This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI100AX95S, 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 SI100AX95S
The AirTAC Airtac SI100 Standard Cylinder SI100AX95S is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø100mm bore and 95mm stroke, G1/2 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI100AX95S, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ100 mm
- Stroke95 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAI100AX95S
- 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 SI100AX95S
The AirTAC SI100AX95S is a discontinued double-acting ISO 15552 profile cylinder with a 100 mm bore and 95 mm stroke. It delivers 3927 N push force at 0.5 MPa. The direct replacement is the SAI100AX95S, which matches the interface, port, and force. This unit features a SUS420J2 stainless steel rod and a piston magnet for CS1-B/DS1-B sensors.
The SAI upgrade utilizes two Y-shaped one-way piston seals for lower start-up pressure and longer life. For load holding, note that a standard cylinder drifts without air; use an external rod lock or pilot check valve. The SAI family also adds SAIL, SAIF, and BSAI lock variants.
Airtac SI100 Standard Cylinder SI100AX95S Technical Specifications
| Model | Airtac SI100 Standard Cylinder SI100AX95S |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI100AX95S |
| Bore size | Ø100 mm |
| Stroke | 95 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 SAI100AX95S 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 SAI100AX95S 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 SI100AX95S
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 100 | Bore size in mm. |
| ×95 | 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 SI100AX95S Is Used
Heavy-Duty Pressing
Applies 3927 N of thrust at 0.5 MPa for seating bearings and assembling heavy mechanical components.
Pallet Handling
Moves loaded pallets in distribution centers using the 95 mm stroke and robust 100 mm bore profile.
Replacing the Airtac SI100 Standard Cylinder SI100AX95S with the SAI100AX95S
To replace the SI100AX95S, order the SAI100AX95S. Verify the ISO 15552 mounting dimensions, G1/2 port, M20x1.5 rod thread, and the -S magnet for current AirTAC switches. If downsizing, an 80 mm bore yields 2513 N at 0.5 MPa; if upsizing, a 125 mm bore provides 6136 N. For load holding on air loss, the cushion only decelerates, so specify an external pilot check valve or the SAIL/BSAI lock variant. The 95 mm stroke is under 300 mm, so rod bending is minimal, but ensure straight alignment to maximize seal life.
Replacement checklist
- ✓ Same ISO 15552 interface → SAI100AX95S
- ✓ 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 SI100AX95S FAQ
Yes, the SI100AX95S is discontinued. The direct replacement is the SAI100AX95S. It is dimensionally interchangeable per ISO 15552, retaining the same 100 mm bore, 95 mm stroke, G1/2 port, and mounting interface.
The bore is 100 mm with a G1/2 air port. At 0.5 MPa it pushes 3927 N and pulls 3681 N. At 0.7 MPa it pushes 5497 N, and 7068 N at 0.9 MPa. The theoretical max force is 801 kgf at 1.0 MPa.
Related AirTAC SAI Cylinders
Request a Quote for the SAI100AX95S
Send us the quantity and destination. We confirm price, stock and lead time on the SAI100AX95S replacement — usually within 7-8 hours.