This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI100AX200S, 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 SI100AX200S
The AirTAC Airtac SI100 Standard Cylinder SI100AX200S is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø100mm bore and 200mm stroke, G1/2 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI100AX200S, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ100 mm
- Stroke200 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAI100AX200S
- 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 SI100AX200S
The AirTAC SI100AX200S is a discontinued double-acting ISO 15552 profile cylinder featuring a 100mm bore, 200mm stroke, and a SUS420J2 stainless piston rod. Delivering 3927 N push force at 0.5 MPa through a G1/2 port, it is replaced by the SAI100AX200S. This direct successor matches the exact ISO 15552 mounting interface, bore, stroke, output force, and port size for seamless fixture integration.
The SAI upgrade introduces a two Y-shaped one-way piston seal for low start-up pressure and extended life. The original SI-S magnet supports legacy CS1-B/DS1-B sensors, while the SAI family expands options with SAIL, SAIF, and BSAI lock or valve variants.
Airtac SI100 Standard Cylinder SI100AX200S Technical Specifications
| Model | Airtac SI100 Standard Cylinder SI100AX200S |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI100AX200S |
| Bore size | Ø100 mm |
| Stroke | 200 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 SAI100AX200S 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 SAI100AX200S 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 SI100AX200S
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 100 | Bore size in mm. |
| ×200 | 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 SI100AX200S Is Used
Heavy-Duty Pressing
Ideal for applying high clamping forces in automated assembly lines, utilizing the 3927 N push force at 0.5 MPa to seat bearings or form components securely.
Pallet Handling
Drives robust lifting and positioning mechanisms in packaging hubs, where the 200 kg vertical lift capacity moves heavy goods reliably.
Stainless Rod Washdown
The SUS420J2 stainless piston rod suits damp or mildly corrosive industrial environments, providing reliable actuation in food processing or material ejection.
Replacing the Airtac SI100 Standard Cylinder SI100AX200S with the SAI100AX200S
To replace the SI100AX200S, order the SAI100AX200S. Verify the ISO 15552 mounting interface, 100mm bore, 200mm stroke, G1/2 port (PT/G/NPT thread options), and the -S magnet for current AirTAC switches. The -A rod denotes SUS420J2 stainless steel; default is carbon steel, with SUS304 available. Sizing both ways: a neighbouring 80mm bore yields 2513 N push at 0.5 MPa, while the 125mm bore yields 6136 N. A plain cylinder drifts on air loss—the cushion only decelerates—so use an external rod lock, pilot check valve, or the SAIL/BSAI lock variant for held loads. At 200mm stroke, side-load and rod-bending risks are minimal, but ensure proper guide alignment.
Replacement checklist
- ✓ Same ISO 15552 interface → SAI100AX200S
- ✓ 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 SI100AX200S FAQ
Yes, the AirTAC SI100AX200S is discontinued. The direct replacement is the SAI100AX200S. It is dimensionally interchangeable per ISO 15552, retaining the same 100mm bore, 200mm stroke, G1/2 port, and mounting interface. You simply order the SAI equivalent.
The G1/2 port bore delivers a push force of 3927 N and pull of 3681 N at 0.5 MPa. At 0.7 MPa push is 5497 N, and 7068 N at 0.9 MPa. The theoretical max force is 801 kgf at 1.0 MPa, with a speed range of 30-800 mm/s.
Related AirTAC SAI Cylinders
Request a Quote for the SAI100AX200S
Send us the quantity and destination. We confirm price, stock and lead time on the SAI100AX200S replacement — usually within 7-8 hours.