This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAIJ32X100-50S, 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 SIJ32 Double Rod Adjustable Cylinder SIJ32X100-50S
The AirTAC SIJ32 Double Rod Adjustable Cylinder SIJ32X100-50S is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø32mm bore and 100mm stroke, G1/8 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAIJ32X100-50S, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ32 mm
- Stroke100 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- StatusDiscontinued → SAIJ32X100-50S
- 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 SIJ32 Double Rod Adjustable Cylinder SIJ32X100-50S
The AirTAC SIJ32X100-50S is a double-acting double-rod ISO 15552 adjustable-stroke cylinder with a 32 mm bore, G1/8 port, and M10x1.25 rod thread. This discontinued model features an external stop screw that lets you trim the extend stroke by up to 50 mm on-site, giving a usable extend range of 50-100 mm from the 100 mm nominal maximum. The -S suffix denotes a built-in piston magnet for legacy CS1-B/DS1-B reed switches.
The direct replacement is the SAIJ32X100-50S, retaining the same interface, force, and adjustability. The SAIJ upgrade introduces an improved two Y-shaped one-way piston seal for lower start-up pressure and longer life. Note that the external stop sets end position but is not a load lock; for held loads use SAIL/BSAI or an external rod lock.
Airtac SIJ32 Double Rod Adjustable Cylinder SIJ32X100-50S Technical Specifications
| Model | Airtac SIJ32 Double Rod Adjustable Cylinder SIJ32X100-50S |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAIJ32X100-50S |
| Bore size | Ø32 mm |
| Stroke | 100 mm |
| Acting type | Double acting |
| Port size | G1/8 |
| Rod thread | M10×1.25 |
| 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, 27 mm |
| Max standard stroke | Up to 1000 mm |
Specifications follow the official AirTAC SI datasheet (now discontinued). The SAIJ32X100-50S carries the same ISO 15552 ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
Theoretical Output Force (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 kgf | |
The SAIJ32X100-50S produces the same force from the same bore. Actual usable force is lower than theoretical; size with a margin.
Model Code: Airtac SIJ32 Double Rod Adjustable Cylinder SIJ32X100-50S
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 32 | Bore size in mm. |
| ×100 | 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 SIJ32 Double Rod Adjustable Cylinder SIJ32X100-50S Is Used
Adjustable End-Stop Pressing
Dialing in the exact 50-100 mm extend position on-site for light pressing tasks without machining custom spacers or replacing the cylinder.
Variable Length Diverter
Tuning a diverter arm's reach on a packaging line to handle changing carton widths, using the external stop to set the precise extend endpoint.
Flexible End-of-Line Stops
Adjusting a pneumatic stop gate in a warehouse conveyor to accommodate different pallet depths by trimming the extend stroke up to 50 mm.
Replacing the Airtac SIJ32 Double Rod Adjustable Cylinder SIJ32X100-50S with the SAIJ32X100-50S
To replace the discontinued SIJ32X100-50S, specify SAIJ32X100-50S directly—it is a direct match for the ISO 15552 dimensions, G1/8 port, 50 mm adjust window, and -S magnet. Choose the 50 mm adjust window if your end position requires on-site tuning between 50 and 100 mm. Mounting choices include Basic, FA, LB, and TC brackets. The -S magnet supports legacy CS1-B/DS1-B sensors (current AirTAC switches on the SAIJ). For this 100 mm stroke, side-load is minimal, but for strokes >=300 mm ensure guide alignment to prevent rod binding.
Replacement checklist
- ✓ Same ISO 15552 interface → SAIJ32X100-50S
- ✓ Same bore / stroke / force
- ✓ Port/thread type (PT/G/NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Mounting reused (FA/FB/CA/CB/CR/LB/TC)
Airtac SIJ32 Double Rod Adjustable Cylinder SIJ32X100-50S FAQ
Yes, the SIJ32X100-50S is discontinued. The direct replacement is the SAIJ32X100-50S. It shares the same ISO 15552 mounting interface, 32 mm bore, 100 mm nominal stroke, 50 mm adjust window, G1/8 port, and -S magnet. The SAIJ features 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 50 mm on-site, yielding a usable extend range of 50-100 mm. The stop sets end position only; it is not a load lock.
Related AirTAC SAI Cylinders
Request a Quote for the SAIJ32X100-50S
Send us the quantity and destination. We confirm price, stock and lead time on the SAIJ32X100-50S replacement — usually within 7-8 hours.