This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAIJ80X250-100, 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 SIJ80X250-100
The AirTAC SIJ80 Dual Axis Adjustable Cylinder SIJ80X250-100 is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø80mm bore and 250mm stroke, G3/8 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAIJ80X250-100, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ80 mm
- Stroke250 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAIJ80X250-100
- 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 SIJ80X250-100
The AirTAC SIJ80X250-100 is a discontinued double-acting double-rod ISO 15552 adjustable-stroke cylinder with an 80mm bore and 250mm nominal stroke. An external stop screw lets you trim the extend stroke by up to 100mm on-site, yielding a usable 150-250mm window. The direct replacement is the SAIJ80X250-100, matching the bore, force, and mounting.
The SAIJ upgrade uses a two Y-shaped one-way piston seal for low start-up pressure and long life. Note this SKU lacks a magnet (-S) so it cannot take a switch; the stop sets end position but is not a load lock.
Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X250-100 Technical Specifications
| Model | Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X250-100 |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAIJ80X250-100 |
| Bore size | Ø80 mm |
| Stroke | 250 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 SAIJ80X250-100 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 SAIJ80X250-100 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 SIJ80X250-100
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 80 | Bore size in mm. |
| ×250 | 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 SIJ80X250-100 Is Used
Variable-depth machining stops
Adjusts the extend stroke on-site to set precise material contact depths without re-mounting the actuator.
Variable-length sorting diverters
Tunes the pusher extension window to handle varying package widths directly at the line.
Adjustable pallet stops
Shortens the extend stroke on-site to accommodate different pallet footprints in dynamic cells.
Replacing the Airtac SIJ80 Dual Axis Adjustable Cylinder SIJ80X250-100 with the SAIJ80X250-100
To replace the discontinued SIJ80X250-100, order the direct replacement SAIJ80X250-100 to reuse the ISO 15552 mounting interface (Basic, FA, LB, TC). Choose the 100mm adjust window if your field stroke tuning requires trimming the 250mm maximum extend down to 150mm. Because this SKU has no -S magnet, it cannot accept legacy CS1-B/DS1-B sensors. For strokes >=300mm, verify guide tolerances to manage side-load. The stop screw sets end position only; for load holding on air loss, use an external rod lock or SAIL/BSAI variant.
Replacement checklist
- ✓ Same ISO 15552 interface → SAIJ80X250-100
- ✓ 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 SIJ80X250-100 FAQ
Yes, the SIJ80X250-100 is discontinued. The direct replacement is the SAIJ80X250-100, which matches the ISO 15552 interface, 80mm bore, 250mm stroke, 100mm adjust window, and G3/8 port.
The external stop screw window is 100mm, allowing you to trim the 250mm maximum extend stroke down to 150mm on-site. The stop sets end position and is not a load lock.
Related AirTAC SAI Cylinders
Request a Quote for the SAIJ80X250-100
Send us the quantity and destination. We confirm price, stock and lead time on the SAIJ80X250-100 replacement — usually within 7-8 hours.