This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI80X1100S, 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 SI80 Standard Air Cylinder SI80X1100S
The AirTAC SI80 Standard Air Cylinder SI80X1100S is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø80mm bore and 1100mm stroke, G3/8 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI80X1100S, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ80 mm
- Stroke1100 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAI80X1100S
- 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 SI80 Standard Air Cylinder SI80X1100S
The AirTAC SI80X1100S is a discontinued double-acting ISO 15552 profile cylinder with an 80 mm bore and 1100 mm stroke. It delivers 2513 N of push force at 0.5 MPa through a G3/8 port. AirTAC replaced this legacy unit with the SAI80X1100S, a direct upgrade sharing the exact ISO 15552 mounting interface, bore, stroke, and output force.
The SAI upgrade features a modernized piston seal with two Y-shaped one-way elements for low start-up pressure and extended life. The SAI family also introduces lock and valve variants like the SAIL and BSAI that the original SI line lacked.
Airtac SI80 Standard Air Cylinder SI80X1100S Technical Specifications
| Model | Airtac SI80 Standard Air Cylinder SI80X1100S |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI80X1100S |
| Bore size | Ø80 mm |
| Stroke | 1100 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| 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 SAI80X1100S carries the same ISO 15552 ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
Theoretical Output Force (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 kgf | |
The SAI80X1100S produces the same force from the same bore. Actual usable force is lower than theoretical; size with a margin.
Model Code: Airtac SI80 Standard Air Cylinder SI80X1100S
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 80 | Bore size in mm. |
| ×1100 | 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 SI80 Standard Air Cylinder SI80X1100S Is Used
Long-Stroke Diversion
Pushes heavy pallets across wide transfer lines using the full 1100 mm travel with 2513 N force at 0.5 MPa.
Vertical Material Lift
Raises goods up to 128 kg in storage retrieval systems, requiring external guidance to prevent rod bending.
Automated Press Clamping
Secures large workpieces in machining cells, relying on the 80 mm bore profile barrel for rigid alignment.
Replacing the Airtac SI80 Standard Air Cylinder SI80X1100S with the SAI80X1100S
To replace the SI80X1100S, order the SAI80X1100S and confirm your ISO 15552 mounting fixtures, G3/8 port threads, and M20x1.5 rod-end connections match. The built-in magnet (-S) supports legacy CS1-B/DS1-B sensors, though the SAI replacement uses current AirTAC switches. Because this is a 1100 mm stroke, prevent rod bending by guiding the load externally to avoid side-load forces. If checking neighbouring bores, a 63 mm bore gives 1559 N push at 0.5 MPa, while a 100 mm bore yields 3927 N. Note that a plain cylinder drifts on air loss; for load holding, use the SAIL or BSAI lock variant, or an external pilot check valve.
Replacement checklist
- ✓ Same ISO 15552 interface → SAI80X1100S
- ✓ Same bore / stroke / force
- ✓ Port/thread type (PT/G/NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Mounting reused (FA/FB/CA/CB/CR/LB/TC)
Airtac SI80 Standard Air Cylinder SI80X1100S FAQ
Yes, the SI80X1100S is discontinued. The direct replacement is the AirTAC SAI80X1100S. It is dimensionally interchangeable per ISO 15552, retaining the same 80 mm bore, 1100 mm stroke, output force, G3/8 port, and mounting interface.
It features a G3/8 air port and provides 2513 N push / 2268 N pull at 0.5 MPa, 3518 N push at 0.7 MPa, 4523 N push at 0.9 MPa, and a theoretical maximum force of 513 kgf at 1.0 MPa. The operating speed is 30-800 mm/s.
Related AirTAC SAI Cylinders
Request a Quote for the SAI80X1100S
Send us the quantity and destination. We confirm price, stock and lead time on the SAI80X1100S replacement — usually within 7-8 hours.