This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAIJ100X50-10, 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.
Airtac SIJ100 Double Rod Adjustable Cylinder SIJ100X50-10
The AirTAC SIJ100 Double Rod Adjustable Cylinder SIJ100X50-10 is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø100mm bore and 50mm stroke, G1/2 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAIJ100X50-10, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ100 mm
- Stroke50 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAIJ100X50-10
- 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 SIJ100 Double Rod Adjustable Cylinder SIJ100X50-10
The AirTAC SIJ100X50-10 is a discontinued double-acting double-rod ISO 15552 adjustable-stroke cylinder with a 100mm bore and 50mm maximum stroke. An external stop screw lets you trim the extend stroke by up to 10mm on-site, yielding a usable 40-50mm extension window. The stop sets the end position but is not a load lock; loads drift on air loss. The direct replacement is the SAIJ100X50-10, matching the G1/2 port, M20x1.5 rod thread, and 36mm adjustable cushions.
The SAIJ upgrade uses two Y-shaped one-way piston seals for lower start-up pressure and longer life. This non-magnetic SKU cannot take a switch.
Airtac SIJ100 Double Rod Adjustable Cylinder SIJ100X50-10 Technical Specifications
| Model | Airtac SIJ100 Double Rod Adjustable Cylinder SIJ100X50-10 |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAIJ100X50-10 |
| Bore size | Ø100 mm |
| Stroke | 50 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 SAIJ100X50-10 carries the same ISO 15552 ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
Theoretical Output Force (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 kgf | |
The SAIJ100X50-10 produces the same force from the same bore. Actual usable force is lower than theoretical; size with a margin.
Model Code: Airtac SIJ100 Double Rod Adjustable Cylinder SIJ100X50-10
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 100 | Bore size in mm. |
| ×50 | 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 SIJ100 Double Rod Adjustable Cylinder SIJ100X50-10 Is Used
Press Fit Tuning
Trimming the extend stroke by up to 10mm on-site allows operators to dial in the exact insertion depth for bearings without machining custom spacers.
Variable Height Sealing
Adjusting the extend end position accommodates minor fluctuations in carton thickness, ensuring consistent sealing pressure across batches.
End-Stop Calibration
The external stop screw provides a mechanical hard stop to set the precise 40-50mm extend position for locating fixtures, independent of pneumatic pressure fluctuations.
Replacing the Airtac SIJ100 Double Rod Adjustable Cylinder SIJ100X50-10 with the SAIJ100X50-10
To replace the discontinued SIJ100X50-10, order the direct replacement SAIJ100X50-10, keeping the identical ISO 15552 mounting interface, 50mm nominal stroke, and 10mm adjust window. Select the 10mm adjust window if you need precise on-site end-position tuning between 40mm and 50mm. Mounting attachments (FA, LB, TC) reuse the existing ISO 15552 interface. Because this SKU lacks the -S magnet, it cannot accept legacy CS1-B/DS1-B sensors. For stroke lengths over 300mm, verify guide tolerances to prevent side-load wear. For load-holding without live air, use an external rod lock or pilot-operated check valve, as the stop screw is not a brake.
Replacement checklist
- ✓ Same ISO 15552 interface → SAIJ100X50-10
- ✓ Same bore / stroke / force
- ✓ Port/thread type (PT/G/NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Mounting reused (FA/FB/CA/CB/CR/LB/TC)
Airtac SIJ100 Double Rod Adjustable Cylinder SIJ100X50-10 FAQ
Yes, the SIJ100X50-10 is discontinued. The direct replacement is the SAIJ100X50-10. It shares the same ISO 15552 interface, 100mm bore, 50mm stroke, 10mm adjust window, G1/2 port, and mounting options, while adding an upgraded Y-shaped piston seal.
The external stop screw provides a 10mm adjustment window, shortening the 50mm nominal extend stroke down to 40mm. The port is G1/2.
Related AirTAC SAI Cylinders
Request a Quote for the SAIJ100X50-10
Send us the quantity and destination. We confirm price, stock and lead time on the SAIJ100X50-10 replacement — usually within 7-8 hours.