This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAIJ32X500-50, 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 SIJ32X500-50
The AirTAC SIJ32 Double Rod Adjustable Cylinder SIJ32X500-50 is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø32mm bore and 500mm stroke, G1/8 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAIJ32X500-50, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ32 mm
- Stroke500 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- StatusDiscontinued → SAIJ32X500-50
- 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 SIJ32X500-50
The AirTAC SIJ32X500-50 is a discontinued double-acting double-rod ISO 15552 adjustable-stroke cylinder with a 32 mm bore and 500 mm maximum stroke. An external stop screw lets you trim the extend stroke by up to 50 mm on-site, yielding a usable 450-500 mm extension. It features a 12 mm rod, M10x1.25 thread, 27 mm adjustable cushions, and a G1/8 port. This SKU has no -S magnet and cannot accept a magnetic switch.
As SIJ is end-of-life, the direct replacement is the SAIJ32X500-50, retaining the same interface, force, and adjust window. The SAIJ upgrade introduces a two Y-shaped one-way piston seal for low start-up pressure and long life. The stop sets end position only; it is not a load lock.
Airtac SIJ32 Double Rod Adjustable Cylinder SIJ32X500-50 Technical Specifications
| Model | Airtac SIJ32 Double Rod Adjustable Cylinder SIJ32X500-50 |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAIJ32X500-50 |
| Bore size | Ø32 mm |
| Stroke | 500 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 SAIJ32X500-50 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 SAIJ32X500-50 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 SIJ32X500-50
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 32 | 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 SIJ32 Double Rod Adjustable Cylinder SIJ32X500-50 Is Used
Adjustable Pusher Stops
Tuning the extend stroke by up to 50 mm on-site allows a 32 mm bore pusher to accommodate varying product widths without remounting the cylinder.
Transfer Lane Diverter
Field-trimming the 500 mm extension ensures a diverter gate meets the exact lane edge, compensating for frame tolerances during installation.
Pallet Positioning Pin
The external stop screw sets the precise insert depth for a locating pin, allowing 50 mm of flexibility for different pallet heights.
Replacing the Airtac SIJ32 Double Rod Adjustable Cylinder SIJ32X500-50 with the SAIJ32X500-50
To replace the SIJ32X500-50, order the direct replacement SAIJ32X500-50, reusing your existing FA, LB, or TC ISO 15552 mounts. The 50 mm adjust window is ideal for final positional tuning without machining. Because this is a non-magnetised SKU, you cannot fit legacy CS1-B/DS1-B sensors. Note that at 500 mm stroke, side-load and rod-bending risks are high; use external guides to prevent premature seal wear. The stop screw merely sets the end position—it is not a lock. For held loads without live air, use an external rod lock or pilot-operated check valve, or specify the SAIL/BSAI lock variant.
Replacement checklist
- ✓ Same ISO 15552 interface → SAIJ32X500-50
- ✓ 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 SIJ32X500-50 FAQ
Yes, the SIJ32X500-50 is discontinued. The direct replacement is the SAIJ32X500-50, which shares the identical ISO 15552 interface, 32 mm bore, 500 mm stroke, 50 mm adjust window, G1/8 port, and mounting options. The SAIJ family also features an upgraded two Y-shaped one-way piston seal.
The external stop screw allows you to shorten the extend stroke by up to 50 mm on-site, giving a usable extension range of 450-500 mm. The stop sets end position and is not a load lock.
Related AirTAC SAI Cylinders
Request a Quote for the SAIJ32X500-50
Send us the quantity and destination. We confirm price, stock and lead time on the SAIJ32X500-50 replacement — usually within 7-8 hours.