This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAIJ63X80-75, 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 SIJ63 Double Rod Adjustable Cylinder SIJ63X80-75
The AirTAC SIJ63 Double Rod Adjustable Cylinder SIJ63X80-75 is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø63mm bore and 80mm stroke, G3/8 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAIJ63X80-75, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ63 mm
- Stroke80 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- StatusDiscontinued → SAIJ63X80-75
- 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 SIJ63 Double Rod Adjustable Cylinder SIJ63X80-75
The AirTAC SIJ63X80-75 is a discontinued double-acting double-rod ISO 15552 adjustable-stroke cylinder. An external stop screw lets you trim the extend stroke by up to 75 mm on-site, yielding a usable 5-80 mm window from the 80 mm nominal maximum.
The direct replacement is the SAIJ63X80-75, preserving the ISO 15552 interface, force, and mountings. The SAIJ upgrade introduces a two Y-shaped one-way piston seal for lower start-up pressure and longer life. The stop screw sets end position but is not a load lock; use SAIL or BSAI for held loads.
Airtac SIJ63 Double Rod Adjustable Cylinder SIJ63X80-75 Technical Specifications
| Model | Airtac SIJ63 Double Rod Adjustable Cylinder SIJ63X80-75 |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAIJ63X80-75 |
| Bore size | Ø63 mm |
| Stroke | 80 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| Rod thread | M16×1.5 |
| 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, 30 mm |
| Max standard stroke | Up to 1500 mm |
Specifications follow the official AirTAC SI datasheet (now discontinued). The SAIJ63X80-75 carries the same ISO 15552 ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
Theoretical Output Force (Ø63mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1559 N | 1402 N |
| 0.7 MPa | 2182 N | — |
| Max (@1.0 MPa) | 318 kgf | |
The SAIJ63X80-75 produces the same force from the same bore. Actual usable force is lower than theoretical; size with a margin.
Model Code: Airtac SIJ63 Double Rod Adjustable Cylinder SIJ63X80-75
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 63 | Bore size in mm. |
| ×80 | 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 SIJ63 Double Rod Adjustable Cylinder SIJ63X80-75 Is Used
Adjustable Transfer Stops
Tune the extend stroke on packaging lines to handle varying box sizes, using the G3/8 port and 30 mm cushions to decelerate the 80 mm stroke smoothly.
Custom Position Diverters
Sorter gates requiring field-adjustable reach benefit from the 75 mm trim window, setting precise end positions for different product lanes on the fly.
Replacing the Airtac SIJ63 Double Rod Adjustable Cylinder SIJ63X80-75 with the SAIJ63X80-75
To replace the discontinued SIJ63X80-75, order the direct replacement SAIJ63X80-75, reusing your FA, LB, or TC ISO 15552 mounts. The 75 mm adjust window is ideal for field tuning the 5-80 mm extend. This non-magnetic SKU cannot take a switch; add a -S model for legacy CS1-B/DS1-B sensors. For strokes >=300 mm, guide the side-load. Remember, the stop sets position but does not lock; drift occurs without live air.
Replacement checklist
- ✓ Same ISO 15552 interface → SAIJ63X80-75
- ✓ Same bore / stroke / force
- ✓ Port/thread type (PT/G/NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Mounting reused (FA/FB/CA/CB/CR/LB/TC)
Airtac SIJ63 Double Rod Adjustable Cylinder SIJ63X80-75 FAQ
Yes, the SIJ63X80-75 is discontinued. The direct replacement is the SAIJ63X80-75, which shares the identical ISO 15552 interface, 63 mm bore, 80 mm nominal stroke, 75 mm adjust window, G3/8 port, and mountings.
The external stop screw shortens the extend stroke by up to 75 mm, giving a usable 5-80 mm window. The stop sets end position and is not a load lock.
Related AirTAC SAI Cylinders
Request a Quote for the SAIJ63X80-75
Send us the quantity and destination. We confirm price, stock and lead time on the SAIJ63X80-75 replacement — usually within 7-8 hours.