This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI80X105, 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 SI80X105
The AirTAC SI80 Standard Air Cylinder SI80X105 is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø80mm bore and 105mm stroke, G3/8 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI80X105, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ80 mm
- Stroke105 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAI80X105
- 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 SI80X105
The AirTAC SI80X105 is a discontinued double-acting ISO 15552 profile cylinder with an 80mm bore and 105mm stroke. It delivers 2513N push force at 0.5MPa via a G3/8 port. The direct replacement is the SAI80X105, matching the interface, bore, stroke, force, port and mounting.
The SAI upgrade uses two Y-shaped one-way piston seals for low start-up pressure and long life. Note this SKU lacks a magnet, so it cannot take a sensor.
Airtac SI80 Standard Air Cylinder SI80X105 Technical Specifications
| Model | Airtac SI80 Standard Air Cylinder SI80X105 |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI80X105 |
| Bore size | Ø80 mm |
| Stroke | 105 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 SAI80X105 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 SAI80X105 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 SI80X105
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 80 | Bore size in mm. |
| ×105 | 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 SI80X105 Is Used
Press Fit Tooling
Drives medium-tonnage press operations for bearing insertion, utilizing the 2513N push force at 0.5MPa to seat components reliably.
Pallet Diversion
Actuates heavy-duty routing gates on conveyor lines, providing the robust stroke needed to redirect loaded pallets.
Material Lift Stops
Functions as a heavy physical stop arm in vertical lifting stations, handling dynamic impacts within the 105mm travel.
Replacing the Airtac SI80 Standard Air Cylinder SI80X105 with the SAI80X105
To replace the SI80X105, order the SAI80X105. Confirm the ISO 15552 mounting interface, 80mm bore, 105mm stroke, G3/8 port (PT/G/NPT) and mounting accessory. Because this specific SKU has no -S magnet, it cannot accept a CS1-B/DS1-B sensor; order a magnet-equipped version if position detection is needed. Sizing both ways: a 63mm bore yields 1559N push at 0.5MPa, while a 100mm bore yields 3927N. 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 → SAI80X105
- ✓ 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 SI80X105 FAQ
Yes, the AirTAC SI80X105 is discontinued. The direct replacement is the SAI80X105. It is dimensionally interchangeable per ISO 15552, retaining the same 80mm bore, 105mm stroke, output force, G3/8 port and mounting fixtures.
The 80mm bore features a G3/8 air port. It generates 2513N push and 2268N pull at 0.5MPa, 3518N push at 0.7MPa, 4523N push at 0.9MPa, and a theoretical maximum force of 513kgf at 1.0MPa.
Request a Quote for the SAI80X105
Send us the quantity and destination. We confirm price, stock and lead time on the SAI80X105 replacement — usually within 7-8 hours.