This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI80X88, 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 SI80X88
The AirTAC SI80 Standard Air Cylinder SI80X88 is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø80mm bore and 88mm stroke, G3/8 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI80X88, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ80 mm
- Stroke88 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAI80X88
- 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 SI80X88
The AirTAC SI80X88 is a discontinued double-acting ISO 15552 profile cylinder with an 80mm bore and 88mm stroke. Delivering 2513N push force at 0.5MPa, it uses a G3/8 air port and a Ø25mm rod. The direct replacement is the SAI80X88, matching the exact interface, force, and mounting hardware.
The SAI upgrade features a revised piston seal with two Y-shaped one-way elements for low start-up pressure and long life. Note this specific SKU lacks a magnet, so it cannot accept CS1-B/DS1-B sensors.
Airtac SI80 Standard Air Cylinder SI80X88 Technical Specifications
| Model | Airtac SI80 Standard Air Cylinder SI80X88 |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI80X88 |
| Bore size | Ø80 mm |
| Stroke | 88 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 SAI80X88 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 SAI80X88 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 SI80X88
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 80 | Bore size in mm. |
| ×88 | 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 SI80X88 Is Used
Mid-Tonnage Pressing
Applies up to 4523N at 0.9MPa for seating bearings or light stamping tasks in automated cells.
Package Diversion
Drives 88mm stroke diverters or gates to redirect heavy cartons along material handling lines.
Pallet Lift Stops
Acts as a robust stop block for pallets, utilizing the 2513N push force to halt moving loads safely.
Replacing the Airtac SI80 Standard Air Cylinder SI80X88 with the SAI80X88
To replace the SI80X88, order the SAI80X88, confirming the ISO 15552 mounting interface, 88mm stroke, and G3/8 port. Because this non-magnet SKU cannot host a sensor, order an -S model if position detection is needed. Sizing down to a 63mm bore yields 1559N push at 0.5MPa, while sizing up to 100mm provides 3927N. The standard cylinder does not hold load without live air; the cushion only decelerates. For load holding, use an external pilot check valve or the SAIL/BSAI lock variants.
Replacement checklist
- ✓ Same ISO 15552 interface → SAI80X88
- ✓ 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 SI80X88 FAQ
Yes, the SI80X88 is discontinued. The direct replacement is the SAI80X88, a true ISO 15552 profile cylinder that matches the 80mm bore, 88mm stroke, 2513N force, G3/8 port, and mounting dimensions.
The 80mm bore features a G3/8 port. It delivers 2513N push and 2268N pull at 0.5MPa, 3518N push at 0.7MPa, and a theoretical max of 513kgf at 1.0MPa.
Request a Quote for the SAI80X88
Send us the quantity and destination. We confirm price, stock and lead time on the SAI80X88 replacement — usually within 7-8 hours.