This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI63AX10, 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 SI63 Standard Cylinder SI63AX10
The AirTAC Airtac SI63 Standard Cylinder SI63AX10 is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø63mm bore and 10mm stroke, G3/8 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI63AX10, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ63 mm
- Stroke10 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- StatusDiscontinued → SAI63AX10
- 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 SI63 Standard Cylinder SI63AX10
The AirTAC SI63AX10 is a discontinued double-acting ISO 15552 profile cylinder with a 63mm bore and 10mm stroke. It delivers 1559N push and 1402N pull at 0.5MPa, operating via a G3/8 port. The direct replacement is the SAI63AX10, which shares the exact bore, stroke, force, port, and ISO 15552 mounting interface.
The SAI upgrade introduces a two Y-shaped one-way piston seal for low start-up pressure and extended life. This SI63AX10 SKU features a SUS420J2 stainless steel rod (-A) for corrosion resistance but lacks a magnet, meaning it cannot accept position sensors.
Airtac SI63 Standard Cylinder SI63AX10 Technical Specifications
| Model | Airtac SI63 Standard Cylinder SI63AX10 |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI63AX10 |
| Bore size | Ø63 mm |
| Stroke | 10 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| Rod thread | M16×1.5 |
| 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, 30 mm |
| Max standard stroke | Up to 1500 mm |
Specifications follow the official AirTAC SI datasheet (now discontinued). The SAI63AX10 carries the same ISO 15552 ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
Theoretical Output Force (Ø63mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1559 N | 1402 N |
| 0.7 MPa | 2182 N | — |
| Max (@1.0 MPa) | 318 kgf | |
The SAI63AX10 produces the same force from the same bore. Actual usable force is lower than theoretical; size with a margin.
Model Code: Airtac SI63 Standard Cylinder SI63AX10
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 63 | Bore size in mm. |
| ×10 | 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 SI63 Standard Cylinder SI63AX10 Is Used
Short-Stroke Clamping
Ideal for holding parts during machining, utilizing the 1559N push force over a precise 10mm travel distance.
Ejector Mechanisms
Provides reliable ejection of finished components from automated fixtures using the 1402N pull force.
Corrosive Positioning
The SUS420J2 stainless rod variant excels in damp or mildly corrosive environments for shifting gates.
Replacing the Airtac SI63 Standard Cylinder SI63AX10 with the SAI63AX10
To replace the SI63AX10, order the SAI63AX10, confirming the ISO 15552 mounting interface, 63mm bore, 10mm stroke, and G3/8 port. Because this SKU lacks the -S magnet, it cannot support legacy CS1-B/DS1-B sensors; order a magnet-equipped SAI if sensing is required. The -A rod specifies SUS420J2 stainless steel over standard carbon steel. Sizing options: a 50mm bore yields 982N push at 0.5MPa, while an 80mm bore yields 2513N. Note that a plain cylinder drifts on air loss; for load holding, use an external pilot check valve or explore the SAIL or BSAI lock variants.
Replacement checklist
- ✓ Same ISO 15552 interface → SAI63AX10
- ✓ Same bore / stroke / force
- ✓ Port/thread type (PT/G/NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Mounting reused (FA/FB/CA/CB/CR/LB/TC)
Airtac SI63 Standard Cylinder SI63AX10 FAQ
Yes, the SI63AX10 is discontinued. The direct replacement is the SAI63AX10. It features the same ISO 15552 mounting interface, 63mm bore, 10mm stroke, force, and G3/8 port, fitting directly into existing fixtures.
This 63mm bore double-acting cylinder uses a G3/8 port. The thrust is 1559N push and 1402N pull at 0.5MPa, 2182N push at 0.7MPa, 2805N push at 0.9MPa, and a maximum theoretical force of 318kgf at 1.0MPa.
Request a Quote for the SAI63AX10
Send us the quantity and destination. We confirm price, stock and lead time on the SAI63AX10 replacement — usually within 7-8 hours.