This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI63X200SH, 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 SI63X200SH
The AirTAC Airtac SI63 Standard Cylinder SI63X200SH is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø63mm bore and 200mm stroke, G3/8 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI63X200SH, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ63 mm
- Stroke200 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- StatusDiscontinued → SAI63X200SH
- 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 SI63X200SH
The AirTAC SI63X200SH is a discontinued double-acting ISO 15552 profile cylinder with a 63mm bore and 200mm stroke. Featuring a Viton H seal for 0-150 C high-temperature environments, it delivers 1559 N push force at 0.5 MPa through a G3/8 port. AirTAC replaced this legacy unit with the SAI63X200SH, a direct replacement retaining the exact ISO 15552 mounting interface, M16x1.5 rod thread, and 30mm adjustable cushions.
The SAI upgrade introduces a two Y-shaped one-way piston seal for low start-up pressure and extended life. The -S magnet supports legacy CS1-B/DS1-B sensors, while the SAI family adds SAIL and BSAI lock variants the SI lacked.
Airtac SI63 Standard Cylinder SI63X200SH Technical Specifications
| Model | Airtac SI63 Standard Cylinder SI63X200SH |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI63X200SH |
| Bore size | Ø63 mm |
| Stroke | 200 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 SAI63X200SH 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 SAI63X200SH 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 SI63X200SH
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 63 | 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 SI63 Standard Cylinder SI63X200SH Is Used
High-Temperature Actuation
Drives mechanisms in 0-150 C thermal zones using the Viton H seal, pushing 1559 N at 0.5 MPa without degrading.
Mid-Range Transfer
Shifts 79 kg vertical loads in material handling lines, relying on the 200mm stroke and 30mm adjustable cushions.
Clamp and Press
Applies 2182 N of force at 0.7 MPa for holding parts during machining, fitting seamlessly into ISO 15552 fixtures.
Replacing the Airtac SI63 Standard Cylinder SI63X200SH with the SAI63X200SH
To replace the SI63X200SH, order the SAI63X200SH. Verify your ISO 15552 mounting fixtures (LB, FA, CA, TC), the G3/8 port, and the M16x1.5 rod thread. The -S magnet allows CS1-B/DS1-B sensors, though the SAI uses current AirTAC switches. When sizing, the 63mm bore yields 1559 N push at 0.5 MPa; dropping to a 50mm bore gives 982 N, while an 80mm bore provides 2513 N. Note that a standard cylinder drifts without live air; for load holding, use the SAIL or BSAI lock variant, or an external pilot check valve. The 200mm stroke is well within limits, but for any stroke over 300mm, add external guides to prevent rod bending.
Replacement checklist
- ✓ Same ISO 15552 interface → SAI63X200SH
- ✓ 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 SI63X200SH FAQ
Yes, the SI63X200SH is discontinued. The direct replacement is the SAI63X200SH. It shares the identical ISO 15552 mounting interface, 63mm bore, 200mm stroke, G3/8 port, and output force, fitting your existing fixtures perfectly.
The 63mm bore features a G3/8 air port. It generates 1559 N push and 1402 N pull at 0.5 MPa, 2182 N push at 0.7 MPa, and 2805 N push at 0.9 MPa. The theoretical maximum force is 318 kgf at 1.0 MPa.
Related AirTAC SAI Cylinders
Request a Quote for the SAI63X200SH
Send us the quantity and destination. We confirm price, stock and lead time on the SAI63X200SH replacement — usually within 7-8 hours.