This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI100X380, 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 SI100X380
The AirTAC Airtac SI100 Standard Cylinder SI100X380 is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø100mm bore and 380mm stroke, G1/2 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI100X380, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ100 mm
- Stroke380 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAI100X380
- 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 SI100X380
The AirTAC SI100X380 is a discontinued double-acting ISO 15552 profile cylinder with a 100mm bore and 380mm stroke. It delivers 3927N push force at 0.5MPa via a G1/2 port. AirTAC replaced this legacy unit with the SAI100X380, a direct replacement sharing the exact mounting interface, bore, stroke, output force, and accessories.
The SAI upgrade features a new piston seal with two Y-shaped one-way elements for low start-up pressure and long life. Note this SKU lacks a magnet so it cannot take a sensor. For high heat, Viton H seals raise the temperature limit to 150C.
Airtac SI100 Standard Cylinder SI100X380 Technical Specifications
| Model | Airtac SI100 Standard Cylinder SI100X380 |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI100X380 |
| Bore size | Ø100 mm |
| Stroke | 380 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 SAI100X380 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 SAI100X380 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 SI100X380
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 100 | Bore size in mm. |
| ×380 | 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 SI100X380 Is Used
Heavy Press Clamping
Secures large metal workpieces in machining fixtures, utilizing the 3927N push force at 0.5MPa to hold components rigidly against cutting loads.
Pallet Diversion
Actuates heavy-duty routing gates on automated assembly lines, where the 380mm stroke provides full lateral travel to redirect loaded pallets.
Replacing the Airtac SI100 Standard Cylinder SI100X380 with the SAI100X380
To replace the SI100X380, order the SAI100X380 ensuring the ISO 15552 interface, 100mm bore, 380mm stroke, G1/2 port, and mounting accessory match. Because this SKU lacks the -S magnet, it cannot accept CS1-B/DS1-B sensors. If sizing down, the 80mm bore yields 2513N push at 0.5MPa; if sizing up, the 125mm bore provides 6136N. For the 380mm stroke, use external guides to prevent rod bending and side loads. A plain cylinder drifts on air loss; for load holding, use an external pilot check valve or the SAIL/BSAI lock variants.
Replacement checklist
- ✓ Same ISO 15552 interface → SAI100X380
- ✓ 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 SI100X380 FAQ
Yes, the SI100X380 is discontinued. The direct replacement is the SAI100X380. It is dimensionally interchangeable per ISO 15552, retaining the same 100mm bore, 380mm stroke, force, G1/2 port, and mounting interface.
This double-acting cylinder uses a G1/2 air port. Force output is 3927N push and 3681N pull at 0.5MPa, 5497N push at 0.7MPa, 7068N push at 0.9MPa, and a theoretical max of 801kgf at 1.0MPa.
Related AirTAC SAI Cylinders
Request a Quote for the SAI100X380
Send us the quantity and destination. We confirm price, stock and lead time on the SAI100X380 replacement — usually within 7-8 hours.