This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAIJ80X225-30S, 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 SIJ80 Dual Axis Adjustable Cylinder SIJ80X225-30S
The AirTAC SIJ80 Dual Axis Adjustable Cylinder SIJ80X225-30S 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 SAIJ80X225-30S, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ80 mm
- Stroke225 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAIJ80X225-30S
- 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 SIJ80 Dual Axis Adjustable Cylinder SIJ80X225-30S
The AirTAC SIJ80X225-30S is a discontinued double-acting double-rod ISO 15552 adjustable-stroke cylinder with a 225 mm nominal stroke and a built-in piston magnet. An external stop screw lets you trim the extend stroke by up to 30 mm on-site, yielding a usable 195-225 mm window. This 80 mm bore uses a G3/8 port, a 25 mm rod, and 36 mm adjustable cushions. The direct replacement is the SAIJ80X225-30S, matching the interface, force, and mounts.
The SAIJ upgrade uses an upgraded two Y-shaped one-way piston seal for low start-up pressure. The stop sets end position but is not a load lock; use SAIL or BSAI for held loads.
Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X225-30S Technical Specifications
| Model | Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X225-30S |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAIJ80X225-30S |
| 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 SAIJ80X225-30S 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 SAIJ80X225-30S produces the same force from the same bore. Actual usable force is lower than theoretical; size with a margin.
Model Code: Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X225-30S
| 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).
Where the Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X225-30S Is Used
Variable Depth Drilling
A machining fixture requiring precise drill depth changes between batches can use the 30 mm on-site extend adjustment to set exact 195-225 mm endpoints without swapping cylinders.
Adjustable Carton Sealing
A packaging line handling varied box heights relies on the external stop screw to tune the extend stroke on the fly, ensuring consistent flap contact across different carton formats.
Tiered Pallet Positioning
An automated palletizer uses the adjustable stroke window to alter the extend position for different pallet tiers, accommodating varied load heights without reprogramming the motion controller.
Replacing the Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X225-30S with the SAIJ80X225-30S
To replace the discontinued SIJ80X225-30S, order the direct replacement SAIJ80X225-30S, reusing your existing FA, LB, or TC ISO 15552 mounts. The 30 mm adjust window lets you tune the extend end-position between 195 and 225 mm without shims. The -S suffix means a magnet is present for legacy CS1-B/DS1-B switches. For strokes at or over 300 mm, verify side-load guiding to prevent rod binding.
Replacement checklist
- ✓ Same ISO 15552 interface → SAIJ80X225-30S
- ✓ Same bore / stroke / force
- ✓ Port/thread type (PT/G/NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Mounting reused (FA/FB/CA/CB/CR/LB/TC)
Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X225-30S FAQ
Yes, the SIJ80X225-30S is discontinued. The direct replacement is the SAIJ80X225-30S. It shares the identical ISO 15552 interface, 80 mm bore, 225 mm stroke, 30 mm adjust window, G3/8 port, and mounting options. The SAIJ features an upgraded piston seal for longer life.
The external stop screw provides a 30 mm adjustment window, allowing the extend stroke to be shortened from the 225 mm maximum down to 195 mm. The stop sets end position and is not a load lock.
Related AirTAC SAI Cylinders
Request a Quote for the SAIJ80X225-30S
Send us the quantity and destination. We confirm price, stock and lead time on the SAIJ80X225-30S replacement — usually within 7-8 hours.