This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI32AX200, 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 SI32AX200 is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø32mm bore and 200mm stroke, G1/8 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI32AX200, which matches its ISO interface, bore, stroke, force and mounting.
The AirTAC SI32AX200 is a discontinued double-acting ISO 15552 profile cylinder with a 32 mm bore and 200 mm stroke. It delivers 402 N push force at 0.5 MPa via a G1/8 port and a SUS420J2 stainless piston rod. AirTAC replaced this legacy unit with the SAI32AX200, a direct upgrade retaining the exact ISO 15552 mounting interface, bore, stroke, output force, and port size.
The SAI upgrade features an improved piston seal with two Y-shaped one-way elements for lower start-up pressure and longer life. Because this specific SI32AX200 SKU lacks a magnet (-S), it cannot accept a position switch.
| Model | Airtac SI32 Standard Air Cylinder SI32AX200 |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI32AX200 |
| Bore size | Ø32 mm |
| Stroke | 200 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 SAI32AX200 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 SAI32AX200 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. |
| ×200 | 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).
Uses the 402 N push force at 0.5 MPa to reliably push lightweight machined components out of a fixture.
Leverages the SUS420J2 stainless rod option for secondary operations in washdown or mildly corrosive settings.
To replace the discontinued SI32AX200, order the SAI32AX200. Verify the ISO 15552 mounting interface, the 200 mm stroke, and the G1/8 port (available in PT, G, or NPT). Since this SKU has no magnet (-S), it cannot support legacy CS1-B/DS1-B sensors; order an -S variant if sensing is needed. For sizing, the 32 mm bore yields 402 N push at 0.5 MPa; dropping to a 25 mm bore reduces force, while a 40 mm bore increases it. Note that a plain cylinder drifts on air loss—the cushion only decelerates—so use an external rod lock or pilot check valve for load holding. The SAI family also offers SAIL or BSAI lock variants. At 200 mm stroke, side-load is minimal, but ensure proper guide alignment to prevent rod bending.
Replacement checklist
Yes, the SI32AX200 is discontinued. The direct replacement is the SAI32AX200. It shares the identical ISO 15552 mounting interface, 32 mm bore, 200 mm stroke, force, and G1/8 port, fitting existing fixtures perfectly.
This double-acting cylinder uses a G1/8 port. It generates 402 N push and 345 N pull at 0.5 MPa, 563 N push at 0.7 MPa, and a theoretical maximum of 82 kgf at 1.0 MPa. Operating speed is 30-800 mm/s.
Send us the quantity and destination. We confirm price, stock and lead time on the SAI32AX200 replacement — usually within 7-8 hours.