This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI80X1020S, 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 SI80X1020S
The AirTAC SI80 Standard Air Cylinder SI80X1020S is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø80mm bore and 1020mm stroke, G3/8 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI80X1020S, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ80 mm
- Stroke1020 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAI80X1020S
- 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 SI80X1020S
The AirTAC SI80X1020S is a discontinued double-acting ISO 15552 profile cylinder with a 1020 mm stroke. It delivers 2513 N push and 2268 N pull at 0.5 MPa through a G3/8 port. The direct replacement is the SAI80X1020S, matching the exact bore, stroke, force, port, and mounting interface.
The SAI upgrade features a two Y-shaped one-way piston seal for low start-up pressure and long life. The -S magnet works with legacy CS1-B/DS1-B sensors, while the SAI uses current switches.
Airtac SI80 Standard Air Cylinder SI80X1020S Technical Specifications
| Model | Airtac SI80 Standard Air Cylinder SI80X1020S |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI80X1020S |
| Bore size | Ø80 mm |
| Stroke | 1020 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 SAI80X1020S 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 SAI80X1020S 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 SI80X1020S
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 80 | Bore size in mm. |
| ×1020 | 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 SI80X1020S Is Used
Long-Stroke Material Transfer
Drives heavy pallets across extended conveyor lanes, utilizing the 1020 mm stroke and 2513 N push force at 0.5 MPa to shift large packaged goods between processing stations.
Large Assembly Press
Actuates heavy-duty clamping fixtures over a wide 1020 mm span, where the adjustable 36 mm air cushions decelerate the 25 mm rod smoothly at stroke ends.
Replacing the Airtac SI80 Standard Air Cylinder SI80X1020S with the SAI80X1020S
To replace the SI80X1020S, order the SAI80X1020S. Verify the ISO 15552 mounting interface, G3/8 port, and M20x1.5 rod thread. Because this is a 1020 mm stroke, use an external guide to prevent rod bending and side loads. If sizing alternatives, the 63 mm bore yields 1559 N push at 0.5 MPa, while the 100 mm bore gives 3927 N. A plain cylinder drifts on air loss; for load holding, use an external rod lock, pilot check valve, or the SAIL/BSAI lock variants.
Replacement checklist
- ✓ Same ISO 15552 interface → SAI80X1020S
- ✓ 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 SI80X1020S FAQ
Yes, the SI80X1020S is discontinued. The direct replacement is the SAI80X1020S. It is dimensionally interchangeable per ISO 15552, retaining the same 80 mm bore, 1020 mm stroke, 513 kgf max force, G3/8 port, and mounting accessories.
This double-acting cylinder uses a G3/8 air port. It generates 2513 N push and 2268 N pull at 0.5 MPa, 3518 N push at 0.7 MPa, 4523 N push at 0.9 MPa, and a maximum theoretical force of 513 kgf at 1.0 MPa.
Related AirTAC SAI Cylinders
Request a Quote for the SAI80X1020S
Send us the quantity and destination. We confirm price, stock and lead time on the SAI80X1020S replacement — usually within 7-8 hours.