This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI100BX1030S, 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 SI100BX1030S
The AirTAC Airtac SI100 Standard Cylinder SI100BX1030S is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø100mm bore and 1030mm stroke, G1/2 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI100BX1030S, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ100 mm
- Stroke1030 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAI100BX1030S
- 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 SI100BX1030S
The AirTAC SI100BX1030S is a discontinued double-acting ISO 15552 profile cylinder with a 100 mm bore and 1030 mm stroke. It delivers 3927 N push force at 0.5 MPa through a G1/2 port. The SUS304 stainless rod option provides corrosion resistance. The direct replacement is the SAI100BX1030S, matching the ISO 15552 mounting interface, stroke, force, and porting exactly.
The SAI upgrade features a two Y-shaped one-way piston seal for low start-up pressure and long life. The SAI family also introduces SAIL, SAIF, and BSAI lock variants absent in the SI line. This -S model uses legacy CS1-B/DS1-B sensors.
Airtac SI100 Standard Cylinder SI100BX1030S Technical Specifications
| Model | Airtac SI100 Standard Cylinder SI100BX1030S |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI100BX1030S |
| Bore size | Ø100 mm |
| Stroke | 1030 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 SAI100BX1030S 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 SAI100BX1030S 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 SI100BX1030S
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 100 | Bore size in mm. |
| ×1030 | 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 SI100BX1030S Is Used
Long-Stroke Material Transfer
Drives heavy pallets across extended conveyor sections, utilizing the 1030 mm stroke and 3927 N push force to index large assemblies between machining stations.
Large Part Actuation
Actuates heavy welding fixtures and large press beds, relying on the adjustable 36 mm air cushions to decelerate the 100 mm piston smoothly at stroke ends.
Replacing the Airtac SI100 Standard Cylinder SI100BX1030S with the SAI100BX1030S
To replace the SI100BX1030S, order the SAI100BX1030S. Confirm the ISO 15552 mounting accessory (LB, FA, TC, etc.), the G1/2 port thread (PT, G, or NPT), and the -S magnet for current AirTAC switches. When sizing, neighboring bores offer different forces: an 80 mm bore yields 2513 N push at 0.5 MPa, while a 125 mm bore yields 6136 N. Because this is a 1030 mm long stroke, external guides are strongly recommended to prevent rod bending and side-load damage. A plain cylinder drifts without live air; for load holding, use an external rod lock, pilot check valve, or the SAIL/BSAI lock variant.
Replacement checklist
- ✓ Same ISO 15552 interface → SAI100BX1030S
- ✓ 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 SI100BX1030S FAQ
Yes, the SI100BX1030S is discontinued. The direct replacement is the SAI100BX1030S. It is dimensionally interchangeable per ISO 15552, retaining the same 100 mm bore, 1030 mm stroke, 3927 N force, G1/2 port, and mounting interface to fit existing fixtures directly.
This double-acting cylinder features a G1/2 air port and an M20x1.5 rod thread. Force output is 3927 N push and 3681 N pull at 0.5 MPa, 5497 N push at 0.7 MPa, 7068 N push at 0.9 MPa, with a theoretical maximum of 801 kgf at 1.0 MPa.
Related AirTAC SAI Cylinders
Request a Quote for the SAI100BX1030S
Send us the quantity and destination. We confirm price, stock and lead time on the SAI100BX1030S replacement — usually within 7-8 hours.