This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI100BX950SH, 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 SI100 Standard Cylinder SI100BX950SH
The AirTAC Airtac SI100 Standard Cylinder SI100BX950SH is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø100mm bore and 950mm stroke, G1/2 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI100BX950SH, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ100 mm
- Stroke950 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAI100BX950SH
- 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 SI100 Standard Cylinder SI100BX950SH
The AirTAC SI100BX950SH is a discontinued double-acting ISO 15552 profile cylinder with a 100 mm bore, 950 mm stroke, SUS304 stainless rod, piston magnet, and Viton H high-temperature seals. Delivering 3927 N push and 3681 N pull at 0.5 MPa, it is replaced by the SAI100BX950SH. This direct successor shares the exact G1/2 port, M20x1.5 thread, and ISO 15552 mounting interface for seamless fixture integration.
The SAI upgrade introduces a two-piece Y-shaped piston seal for lower start-up pressure and extended life. The Viton H seal supports 0-150 C environments. Note that standard cylinders drift without live air; use the SAIL or BSAI lock variants for load holding.
Airtac SI100 Standard Cylinder SI100BX950SH Technical Specifications
| Model | Airtac SI100 Standard Cylinder SI100BX950SH |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI100BX950SH |
| Bore size | Ø100 mm |
| Stroke | 950 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| Rod thread | M20×1.5 |
| 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, 36 mm |
| Max standard stroke | Up to 1500 mm |
Specifications follow the official AirTAC SI datasheet (now discontinued). The SAI100BX950SH carries the same ISO 15552 ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
Theoretical Output Force (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 kgf | |
The SAI100BX950SH produces the same force from the same bore. Actual usable force is lower than theoretical; size with a margin.
Model Code: Airtac SI100 Standard Cylinder SI100BX950SH
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 100 | 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 SI100 Standard Cylinder SI100BX950SH Is Used
High-Temp Actuation
Leveraging the Viton H seal option, this 100 mm bore cylinder drives heavy 3927 N motions in hot environments up to 150 C, such as molding extraction.
Long-Stroke Pressing
The 950 mm stroke excels in deep pressing or extended transfer tasks, requiring external guides to manage rod bending under the 200 kg safe load.
Corrosive Transfer
The SUS304 stainless rod makes this double-acting actuator ideal for washdown or chemical material handling where standard carbon steel rods fail.
Replacing the Airtac SI100 Standard Cylinder SI100BX950SH with the SAI100BX950SH
To replace the SI100BX950SH, order the SAI100BX950SH, confirming the ISO 15552 interface, 100 mm bore, 950 mm stroke, G1/2 port, and mounting accessory. The SAI family adds SAIL (air-released lock), SAIF (built-in 4M valve), and BSAI (clamp-lock) variants absent in the legacy line. A plain cylinder drifts on air loss—the cushion only decelerates—so specify an external rod lock or pilot check valve for suspended loads. With 3927 N push at 0.5 MPa, downsize to an 80 mm bore (2513 N) for lighter duties, or upsize if higher force is needed. The 950 mm stroke demands external guides to prevent rod bending and side-load wear. The -S magnet supports CS1-B/DS1-B switches (SAI uses current AirTAC switches), while the -B SUS304 rod and -H Viton seals suit corrosive or hot environments.
Replacement checklist
- ✓ Same ISO 15552 interface → SAI100BX950SH
- ✓ Same bore / stroke / force
- ✓ Port/thread type (PT/G/NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Mounting reused (FA/FB/CA/CB/CR/LB/TC)
Airtac SI100 Standard Cylinder SI100BX950SH FAQ
Yes, the AirTAC SI100BX950SH is discontinued. The direct replacement is the SAI100BX950SH. It features the same ISO 15552 mounting interface, 100 mm bore, 950 mm stroke, 3927 N force, and G1/2 port, fitting existing fixtures perfectly.
This double-acting cylinder has a G1/2 air port and M20x1.5 rod thread. It delivers 3927 N push and 3681 N pull at 0.5 MPa, 5497 N push at 0.7 MPa, 7068 N at 0.9 MPa, and a theoretical max of 801 kgf at 1.0 MPa.
Related AirTAC SAI Cylinders
Request a Quote for the SAI100BX950SH
Send us the quantity and destination. We confirm price, stock and lead time on the SAI100BX950SH replacement — usually within 7-8 hours.