ports, a mounting style from the approved set, and the -S magnet.
Because the stroke is 225 mm, ensure adequate external guiding to prevent excessive side loads on the 25 mm rod and M20x1.5 thread. Remember that the rear adjuster acts only as a travel stop and does not hold the load without live air; for true load-holding, consider the SAIL or BSAI series.
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 SAIJ80BX225-75S FAQ
At 0.7 MPa, the push force increases to 3518 N.
The rear adjuster screw lets you shorten the effective travel from the nominal 225 mm down to 150 mm. It functions as a mechanical stop for end-position tuning and does not lock the load without live air pressure.
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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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