This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI32AX35, 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 SI32 Standard Air Cylinder SI32AX35
The AirTAC SI32 Standard Air Cylinder SI32AX35 is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø32mm bore and 35mm stroke, G1/8 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI32AX35, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ32 mm
- Stroke35 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- StatusDiscontinued → SAI32AX35
- 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 SI32 Standard Air Cylinder SI32AX35
The AirTAC SI32AX35 is a discontinued double-acting ISO 15552 profile cylinder with a 32mm bore and 35mm stroke. Delivering 402N push force at 0.5MPa, it is replaced by the SAI32AX35. This direct upgrade keeps the same G1/8 port, M10x1.25 thread, and ISO 15552 mounting interface.
The SAI32AX35 features an upgraded piston seal with two Y-shaped one-way elements for low start-up pressure. This specific SKU uses a SUS420J2 stainless rod (-A) and lacks a magnet, meaning it cannot accept position sensors.
Airtac SI32 Standard Air Cylinder SI32AX35 Technical Specifications
| Model | Airtac SI32 Standard Air Cylinder SI32AX35 |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI32AX35 |
| Bore size | Ø32 mm |
| Stroke | 35 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 SAI32AX35 carries the same ISO 15552 ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
Theoretical Output Force (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 kgf | |
The SAI32AX35 produces the same force from the same bore. Actual usable force is lower than theoretical; size with a margin.
Model Code: Airtac SI32 Standard Air Cylinder SI32AX35
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 32 | Bore size in mm. |
| ×35 | 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 SI32 Standard Air Cylinder SI32AX35 Is Used
Compact Part Ejection
Uses the 402N push force at 0.5MPa to eject small machined components from a fixture.
Light Material Sorting
Ideal for diverting lightweight plastic or aluminum parts on a conveyor with a 35mm stroke.
Small Valve Actuation
Drives mechanical diverters or small process valves where a compact 32mm bore is required.
Replacing the Airtac SI32 Standard Air Cylinder SI32AX35 with the SAI32AX35
To replace the SI32AX35, order the SAI32AX35. Verify the ISO 15552 mounting interface, 32mm bore, 35mm stroke, G1/8 port, and SUS420J2 rod. Since this SKU has no -S suffix, it cannot accept CS1-B/DS1-B sensors. If sizing up, a 40mm bore yields 628N push at 0.5MPa; sizing down is not available. For load holding, note that a plain cylinder drifts on air loss—use an external rod lock, pilot check valve, or the SAIL/BSAI lock variants.
Replacement checklist
- ✓ Same ISO 15552 interface → SAI32AX35
- ✓ Same bore / stroke / force
- ✓ Port/thread type (PT/G/NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Mounting reused (FA/FB/CA/CB/CR/LB/TC)
Airtac SI32 Standard Air Cylinder SI32AX35 FAQ
Yes, the SI32AX35 is discontinued. The direct replacement is the SAI32AX35. It shares the same ISO 15552 mounting interface, 32mm bore, 35mm stroke, output force, and G1/8 port, fitting existing fixtures perfectly.
The 32mm bore features a G1/8 port. Force output is 402N push and 345N pull at 0.5MPa, 563N push at 0.7MPa, 724N push at 0.9MPa, and a maximum theoretical force of 82kgf at 1.0MPa.
Request a Quote for the SAI32AX35
Send us the quantity and destination. We confirm price, stock and lead time on the SAI32AX35 replacement — usually within 7-8 hours.