This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI80BX230, 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 SI80BX230
The AirTAC SI80 Standard Air Cylinder SI80BX230 is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø80mm bore and 230mm stroke, G3/8 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI80BX230, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ80 mm
- Stroke230 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAI80BX230
- 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 SI80BX230
The AirTAC SI80BX230 is a discontinued double-acting ISO 15552 profile cylinder with an extruded aluminum barrel and adjustable air cushions at both ends. Featuring an 80mm bore and 230mm stroke, it delivers a push force of 2513 N and pull of 2268 N at 0.5 MPa. The direct replacement is the SAI80BX230, which matches the G3/8 port, M20x1.5 rod thread, and mounting interface. This SKU uses a SUS304 stainless steel rod (-B) for corrosion resistance, but because it lacks a magnet (-S), it cannot accept position switches.
The SAI80BX230 upgrade introduces a two Y-shaped one-way piston seal for low start-up pressure and long life. The SAI family also adds SAIL, SAIF, and BSAI lock variants the legacy SI line lacked.
Airtac SI80 Standard Air Cylinder SI80BX230 Technical Specifications
| Model | Airtac SI80 Standard Air Cylinder SI80BX230 |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI80BX230 |
| Bore size | Ø80 mm |
| Stroke | 230 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 SAI80BX230 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 SAI80BX230 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 SI80BX230
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 80 | Bore size in mm. |
| ×230 | 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 SI80BX230 Is Used
Stainless Rod Clamping
Ideal for packaging lines requiring washdown resistance, using the SUS304 rod to actuate heavy clamping arms with 2513 N of push force.
Heavy Product Diverting
Provides robust 80mm bore actuation to push heavy goods across conveyor belts, utilizing the adjustable 36mm cushions for smooth stops.
Replacing the Airtac SI80 Standard Air Cylinder SI80BX230 with the SAI80BX230
To replace the SI80BX230, order the SAI80BX230. It is dimensionally interchangeable per ISO 15552, retaining the exact 80mm bore, 230mm stroke, 2513 N output at 0.5 MPa, G3/8 port, and mounting fixtures. Confirm your port thread (PT, G, or NPT) and mounting accessory (LB, FA, TC, etc.). Because this SKU lacks the -S magnet, it cannot support legacy CS1-B/DS1-B sensors; if sensing is needed, specify an SAI model with the magnet. If you need to size up or down, neighboring bores are 63mm (1559 N push) and 100mm (3927 N push) at 0.5 MPa. Note that a plain cylinder drifts on air loss—the cushion only decelerates—so for load holding use an external pilot check valve, rod lock, or the SAIL/BSAI lock variant. Since the 230mm stroke is under 300mm, rod bending is minimal, but always guide external loads.
Replacement checklist
- ✓ Same ISO 15552 interface → SAI80BX230
- ✓ 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 SI80BX230 FAQ
Yes, the AirTAC SI80BX230 is discontinued. The direct replacement is the SAI80BX230. It features the same ISO 15552 mounting interface, 80mm bore, 230mm stroke, output force, G3/8 port, and SUS304 stainless rod, fitting directly into existing fixtures.
The 80mm bore double-acting cylinder operates at 30-800 mm/s. 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 theoretical maximum force of 513 kgf at 1.0 MPa.
Related AirTAC SAI Cylinders
Request a Quote for the SAI80BX230
Send us the quantity and destination. We confirm price, stock and lead time on the SAI80BX230 replacement — usually within 7-8 hours.