This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAIJ32X150-20S, 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 SIJ32 Double Rod Adjustable Cylinder SIJ32X150-20S
The AirTAC SIJ32 Double Rod Adjustable Cylinder SIJ32X150-20S is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø32mm bore and 150mm stroke, G1/8 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAIJ32X150-20S, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ32 mm
- Stroke150 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- StatusDiscontinued → SAIJ32X150-20S
- 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 SIJ32 Double Rod Adjustable Cylinder SIJ32X150-20S
The AirTAC SIJ32X150-20S is a double-acting double-rod ISO 15552 adjustable-stroke cylinder, now discontinued. Its external stop screw lets you trim the extend stroke by up to 20 mm on-site, yielding a usable 130-150 mm extension out of the 150 mm nominal maximum. The stop sets the end position but is not a load lock.
The direct replacement is the SAIJ32X150-20S, matching the ISO 15552 mounting interface, bore, stroke, force, and port. The SAIJ upgrade uses a two Y-shaped one-way piston seal for lower start-up pressure and longer life. The -S suffix indicates a piston magnet for CS1-B/DS1-B switches.
Airtac SIJ32 Double Rod Adjustable Cylinder SIJ32X150-20S Technical Specifications
| Model | Airtac SIJ32 Double Rod Adjustable Cylinder SIJ32X150-20S |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAIJ32X150-20S |
| Bore size | Ø32 mm |
| Stroke | 150 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 SAIJ32X150-20S 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 SAIJ32X150-20S 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 SIJ32X150-20S
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 32 | Bore size in mm. |
| ×150 | 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 SIJ32X150-20S Is Used
Diverter Gate Positioning
Trimming the extend stroke by up to 20 mm on-site allows precise gate positioning without machining spacers.
Package Pusher Adjustment
Tuning the 150 mm extend stroke to match varying carton sizes directly at the conveyor lane.
Light Clamping Stops
Setting a specific 130 mm extend endpoint to clamp delicate parts without bottoming out the cylinder.
Replacing the Airtac SIJ32 Double Rod Adjustable Cylinder SIJ32X150-20S with the SAIJ32X150-20S
To replace the discontinued SIJ32X150-20S, order the direct replacement SAIJ32X150-20S; it preserves the 150 mm stroke, 20 mm adjust window, G1/8 port, and ISO 15552 mounting. Choose the 20 mm adjust window if you need to fine-tune the extend stroke between 130 and 150 mm on-site. Mounting options include FA, LB, and TC brackets. The -S magnet supports legacy CS1-B/DS1-B switches. For strokes of 300 mm or longer, verify side-load limits to prevent excessive guide wear. A plain cylinder does not hold loads on air loss; use an external rod lock or SAIL/BSAI variant for held loads.
Replacement checklist
- ✓ Same ISO 15552 interface → SAIJ32X150-20S
- ✓ Same bore / stroke / force
- ✓ Port/thread type (PT/G/NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Mounting reused (FA/FB/CA/CB/CR/LB/TC)
Airtac SIJ32 Double Rod Adjustable Cylinder SIJ32X150-20S FAQ
Yes, the SIJ32X150-20S is discontinued. The direct replacement is the SAIJ32X150-20S, which shares the same ISO 15552 interface, 32 mm bore, 150 mm stroke, 20 mm adjust window, and G1/8 port.
The external stop screw window is 20 mm, allowing the extend stroke to be shortened from 150 mm down to 130 mm. The stop sets end position and is not a load lock.
Related AirTAC SAI Cylinders
Request a Quote for the SAIJ32X150-20S
Send us the quantity and destination. We confirm price, stock and lead time on the SAIJ32X150-20S replacement — usually within 7-8 hours.