This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI160AX230S, with the same bore, stroke, output force, port and mounting, so it fits the same application. The SAI replacement keeps the same ISO 15552 mounting interface, bore, stroke, output force and accessories, so it drops straight into existing fixtures. It is the current-production version of this cylinder with an upgraded piston seal.
Airtac SI160 Standard Cylinder SI160AX230S
The AirTAC SI160 Standard Cylinder SI160AX230S is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø160mm bore and 230mm stroke, G3/4 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI160AX230S, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ160 mm
- Stroke230 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2.0
- StatusDiscontinued → SAI160AX230S
- 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 SI160 Standard Cylinder SI160AX230S
The AirTAC SI160AX230S is a discontinued double-acting ISO 15552 profile cylinder with a 160 mm bore and 230 mm stroke. It delivers 10053 N push force at 0.5 MPa through a G3/4 port. The direct replacement is the SAI160AX230S, matching the interface, stroke, force, and mounting.
The SAI upgrade features two Y-shaped one-way piston seals for low start-up pressure and long life. This -S model includes a magnet for legacy CS1-B/DS1-B sensors, while the -A code denotes a SUS420J2 stainless rod.
Airtac SI160 Standard Cylinder SI160AX230S Technical Specifications
| Model | Airtac SI160 Standard Cylinder SI160AX230S |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI160AX230S |
| Bore size | Ø160 mm |
| Stroke | 230 mm |
| Acting type | Double acting |
| Port size | G3/4 |
| Rod thread | M36×2.0 |
| 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 standard stroke | Up to 1500 mm |
Specifications follow the official AirTAC SI datasheet (now discontinued). The SAI160AX230S carries the same ISO 15552 ratings. Confirm against the product label before installation. Thread options: PT / G / 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 | |
The SAI160AX230S produces the same force from the same bore. Actual usable force is lower than theoretical; size with a margin.
Model Code: Airtac SI160 Standard Cylinder SI160AX230S
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 160 | Bore size in mm. |
| ×230 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Legacy SI-family variants: SID (double rod), SIJ (adjustable stroke) — each maps to its SAI equivalent (SID→SAID, SIJ→SAIJ). Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B).
Where the Airtac SI160 Standard Cylinder SI160AX230S Is Used
Heavy Press Clamping
Secures large metal castings in machining centers, utilizing the 14074 N push force at 0.7 MPa to hold components rigidly against cutting loads.
Automotive Body Welding
Actuates heavy welding fixtures and positioners, where the 512 kg vertical lift capacity and 50 mm cushions absorb high kinetic energy at stroke ends.
Pallet Lift Gates
Raises and lowers heavy industrial loading dock gates, relying on the SUS420J2 stainless rod for corrosion resistance in harsh environments.
Replacing the Airtac SI160 Standard Cylinder SI160AX230S with the SAI160AX230S
To replace the SI160AX230S, order the SAI160AX230S and confirm the ISO 15552 mounting interface, 230 mm stroke, G3/4 port, and -S magnet. The -A rod is SUS420J2 stainless steel. If you need more force than the 10053 N at 0.5 MPa, step up to the 200 mm bore; if less is needed, the 125 mm bore provides 6136 N. For stroke lengths over 300 mm, use a guide to prevent rod bending and side loads. A plain cylinder drifts on air loss—the cushion only decelerates—so use an external rod lock, pilot check valve, or the SAIL/BSAI lock variant for load holding.
Replacement checklist
- ✓ Same ISO 15552 interface → SAI160AX230S
- ✓ Same bore / stroke / force
- ✓ Port/thread type (PT/G/NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Mounting reused (FA/FB/CA/CB/CR/LB/TC)
Airtac SI160 Standard Cylinder SI160AX230S FAQ
Yes, the SI160AX230S is discontinued. The direct replacement is the SAI160AX230S. It shares the same ISO 15552 mounting interface, 160 mm bore, 230 mm stroke, output force, and G3/4 port, fitting existing fixtures perfectly.
It delivers 10053 N push and 9425 N pull at 0.5 MPa, 14074 N push at 0.7 MPa, and a theoretical max of 2050 kgf at 1.0 MPa. Operating speed is 30-500 mm/s, and it uses a G3/4 port.
Related AirTAC SAI Cylinders
Request a Quote for the SAI160AX230S
Send us the quantity and destination. We confirm price, stock and lead time on the SAI160AX230S replacement — usually within 7-8 hours.