This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI80AX160, 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 SI80 Standard Air Cylinder SI80AX160
The AirTAC SI80 Standard Air Cylinder SI80AX160 is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø80mm bore and 160mm stroke, G3/8 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI80AX160, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ80 mm
- Stroke160 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAI80AX160
- 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 SI80 Standard Air Cylinder SI80AX160
The AirTAC SI80AX160 is a discontinued double-acting ISO 15552 profile cylinder with an 80mm bore and 160mm stroke. It delivers 2513N push force at 0.5MPa via a G3/8 port. The direct replacement is the SAI80AX160, which matches the interface, stroke, force, and mounting exactly.
The SAI upgrade features two Y-shaped one-way piston seals for low start-up pressure and long life. This SI80AX160 variant uses an SUS420J2 stainless steel rod, but lacks a magnet so it cannot take a sensor.
Airtac SI80 Standard Air Cylinder SI80AX160 Technical Specifications
| Model | Airtac SI80 Standard Air Cylinder SI80AX160 |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI80AX160 |
| Bore size | Ø80 mm |
| Stroke | 160 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| Rod thread | M20×1.5 |
| 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 – 800 mm/s |
| Cushion | Adjustable, 36 mm |
| Max standard stroke | Up to 1500 mm |
Specifications follow the official AirTAC SI datasheet (now discontinued). The SAI80AX160 carries the same ISO 15552 ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
Theoretical Output Force (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 kgf | |
The SAI80AX160 produces the same force from the same bore. Actual usable force is lower than theoretical; size with a margin.
Model Code: Airtac SI80 Standard Air Cylinder SI80AX160
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 80 | Bore size in mm. |
| ×160 | 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 SI80 Standard Air Cylinder SI80AX160 Is Used
Heavy-Duty Pressing
Ideal for applying consistent 2513N clamping or pressing force in automated machining and metalworking fixtures.
Pallet Diverting
Robust 80mm bore actuation to push heavy pallets or product queues smoothly across material handling lines.
Replacing the Airtac SI80 Standard Air Cylinder SI80AX160 with the SAI80AX160
To replace the SI80AX160, order the SAI80AX160. Confirm the ISO 15552 mounting interface, 80mm bore, 160mm stroke, G3/8 port, and your specific mounting accessory. Because this SKU lacks a magnet, it cannot accept position sensors; if sensing is needed, order an SAI with the S suffix. For sizing, the 80mm bore yields 2513N push at 0.5MPa; dropping to a 63mm bore gives 1559N, while an 100mm bore provides 3927N. Note that a plain cylinder drifts on air loss—the cushion only decelerates. For load holding, use an external rod lock, pilot check valve, or the SAIL/BSAI lock variant.
Replacement checklist
- ✓ Same ISO 15552 interface → SAI80AX160
- ✓ Same bore / stroke / force
- ✓ Port/thread type (PT/G/NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Mounting reused (FA/FB/CA/CB/CR/LB/TC)
Airtac SI80 Standard Air Cylinder SI80AX160 FAQ
Yes, the AirTAC SI80AX160 is discontinued. The direct replacement is the SAI80AX160. It is dimensionally interchangeable per ISO 15552, matching the 80mm bore, 160mm stroke, 2513N force, G3/8 port, and mounting interface.
This 80mm bore double-acting cylinder uses a G3/8 air port. The force output is 2513N push and 2268N pull at 0.5MPa, 3518N push at 0.7MPa, 4523N push at 0.9MPa, and a theoretical maximum of 513kgf at 1.0MPa.
Related AirTAC SAI Cylinders
Request a Quote for the SAI80AX160
Send us the quantity and destination. We confirm price, stock and lead time on the SAI80AX160 replacement — usually within 7-8 hours.