Airtac SAIJ160 Adjustable Cylinder SAIJ160BX225-50
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX225-50 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 SAIJ160BX225-50
The AirTAC SAIJ160X225-50 is a double-acting ISO 15552 profile cylinder featuring a rear mechanical adjuster that allows you to trim the effective stroke by up to 50 mm. This yields a usable travel window of 175 to 225 mm, letting you dial in the retract end-position precisely at commissioning without adding external stops. It delivers substantial thrust, providing 9425 N of pull force at 0.5 MPa and reaching 18095 N at 0.9 MPa.
Equipped with a SUS304 stainless steel rod and PT tapered port threads, this 160 mm bore unit is built for demanding environments. The extruded aluminum barrel includes sensor grooves on both sides for flexible CMSE or DMSE switch mounting. The rear adjuster acts purely as a travel stop for deceleration and end-position setting; it does not hold the load without live air pressure, so an external rod lock or SAIL cylinder is required for static holding.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX225-50 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX225-50 |
|---|---|
| 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 SAIJ160BX225-50
| 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 SAIJ160BX225-50 Is Used
Press Tonnage Tuning
Fine-tune the exact bottoming position of a high-force press during setup, using the 50 mm window to compensate for material thickness variations without changing tooling.
Product Diversion
Adjust the retract distance on a diverter arm to handle different package widths on a conveyor line, ensuring precise routing without reprogramming the machine.
Fixture Clamping
Securely clamp large castings by tweaking the end-stop position to accommodate raw part tolerances, guaranteeing consistent clamping force across production runs.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX225-50 the Right Cylinder?
Select this 160 mm bore model when your application requires high force combined with on-the-fly end-position tuning. If you need less thrust, stepping down to the 125 mm bore yields 5734 N of pull at 0.5 MPa, whereas the 200 mm bore offers 15080 N for heavier loads. The adjustable stroke is ideal for product changeovers on a line, allowing variable end-stops without physically swapping the cylinder body.
When replacing an ISO 15552 cylinder, match the 160 mm bore, 225 mm stroke, 50 mm adjustment range, PT G3/4 port, and standard mounting interface. The SAIJ series supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts, omitting FB, CA, CB, and CR. Because the 225 mm stroke is relatively short for this large bore, side-load risks are minimal, but an external guide is always recommended for heavy radial loads.
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 SAIJ160BX225-50 FAQ
At a 0.5 MPa operating pressure, this 160 mm bore cylinder provides 10053 N of push force and 9425 N of pull force. At the maximum 1.0 MPa pressure, it delivers up to 2050 kgf of thrust.
The rear adjuster acts as a mechanical stop that shortens the nominal 225 mm stroke by up to 50 mm, giving an effective travel range of 175 to 225 mm. It sets the end-position and aids deceleration but does not lock the load without sustained air pressure.
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