This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAIJ100X30-30S, 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 SIJ100 Double Rod Adjustable Cylinder SIJ100X30-30S
The AirTAC SIJ100 Double Rod Adjustable Cylinder SIJ100X30-30S is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø100mm bore and 30mm stroke, G1/2 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAIJ100X30-30S, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ100 mm
- Stroke30 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAIJ100X30-30S
- 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 SIJ100 Double Rod Adjustable Cylinder SIJ100X30-30S
The AirTAC SIJ100X30-30S 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 30mm on-site, giving a usable 0-30mm extend window from the 30mm nominal maximum. The bore 100mm profile barrel uses a G1/2 air port, a 25mm rod with M20x1.5 thread, and 36mm adjustable cushions at each end. The direct replacement is the SAIJ100X30-30S, which retains the same interface, bore, stroke, adjust window, and force.
The SAIJ upgrade features an improved two Y-shaped one-way piston seal for lower start-up pressure and longer life. Note the stop screw sets end position only; it is not a load lock, so use an external rod lock or SAIL/BSAI variant for held loads.
Airtac SIJ100 Double Rod Adjustable Cylinder SIJ100X30-30S Technical Specifications
| Model | Airtac SIJ100 Double Rod Adjustable Cylinder SIJ100X30-30S |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAIJ100X30-30S |
| Bore size | Ø100 mm |
| Stroke | 30 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 SAIJ100X30-30S 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 SAIJ100X30-30S 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 SIJ100X30-30S
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 100 | Bore size in mm. |
| ×30 | 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 SIJ100X30-30S Is Used
Short-Stroke Clamping
Trimming the extend stroke by up to 30mm on-site allows precise clamping of variable thickness parts without re-engineering the fixture.
Transfer Stopper Adjustment
A 0-30mm adjust window lets operators fine-tune the stopping position of workpieces on a conveyor belt directly at the machine.
Press Fit Positioning
Dialing in the exact end position via the external stop screw ensures consistent press fit depths for 100mm bore assembly operations.
Replacing the Airtac SIJ100 Double Rod Adjustable Cylinder SIJ100X30-30S with the SAIJ100X30-30S
To replace the discontinued SIJ100X30-30S, order the exact direct replacement SAIJ100X30-30S, which preserves the 30mm nominal stroke, 30mm adjust window, G1/2 port, and ISO 15552 mounting dimensions. Choose the 30mm adjust window if your application requires precise field tuning of the extend stroke within a 0-30mm range. Mounting interchange is maintained via FA, LB, or TC brackets. The -S suffix indicates a built-in piston magnet for legacy CS1-B/DS1-B switches (the SAIJ uses current AirTAC switches). Because the stroke is under 300mm, side-load rod deflection is minimal, but always confirm guiding. The external stop sets end position but does not lock the load; for air-loss holding, select an external rod lock or the SAIL/BSAI lock variant.
Replacement checklist
- ✓ Same ISO 15552 interface → SAIJ100X30-30S
- ✓ Same bore / stroke / force
- ✓ Port/thread type (PT/G/NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Mounting reused (FA/FB/CA/CB/CR/LB/TC)
Airtac SIJ100 Double Rod Adjustable Cylinder SIJ100X30-30S FAQ
Yes, the SIJ100X30-30S is discontinued. The direct replacement is the SAIJ100X30-30S. It shares the same ISO 15552 interface, 100mm bore, 30mm nominal stroke, 30mm adjust window, G1/2 port, and mounting options. The SAIJ family also adds an upgraded two Y-shaped one-way piston seal for longer life.
The external stop screw allows you to trim the extend stroke by up to 30mm on-site (usable 0-30mm window). The stop sets end position only and is not a load lock.
Related AirTAC SAI Cylinders
Request a Quote for the SAIJ100X30-30S
Send us the quantity and destination. We confirm price, stock and lead time on the SAIJ100X30-30S replacement — usually within 7-8 hours.