This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAIJ100X500-30S, 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 SIJ100X500-30S
The AirTAC SIJ100 Double Rod Adjustable Cylinder SIJ100X500-30S is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø100mm bore and 500mm stroke, G1/2 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAIJ100X500-30S, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ100 mm
- Stroke500 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAIJ100X500-30S
- 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 SIJ100X500-30S
The AirTAC SIJ100X500-30S is a discontinued double-acting, double-rod ISO 15552 adjustable-stroke cylinder with a 100mm bore and 500mm nominal stroke. An external stop screw lets you trim the extend stroke by up to 30mm on-site, yielding a usable 470-500mm stroke. The direct replacement is the SAIJ100X500-30S, retaining the G1/2 port, M20x1.5 rod thread, and 36mm cushions.
The SAIJ upgrade introduces an upgraded two Y-shaped one-way piston seal for lower start-up pressure and longer life. The stop screw sets the end position but is not a load lock; use SAIL or BSAI variants for held loads.
Airtac SIJ100 Double Rod Adjustable Cylinder SIJ100X500-30S Technical Specifications
| Model | Airtac SIJ100 Double Rod Adjustable Cylinder SIJ100X500-30S |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAIJ100X500-30S |
| Bore size | Ø100 mm |
| Stroke | 500 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 SAIJ100X500-30S 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 SAIJ100X500-30S 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 SIJ100X500-30S
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 100 | Bore size in mm. |
| ×500 | 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 SIJ100X500-30S Is Used
Press Fit Tuning
Final press-in depth for bearings requires field adjustment. Trim the extend stroke up to 30mm on-site to set the exact 470-500mm insertion point without swapping cylinders.
Variable Length Diverter
A sorting gate needs to alter its reach for mixed package sizes. The external stop screw allows rapid extend-stroke tuning to accommodate varying box dimensions on the line.
Adjustable Forming Stop
Packaging machines forming varied carton depths benefit from the 470-500mm usable stroke window, letting operators dial in the exact flap folding position quickly.
Replacing the Airtac SIJ100 Double Rod Adjustable Cylinder SIJ100X500-30S with the SAIJ100X500-30S
To replace the discontinued SIJ100X500-30S, order the direct replacement SAIJ100X500-30S, which preserves the ISO 15552 mounting interface, 500mm stroke, 30mm adjust window, and G1/2 port. Choose the 30mm adjust window if your extend target sits between 470-500mm. Mounting options include FA, LB, and TC brackets. The -S suffix means a piston magnet is present for legacy CS1-B/DS1-B switches (the SAIJ uses current switches). Because the 500mm stroke exceeds 300mm, account for side-load and rod-bending by using external guides to prevent premature wear.
Replacement checklist
- ✓ Same ISO 15552 interface → SAIJ100X500-30S
- ✓ 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 SIJ100X500-30S FAQ
Yes, the SIJ100X500-30S is discontinued. The direct replacement is the SAIJ100X500-30S. It shares the same ISO 15552 interface, 100mm bore, 500mm stroke, 30mm adjust window, G1/2 port, and mounting options, but features an upgraded piston seal for longer life.
The external stop screw provides a 30mm adjust window, shortening the 500mm nominal extend stroke to a minimum of 470mm. The stop sets end position and is not a load lock.
Related AirTAC SAI Cylinders
Request a Quote for the SAIJ100X500-30S
Send us the quantity and destination. We confirm price, stock and lead time on the SAIJ100X500-30S replacement — usually within 7-8 hours.