This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAIJ100X200-50, 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 SIJ100 Double Rod Adjustable Cylinder SIJ100X200-50 is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø100mm bore and 200mm stroke, G1/2 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAIJ100X200-50, which matches its ISO interface, bore, stroke, force and mounting.
The AirTAC SIJ100X200-50 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 50 mm on-site, giving a usable 150-200 mm window from the 200 mm nominal maximum. The direct replacement is the SAIJ100X200-50, matching the interface, force, and mounting.
The SAIJ successor retains ISO 15552 mounting interchange and upgrades the piston seal to two Y-shaped one-way elements for lower start-up pressure and longer life. Note this SKU lacks a -S magnet and cannot take a sensor; the stop screw sets end position but is not a load lock.
| Model | Airtac SIJ100 Double Rod Adjustable Cylinder SIJ100X200-50 |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAIJ100X200-50 |
| Bore size | Ø100 mm |
| Stroke | 200 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| 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 SAIJ100X200-50 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 | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 kgf | |
The SAIJ100X200-50 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). |
|---|---|
| 100 | Bore size in mm. |
| ×200 | 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).
Allows operators to fine-tune the 150-200 mm extend stroke on-site for pressing bearings without swapping the entire cylinder.
Adjusts the extend stop position precisely to route different package sizes on a packaging line.
Sets a rigid external end position for pallet positioning tasks where the exact stop location varies by product run.
To replace the discontinued SIJ100X200-50, order the direct replacement SAIJ100X200-50, which preserves the 200 mm stroke, 50 mm adjust window, and G1/2 port. Choose the 50 mm adjust window if your extend stroke needs field tuning between 150 and 200 mm. Mounting options include FA, LB, and TC brackets. As this SKU lacks the -S magnet, it cannot support legacy CS1-B/DS1-B sensors. For stroke lengths of 300 mm or greater, verify your side-load limits to prevent guide wear.
Replacement checklist
Yes, the SIJ100X200-50 is discontinued. The direct replacement is the SAIJ100X200-50, offering the same ISO 15552 interface, 100 mm bore, 200 mm stroke, 50 mm adjust window, and G1/2 port.
The external stop screw window is 50 mm, allowing you to trim the extend stroke from 200 mm down to 150 mm on-site. The stop sets end position but is not a load lock.
Send us the quantity and destination. We confirm price, stock and lead time on the SAIJ100X200-50 replacement — usually within 7-8 hours.