This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI100X410S, 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 SI100 Standard Cylinder SI100X410S
The AirTAC Airtac SI100 Standard Cylinder SI100X410S is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø100mm bore and 410mm stroke, G1/2 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI100X410S, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ100 mm
- Stroke410 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAI100X410S
- 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 SI100 Standard Cylinder SI100X410S
The AirTAC SI100X410S is a discontinued double-acting ISO 15552 profile cylinder with a 100mm bore and 410mm stroke. It delivers 3927N push force at 0.5MPa via a G1/2 port. AirTAC replaced this legacy unit with the SAI100X410S, a direct upgrade retaining the exact interface, bore, stroke, force, and mounting.
The SAI replacement features an upgraded piston seal with two Y-shaped one-way elements for low start-up pressure and extended life. It also adds lock and valve variants (SAIL, SAIF, BSAI) absent in the SI line. The built-in magnet supports CS1-B/DS1-B sensors.
Airtac SI100 Standard Cylinder SI100X410S Technical Specifications
| Model | Airtac SI100 Standard Cylinder SI100X410S |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI100X410S |
| Bore size | Ø100 mm |
| Stroke | 410 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| 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 SAI100X410S carries the same ISO 15552 ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
Theoretical Output Force (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 kgf | |
The SAI100X410S produces the same force from the same bore. Actual usable force is lower than theoretical; size with a margin.
Model Code: Airtac SI100 Standard Cylinder SI100X410S
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 100 | Bore size in mm. |
| ×410 | 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 SI100 Standard Cylinder SI100X410S Is Used
Heavy Material Transfer
Drives robust pallet stops and heavy workpiece diverters on high-throughput conveyor lines using its 3927N push force.
Pallet Positioning
Executes 410mm strokes to index loaded pallets into wrapping or strapping stations, requiring external guides to manage side loads.
Replacing the Airtac SI100 Standard Cylinder SI100X410S with the SAI100X410S
To replace the SI100X410S, order the SAI100X410S, confirming the ISO 15552 mounting interface, 100mm bore, 410mm stroke, G1/2 port, and the -S magnet for legacy CS1-B/DS1-B switches (the SAI uses current AirTAC switches). For sizing down, a 63mm bore yields 1559N push at 0.5MPa; sizing up to 125mm provides 6136N. Because this is a 410mm stroke, use external guides to prevent rod bending and side-load damage. 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.
Replacement checklist
- ✓ Same ISO 15552 interface → SAI100X410S
- ✓ Same bore / stroke / force
- ✓ Port/thread type (PT/G/NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Mounting reused (FA/FB/CA/CB/CR/LB/TC)
Airtac SI100 Standard Cylinder SI100X410S FAQ
Yes, the SI100X410S is discontinued. The direct replacement is the SAI100X410S. It is dimensionally interchangeable per ISO 15552, matching the 100mm bore, 410mm stroke, G1/2 port, and mounting fixtures.
It features a G1/2 port and delivers 3927N push and 3681N pull at 0.5MPa, 5497N push at 0.7MPa, 7068N push at 0.9MPa, and a theoretical max of 801 kgf at 1.0 MPa. Speed is 30-800 mm/s.
Related AirTAC SAI Cylinders
Request a Quote for the SAI100X410S
Send us the quantity and destination. We confirm price, stock and lead time on the SAI100X410S replacement — usually within 7-8 hours.