This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI32X950S, 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 SI32 Standard Air Cylinder SI32X950S
The AirTAC SI32 Standard Air Cylinder SI32X950S is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø32mm bore and 950mm stroke, G1/8 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI32X950S, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ32 mm
- Stroke950 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- StatusDiscontinued → SAI32X950S
- 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 SI32 Standard Air Cylinder SI32X950S
The AirTAC SI32X950S is a discontinued double-acting ISO 15552 profile cylinder featuring a 32 mm bore and 950 mm stroke. It delivers 402 N push force at 0.5 MPa, uses a G1/8 port, and includes a piston magnet for CS1-B/DS1-B sensors. AirTAC replaced this legacy unit with the SAI32X950S.
The SAI32X950S is a direct replacement retaining the exact ISO 15552 mounting interface, stroke, and output force. It upgrades the piston seal to two Y-shaped one-way elements for lower start-up pressure and longer life.
Airtac SI32 Standard Air Cylinder SI32X950S Technical Specifications
| Model | Airtac SI32 Standard Air Cylinder SI32X950S |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI32X950S |
| Bore size | Ø32 mm |
| Stroke | 950 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 SAI32X950S 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 SAI32X950S produces the same force from the same bore. Actual usable force is lower than theoretical; size with a margin.
Model Code: Airtac SI32 Standard Air Cylinder SI32X950S
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 32 | Bore size in mm. |
| ×950 | 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 SI32 Standard Air Cylinder SI32X950S Is Used
Long-Stroke Diversion
Pushes light packages across transfer lines using the 950 mm travel, relying on external guides to prevent rod bending during the extended reach.
Vertical Material Lift
Raises 20 kg payloads through vertical elevation stages, operating safely within the 241 N calculated working load margin at 0.5 MPa.
Sensor-Driven Gating
Actuates flow control gates using the integrated magnet and legacy CS1-B/DS1-B switches to confirm end-of-stroke positioning.
Replacing the Airtac SI32 Standard Air Cylinder SI32X950S with the SAI32X950S
To replace the SI32X950S, order the SAI32X950S and confirm your ISO 15552 mounting accessory (LB, FA, TC, etc.), G1/8 port thread (PT/G/NPT), and the -S magnet requirement for current AirTAC switches. If you need more force than the 32 mm bore provides, step up to the 40 mm bore (628 N push @0.5 MPa); if less space is available, drop to a smaller profile. Because the 950 mm stroke invites rod bending, use an external guide to prevent side-load damage. This plain cylinder does not hold load on air loss—the cushion only decelerates—so add a pilot check valve or explore the SAIL or BSAI lock variants for secure holding.
Replacement checklist
- ✓ Same ISO 15552 interface → SAI32X950S
- ✓ Same bore / stroke / force
- ✓ Port/thread type (PT/G/NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Mounting reused (FA/FB/CA/CB/CR/LB/TC)
Airtac SI32 Standard Air Cylinder SI32X950S FAQ
Yes, the SI32X950S is discontinued. The direct replacement is the SAI32X950S. It shares the identical ISO 15552 mounting interface, 32 mm bore, 950 mm stroke, G1/8 port, and output force, fitting directly into existing fixtures.
This 32 mm bore double-acting cylinder features a G1/8 air port and provides 402 N push / 345 N pull at 0.5 MPa, 563 N push at 0.7 MPa, 724 N push at 0.9 MPa, and a theoretical maximum of 82 kgf at 1.0 MPa. It operates at speeds of 30-800 mm/s.
Related AirTAC SAI Cylinders
Request a Quote for the SAI32X950S
Send us the quantity and destination. We confirm price, stock and lead time on the SAI32X950S replacement — usually within 7-8 hours.