This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI100X800, 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 SI100X800
The AirTAC SI100 Standard Cylinder SI100X800 is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø100mm bore and 800mm stroke, G1/2 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI100X800, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ100 mm
- Stroke800 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAI100X800
- 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 SI100X800
The AirTAC SI100X800 is a discontinued double-acting ISO 15552 profile cylinder with an 800 mm stroke and a 100 mm bore. It delivers 3927 N push force at 0.5 MPa through a G1/2 port. Because this SKU lacks a magnet, it cannot accept a position sensor. AirTAC replaced the SI family with the SAI100X800, a direct upgrade sharing the exact same ISO 15552 mounting interface, bore, stroke, output force, and port size.
The SAI replacement introduces an upgraded piston seal with two Y-shaped one-way elements for low start-up pressure and extended life. It also adds variants the legacy line lacked, such as the SAIL air-released lock and BSAI clamp-lock.
Airtac SI100 Standard Cylinder SI100X800 Technical Specifications
| Model | Airtac SI100 Standard Cylinder SI100X800 |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI100X800 |
| Bore size | Ø100 mm |
| Stroke | 800 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 SAI100X800 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 SAI100X800 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 SI100X800
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 100 | Bore size in mm. |
| ×800 | 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 SI100X800 Is Used
Heavy Material Transfer
Drives large pallets or heavy workpieces over an 800 mm distance on assembly lines using its 3927 N push force at 0.5 MPa.
Large Press Ejection
Ejects finished parts from heavy machinery over a long stroke, relying on the 36 mm adjustable air cushions to decelerate at the ends.
Replacing the Airtac SI100 Standard Cylinder SI100X800 with the SAI100X800
To replace the SI100X800, order the SAI100X800. Verify your ISO 15552 mounting fixtures (LB, FA, TC, etc.), the G1/2 air port, and the M20x1.5 rod thread. Since this original SKU has no magnet, it cannot support legacy CS1-B/DS1-B sensors; if sensing is required, specify an SAI model with the magnet option. For sizing alternatives, a neighboring 80 mm bore yields 2513 N push at 0.5 MPa, while a 125 mm bore provides 6136 N. Note that a plain cylinder drifts without live air; for load holding, use the SAIL or BSAI lock variant, or an external pilot check valve. Finally, at this 800 mm stroke, prevent rod bending by guiding the load externally to avoid side-loading.
Replacement checklist
- ✓ Same ISO 15552 interface → SAI100X800
- ✓ 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 SI100X800 FAQ
Yes, the AirTAC SI100X800 is discontinued. The direct replacement is the SAI100X800. It is dimensionally interchangeable per the ISO 15552 mounting interface, retaining the same 100 mm bore, 800 mm stroke, output force, and G1/2 port, so it fits existing fixtures directly.
This double-acting cylinder features a G1/2 air port and an M20x1.5 rod thread. The thrust output is 3927 N push and 3681 N pull at 0.5 MPa, 5497 N push at 0.7 MPa, and 7068 N push at 0.9 MPa. The theoretical maximum force is 801 kgf at 1.0 MPa.
Related AirTAC SAI Cylinders
Request a Quote for the SAI100X800
Send us the quantity and destination. We confirm price, stock and lead time on the SAI100X800 replacement — usually within 7-8 hours.