This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAIJ100X30-20S, 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 SIJ100X30-20S
The AirTAC SIJ100 Double Rod Adjustable Cylinder SIJ100X30-20S 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 SAIJ100X30-20S, 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 → SAIJ100X30-20S
- 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 SIJ100X30-20S
The AirTAC SIJ100X30-20S 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 20 mm on-site, yielding a usable 10-30 mm stroke from the 30 mm nominal maximum. The direct replacement is the SAIJ100X30-20S, preserving the original interface, force, and mounting.
The SAIJ successor incorporates an upgraded two Y-shaped one-way piston seal for lower start-up pressure and longer life. The -S suffix denotes a built-in piston magnet for legacy CS1-B/DS1-B switches. Remember 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 SIJ100X30-20S Technical Specifications
| Model | Airtac SIJ100 Double Rod Adjustable Cylinder SIJ100X30-20S |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAIJ100X30-20S |
| 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 SAIJ100X30-20S 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 SAIJ100X30-20S 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 SIJ100X30-20S
| 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 SIJ100X30-20S Is Used
Short-Stroke Clamping
Ideal for clamping varied part thicknesses where the 20 mm stop screw precisely tunes the extend stroke from 10 to 30 mm on the fly.
Transfer Diverter
Provides adjustable product diverting on a conveyor, allowing operators to dial in the exact 10-30 mm extension needed for different package sizes.
End-Position Testing
Useful in test fixtures where the external stop sets a specific end position to verify component tolerance without reprogramming pneumatic valves.
Replacing the Airtac SIJ100 Double Rod Adjustable Cylinder SIJ100X30-20S with the SAIJ100X30-20S
To replace the discontinued SIJ100X30-20S, order the exact direct replacement SAIJ100X30-20S, which maintains the 100 mm bore, 30 mm nominal stroke, 20 mm adjust window, G1/2 port, and ISO 15552 mounting. Choose the 20 mm adjust window if your application requires field-tuning the extend stroke down to 10 mm without mechanical remounting. Mounting options include Basic, FA, LB, and TC. The -S magnet supports legacy CS1-B/DS1-B switches. Because the nominal stroke is 30 mm (under 300 mm), side-load rod deflection is minimal, but ensure rigid guidance for the 200 kg vertical lift capacity.
Replacement checklist
- ✓ Same ISO 15552 interface → SAIJ100X30-20S
- ✓ 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 SIJ100X30-20S FAQ
Yes, the SIJ100X30-20S is discontinued. The direct replacement is the SAIJ100X30-20S. It shares the same ISO 15552 interface, 100 mm bore, 30 mm stroke, 20 mm adjust window, G1/2 port, and mounting, but adds an upgraded piston seal.
The external stop screw window is 20 mm, allowing you to trim the extend stroke from the 30 mm nominal maximum down to 10 mm. The stop sets end position only and does not lock the load.
Related AirTAC SAI Cylinders
Request a Quote for the SAIJ100X30-20S
Send us the quantity and destination. We confirm price, stock and lead time on the SAIJ100X30-20S replacement — usually within 7-8 hours.