This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI32X80N, 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.

The AirTAC SI32 Standard Air Cylinder SI32X80N is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø32mm bore and 80mm stroke, G1/8 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI32X80N, which matches its ISO interface, bore, stroke, force and mounting.
The AirTAC SI32X80N is a discontinued double-acting ISO 15552 profile cylinder with an 80 mm stroke and NBR seals. Built for a 32 mm bore, it generates 402 N of push force at 0.5 MPa and features a G1/8 air port. Because this legacy unit is end-of-life, you should order the direct replacement: the SAI32X80N. It shares the same ISO 15552 mounting interface, output force, and stroke, dropping directly into existing fixtures.
The SAI upgrade introduces a refined piston seal utilizing two Y-shaped one-way elements for low start-up pressure and extended life. Note that this specific SKU lacks a magnet (-S), so it cannot accept position sensors like the legacy CS1-B or DS1-B. If you need load holding on air loss, explore the SAIL or BSAI lock variants, as standard cushions only decelerate.
| Model | Airtac SI32 Standard Air Cylinder SI32X80N |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI32X80N |
| Bore size | Ø32 mm |
| Stroke | 80 mm |
| Acting type | Double acting |
| Port size | G1/8 |
| Rod thread | M10×1.25 |
| 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, 27 mm |
| Max standard stroke | Up to 1000 mm |
Specifications follow the official AirTAC SI datasheet (now discontinued). The SAI32X80N carries the same ISO 15552 ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 kgf | |
The SAI32X80N produces the same force from the same bore. Actual usable force is lower than theoretical; size with a margin.
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 32 | Bore size in mm. |
| ×80 | 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).
Ideal for pushing lightweight machined components out of a fixture using a safe 241 N working load.
Actuates a short 80 mm stroke diverter arm to route small boxes on a packaging line at speed.
Provides reliable clamping pressure for thin-gauge material holding in automated assembly cells.
To replace the discontinued SI32X80N, order the SAI32X80N, confirming the ISO 15552 mounting interface, 32 mm bore, 80 mm stroke, and G1/8 port (available in PT, G, or NPT threads). Match your mounting accessory (LB, FA, TC, etc.) and note that this non-magnetic SKU cannot support switches. If you need higher force, neighboring bores like the 40 mm offer 628 N push at 0.5 MPa. Because this plain cylinder does not hold load without live air—drifting on valve centering—use an external pilot check valve or the SAIL lock variant for suspended loads. At 80 mm stroke, side-load rod-bending stress is minimal, but always guide the load.
Replacement checklist
Yes, the SI32X80N is discontinued. The direct replacement is the SAI32X80N. It is dimensionally interchangeable per ISO 15552, retaining the same 32 mm bore, 80 mm stroke, G1/8 port, and mounting interface, but features an upgraded piston seal.
The 32 mm bore uses a G1/8 air port. At 0.5 MPa it provides 402 N push and 345 N pull force. At 0.7 MPa push is 563 N, and the theoretical maximum force is 82 kgf at 1.0 MPa. It operates at 30-800 mm/s.
Send us the quantity and destination. We confirm price, stock and lead time on the SAI32X80N replacement — usually within 7-8 hours.