This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAIJ80X225-10, 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.

The AirTAC SIJ80 Dual Axis Adjustable Cylinder SIJ80X225-10 is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø80mm bore and 225mm stroke, G3/8 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAIJ80X225-10, which matches its ISO interface, bore, stroke, force and mounting.
The AirTAC SIJ80X225-10 is a double-acting double-rod ISO 15552 adjustable-stroke cylinder with an 80 mm bore and 225 mm maximum extend stroke. An external stop screw lets you trim the extend stroke on-site by up to 10 mm, yielding a usable 215-225 mm end position. It features a 25 mm piston rod, an M20x1.5 rod-end thread, and a G3/8 air port.
This SIJ model is discontinued and the direct replacement is the SAIJ80X225-10, retaining the exact ISO 15552 interface, force, and porting. The SAIJ upgrade introduces a two Y-shaped one-way piston seal for lower start-up pressure and longer life. Note this SKU has no -S magnet and cannot take a sensor; the stop screw sets end position but is not a load lock.
| Model | Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X225-10 |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAIJ80X225-10 |
| Bore size | Ø80 mm |
| Stroke | 225 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 SAIJ80X225-10 carries the same ISO 15552 ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 kgf | |
The SAIJ80X225-10 produces the same force from the same bore. Actual usable force is lower than theoretical; size with a margin.
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 80 | Bore size in mm. |
| ×225 | 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).
Final insertion depth of a bearing requires minor on-site tuning. The 10 mm stop screw window trims the 225 mm extend stroke precisely without remounting the actuator.
A divertor arm needs its full reach slightly shortened to match a new lane width. The external screw adjusts the end position dynamically for product changes.
Folding mechanics require a specific extend endpoint that varies by carton thickness. The adjustable stop provides the exact 215-225 mm stroke needed for consistent folding.
To replace the discontinued SIJ80X225-10, order the direct replacement SAIJ80X225-10, matching the 225 mm stroke, 10 mm adjust window, and G3/8 port. Choose the 10 mm adjust window when you need minor on-site end-position tuning between 215-225 mm. Mounting interfaces include Basic, FA, LB, and TC. Because this SKU lacks the -S suffix, it cannot accept a magnetic switch. For this 225 mm stroke, keep side-load within standard ISO 15552 tolerances. The external stop sets the end position but does not hold the load on air loss; for held loads use an external rod lock or the SAIL/BSAI variant.
Replacement checklist
Yes, the SIJ80X225-10 is discontinued. The direct replacement is the SAIJ80X225-10, offering the same ISO 15552 interface, 80 mm bore, 225 mm stroke, 10 mm adjust window, and G3/8 port. The SAIJ family also uses an upgraded two Y-shaped one-way piston seal for longer life.
The theoretical max is 513 kgf at 1.0 MPa. The external stop screw offers a 10 mm adjust window, shortening the extend stroke from 225 mm down to 215 mm. The stop sets end position and is not a load lock.
Send us the quantity and destination. We confirm price, stock and lead time on the SAIJ80X225-10 replacement — usually within 7-8 hours.