This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI160BX165, 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 SI160BX165
The AirTAC SI160 Standard Cylinder SI160BX165 is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø160mm bore and 165mm stroke, G3/4 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI160BX165, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ160 mm
- Stroke165 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2.0
- StatusDiscontinued → SAI160BX165
- 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 SI160BX165
The AirTAC SI160BX165 is a discontinued double-acting ISO 15552 profile cylinder with a 160 mm bore and 165 mm stroke. Delivering 10053 N push force at 0.5 MPa via a G3/4 port, its direct replacement is the SAI160BX165. This current-production model shares the exact same ISO 15552 mounting interface, bore, stroke, force and port, fitting existing fixtures perfectly.
The SAI upgrade features a revised piston seal with two Y-shaped one-way elements for low start-up pressure and extended life. This specific SKU uses a SUS304 stainless steel rod (-B) for corrosion resistance, but lacks a magnet (-S), meaning it cannot accept CS1-B or DS1-B sensors.
Airtac SI160 Standard Cylinder SI160BX165 Technical Specifications
| Model | Airtac SI160 Standard Cylinder SI160BX165 |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI160BX165 |
| Bore size | Ø160 mm |
| Stroke | 165 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 SAI160BX165 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 SAI160BX165 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 SI160BX165
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 160 | Bore size in mm. |
| ×165 | 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 SI160BX165 Is Used
Heavy Machinery Forming
Drives large forming presses and heavy-duty industrial machinery requiring up to 10053 N of thrust at 0.5 MPa.
Corrosive Environment Tooling
Ideal for washdown or chemical manufacturing areas thanks to the SUS304 stainless steel piston rod option.
Replacing the Airtac SI160 Standard Cylinder SI160BX165 with the SAI160BX165
To replace the discontinued SI160BX165, order the SAI160BX165. Verify your ISO 15552 mounting interface (LB, FA, TC, etc.), bore, 165 mm stroke, and G3/4 port. Because this is a no-S SKU, it cannot support magnetic sensing; if position detection is required, select an SAI160BX165S. This unit features the -B SUS304 stainless rod for corrosive environments. For sizing, a 125 mm bore yields 6136 N push at 0.5 MPa, while a 200 mm bore yields 15708 N. Note that 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 held loads. At 165 mm stroke, side-load is minimal, but ensure proper guide alignment to prevent rod bending.
Replacement checklist
- ✓ Same ISO 15552 interface → SAI160BX165
- ✓ 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 SI160BX165 FAQ
Yes, the AirTAC SI160BX165 is discontinued. The direct replacement is the SAI160BX165. It is dimensionally interchangeable per ISO 15552, matching the 160 mm bore, 165 mm stroke, 10053 N force, G3/4 port, and mounting accessories.
This double-acting cylinder features a G3/4 air port and an M36x2 rod thread. At 0.5 MPa it provides 10053 N push and 9425 pull force. At 0.7 MPa push is 14074 N, and at 0.9 MPa it is 18095 N. The theoretical maximum force is 2050 kgf at 1.0 MPa.
Related AirTAC SAI Cylinders
Request a Quote for the SAI160BX165
Send us the quantity and destination. We confirm price, stock and lead time on the SAI160BX165 replacement — usually within 7-8 hours.