This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI32X220, 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 SI32X220
The AirTAC SI32 Standard Air Cylinder SI32X220 is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø32mm bore and 220mm stroke, G1/8 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI32X220, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ32 mm
- Stroke220 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- StatusDiscontinued → SAI32X220
- 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 SI32X220
The AirTAC SI32X220 is a discontinued double-acting ISO 15552 profile cylinder with a 32mm bore and 220mm stroke. Delivering 402N push force at 0.5MPa via a G1/8 port, it is replaced by the SAI32X220. This direct successor matches the exact ISO 15552 mounting interface, bore, stroke, force and port.
The SAI32X220 upgrades the piston seal to two Y-shaped one-way elements for low start-up pressure and long life. Note this specific SKU lacks a magnet, so it cannot accept CS1-B/DS1-B sensors.
Airtac SI32 Standard Air Cylinder SI32X220 Technical Specifications
| Model | Airtac SI32 Standard Air Cylinder SI32X220 |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI32X220 |
| Bore size | Ø32 mm |
| Stroke | 220 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 SAI32X220 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 SAI32X220 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 SI32X220
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 32 | Bore size in mm. |
| ×220 | 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 SI32X220 Is Used
Small Part Ejection
Uses the 402N push force at 0.5MPa to reliably push lightweight plastic or aluminium components out of machining fixtures.
Package Diverting
Actuates a routing gate along a packaging line, where the 220mm stroke provides sufficient travel to redirect small boxes.
Clamp Actuation
Drives a secondary clamping mechanism in assembly tooling, taking advantage of the compact 32mm ISO 15552 profile barrel.
Replacing the Airtac SI32 Standard Air Cylinder SI32X220 with the SAI32X220
To replace the SI32X220, order the SAI32X220, confirming the ISO 15552 interface, 32mm bore, 220mm stroke, G1/8 port (PT/G/NPT thread) and mounting accessory. Because this 220mm stroke exceeds 300mm? No, but for any stroke over 300mm add a guide to prevent rod bending. Size both ways: the neighbouring 40mm bore gives 628N push at 0.5MPa if you need more force. A plain cylinder drifts on air loss—the cushion only decelerates—so for load holding use an external rod lock, pilot check valve, or the SAIL/BSAI lock variant. The SAIF variant adds a built-in valve.
Replacement checklist
- ✓ Same ISO 15552 interface → SAI32X220
- ✓ 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 SI32X220 FAQ
Yes, the SI32X220 is discontinued. The direct replacement is the SAI32X220. It is dimensionally interchangeable per ISO 15552, matching the 32mm bore, 220mm stroke, 402N force, G1/8 port and mounting interface.
The G1/8 port bore 32mm cylinder provides 402N push and 345N pull at 0.5MPa, 563N push at 0.7MPa, and a theoretical max of 82kgf at 1.0MPa. It operates at 30-800mm/s with a 27mm adjustable air cushion.
Request a Quote for the SAI32X220
Send us the quantity and destination. We confirm price, stock and lead time on the SAI32X220 replacement — usually within 7-8 hours.