Airtac SAIJ160 Adjustable Cylinder SAIJ160BX225-20
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX225-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 225mm stroke, G3/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ160 mm
- Stroke225 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX225-20
The AirTAC SAIJ160X225-20 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering 10053N pull force at 0.5MPa. Its 225mm nominal stroke can be dialed back by up to 20mm, providing a 205-225mm usable travel window for precise end-position tuning during commissioning without swapping the cylinder. This model features a SUS304 stainless steel rod (code B) for superior corrosion resistance and a PT tapered port thread.
The rear adjustment mechanism acts purely as a mechanical stop to set the travel endpoint and works in tandem with the variable air cushions at both ends. It does not hold the load without live air pressure; for true load-holding without continuous air supply, consider the SAIL or BSAI series. The extruded aluminum barrel includes sensor grooves on both sides, and the 40mm rod with M36x2 thread handles high side loads effectively.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX225-20 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX225-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 225 mm |
| Acting type | Double acting |
| Port size | G3/4 |
| Rod thread | M36×2 |
| 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 – 500 mm/s |
| Cushion | Adjustable, 50 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 (Ø160mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 10053 N | 9425 N |
| 0.7 MPa | 14074 N | — |
| Max (@1.0 MPa) | 2050 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ160 Adjustable Cylinder SAIJ160BX225-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | 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 SAIJ160 Adjustable Cylinder SAIJ160BX225-20 Is Used
Variable End-Stop Tuning
Dial in the 205-225mm travel window during machine setup to accommodate minor variations in part dimensions without machining new hard stops.
Product Size Changeover
Quickly adjust the retract end-position on packaging lines when switching between different product sizes, reducing downtime between production runs.
Heavy-Duty Forming
Leverage the 10053N pull force at 0.5MPa for pressing or forming operations that require precise depth control via the rear adjustment screw.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX225-20 the Right Cylinder?
Choose this 160mm bore cylinder when an application requires substantial thrust (10053N pull at 0.5MPa) combined with on-the-fly end-stop adjustments for product changeovers. If you need less force, stepping down to a 125mm bore yields 5734N pull at 0.5MPa, whereas fixed-stroke requirements without tuning are better served by the standard SAI series.
Because the 225mm stroke falls under the 300mm side-load threshold, the 40mm rod diameter provides excellent rigidity, though long unsupported loads still require an external guide. When replacing an ISO 15552 cylinder, match the 160mm bore, 225mm stroke, 20mm adjustment, PT G3/4 port, and the specific mounting interface (Basic, FA, LB, TC, FTC, TCM1, TCM2). Note that this SKU omits the -S magnet, so it does not support CMSE or DMSE sensors.
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 SAIJ160 Adjustable Cylinder SAIJ160BX225-20 FAQ
At 0.5MPa operating pressure, this 160mm bore cylinder provides 10053N of pull force and 14074N of push force at 0.7MPa.
The rear adjuster acts as a mechanical stop that lets you shorten the 225mm nominal stroke by up to 20mm, creating a 205-225mm travel window. It only sets the end position and does not lock the load without live air.
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