Airtac SAIJ160 Adjustable Cylinder SAIJ160BX230-20S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX230-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 230mm 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
- Stroke230 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX230-20S
The AirTAC SAIJ160X230-20-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a usable travel window of 210 to 230 mm, allowing you to dial back the nominal 230 mm stroke by up to 20 mm during commissioning. In the 160 mm bore class, it delivers substantial thrust, generating 14074 N of push force at 0.7 MPa and up to 18095 N at 0.9 MPa.
This unit features a SUS304 stainless steel rod for superior corrosion resistance and includes a magnet for position sensing. The extruded aluminum barrel integrates sensor grooves on both sides, supporting AirTAC CMSE reed and DMSE electronic solid-state switches. A PT tapered port thread ensures a robust pneumatic connection, while the rear stopper functions purely as a travel limit and does not hold the load without live air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX230-20S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX230-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 230 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 SAIJ160BX230-20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×230 | 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 SAIJ160BX230-20S Is Used
Machine Changeover
Fine-tune the 210 to 230 mm end position rapidly during product size changes without replacing the cylinder or adding external mechanical stops.
Heavy Forming Press
Leverage the 18095 N push force at 0.9 MPa for heavy-duty pressing operations, using the rear screw to set the exact travel limit.
Position Calibration
Dial in the precise retract end-point during commissioning using the rear adjuster, verified by CMSE or DMSE sensors in the dual grooves.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX230-20S the Right Cylinder?
Selecting this 160 mm bore cylinder makes sense when your application requires high thrust, such as 10053 N push at 0.5 MPa, combined with precise end-position tuning. If your force requirements are lower, stepping down to a 125 mm bore yields 6136 N at 0.5 MPa, whereas moving up to a 200 mm bore provides 15708 N at 0.5 MPa. The adjustable stroke is ideal for product-size changeovers on a line, removing the need to physically swap cylinders or bolt on external stops.
For an exact ISO 15552 replacement, match the 160 mm bore, 230 mm stroke, 20 mm adjustment code, PT port thread, and the -S magnet option. Mounting choices are limited to the SAIJ subset: Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. Because the stroke is 230 mm, ensure adequate external guiding to handle side loads, as the 40 mm diameter rod and M36x2 thread carry significant weight but cannot compensate for severe misalignment. Remember that the rear adjuster is a stop, not a lock; for load-holding without live air, consider an AirTAC SAIL or BSAI cylinder.
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 SAIJ160BX230-20S FAQ
The rear adjuster acts as a mechanical stop that lets you shorten the effective stroke by up to 20 mm. This creates a usable travel window of 210 to 230 mm, allowing you to fine-tune the end position without swapping the cylinder.
At 0.5 MPa it provides 10053 N of push force and 9425 N of pull force. At 0.9 MPa, the push force increases to 18095 N.
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