This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAIJ32X500-75, 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 SIJ32X500-75
The AirTAC SIJ32 Double Rod Adjustable Cylinder SIJ32X500-75 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 SAIJ32X500-75, 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 → SAIJ32X500-75
- 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 SIJ32X500-75
The AirTAC SIJ32X500-75 is a double-acting double-rod ISO 15552 adjustable-stroke cylinder with a 32 mm bore and 500 mm nominal stroke. An external stop screw lets you trim the extend stroke by up to 75 mm on-site, yielding a usable 425-500 mm window. This SIJ model is discontinued; the direct replacement is the SAIJ32X500-75, sharing the same interface, force, and mounting.
The SAIJ upgrade introduces a two Y-shaped one-way piston seal for lower start-up pressure and longer life. Note this non-magnetic SKU cannot take a switch. The stop screw sets end position but is not a load lock; for held loads use an external rod lock or SAIL/BSAI variant.
Airtac SIJ32 Double Rod Adjustable Cylinder SIJ32X500-75 Technical Specifications
| Model | Airtac SIJ32 Double Rod Adjustable Cylinder SIJ32X500-75 |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAIJ32X500-75 |
| 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 SAIJ32X500-75 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 SAIJ32X500-75 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 SIJ32X500-75
| 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 SIJ32X500-75 Is Used
Adjustable End-Stop Machining
Dialing in the exact extend position on a light-duty machining fixture where trimming the stroke by up to 75 mm on-site avoids machining custom spacers.
Variable-Length Reject Divert
Rejecting varying product lengths on a line by tuning the extend stroke window from 425 to 500 mm without swapping the entire cylinder body.
Pallet Positioning Stop
Acting as a movable end stop for pallets, allowing on-site stroke adjustments to accommodate different pallet depths while maintaining a hard mechanical stop.
Replacing the Airtac SIJ32 Double Rod Adjustable Cylinder SIJ32X500-75 with the SAIJ32X500-75
To replace the discontinued SIJ32X500-75, order the direct replacement SAIJ32X500-75, keeping the 32 mm bore, 500 mm stroke, 75 mm adjust window, and G1/8 port. Choose the 75 mm adjust window if your extend stroke needs on-site tuning between 425-500 mm. Mounting options include FA, LB, and TC brackets. Because this SKU lacks the -S suffix, it cannot accept a magnetic switch. For the 500 mm stroke, ensure external guides to prevent rod bending under side loads.
Replacement checklist
- ✓ Same ISO 15552 interface → SAIJ32X500-75
- ✓ 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 SIJ32X500-75 FAQ
Yes, the SIJ32X500-75 is discontinued. The direct replacement is the SAIJ32X500-75, which shares the same ISO 15552 interface, 32 mm bore, 500 mm stroke, 75 mm adjust window, G1/8 port, and mounting options.
The external stop screw allows trimming the extend stroke by up to 75 mm on-site, yielding a 425-500 mm usable window. The stop sets end position only; it is not a load lock.
Related AirTAC SAI Cylinders
Request a Quote for the SAIJ32X500-75
Send us the quantity and destination. We confirm price, stock and lead time on the SAIJ32X500-75 replacement — usually within 7-8 hours.