This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI200X650FA, 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 SI200 Standard Cylinder SI200X650FA
The AirTAC Airtac SI200 Standard Cylinder SI200X650FA is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø200mm bore and 650mm stroke, G3/4 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI200X650FA, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ200 mm
- Stroke650 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2.0
- StatusDiscontinued → SAI200X650FA
- 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 SI200 Standard Cylinder SI200X650FA
The AirTAC SI200X650FA is a discontinued double-acting ISO 15552 profile cylinder with a 200 mm bore and 650 mm stroke. Delivering 15708 N push force at 0.5 MPa via a G3/4 port, it is replaced by the SAI200X650FA. This direct upgrade shares the exact ISO 15552 mounting interface, M36x2 thread, and 50 mm cushions, fitting existing FA flange fixtures.
The SAI features an upgraded piston seal with two Y-shaped elements for low start-up pressure and long life. This SKU lacks a magnet, so it cannot take CS1-B/DS1-B sensors. For high heat, Viton H seals raise limits to 150 C; for load holding, use SAIL or BSAI lock variants.
Airtac SI200 Standard Cylinder SI200X650FA Technical Specifications
| Model | Airtac SI200 Standard Cylinder SI200X650FA |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI200X650FA |
| Bore size | Ø200 mm |
| Stroke | 650 mm |
| Acting type | Double acting |
| Port size | G3/4 |
| Rod thread | M36×2.0 |
| 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 – 500 mm/s |
| Cushion | Adjustable, 50 mm |
| Max standard stroke | Up to 1500 mm |
Specifications follow the official AirTAC SI datasheet (now discontinued). The SAI200X650FA carries the same ISO 15552 ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
Theoretical Output Force (Ø200mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 15708 N | 15080 N |
| 0.7 MPa | 21991 N | — |
| Max (@1.0 MPa) | 3204 kgf | |
The SAI200X650FA produces the same force from the same bore. Actual usable force is lower than theoretical; size with a margin.
Model Code: Airtac SI200 Standard Cylinder SI200X650FA
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 200 | Bore size in mm. |
| ×650 | 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 SI200 Standard Cylinder SI200X650FA Is Used
Heavy Press Systems
Drives large stamping and forming presses requiring up to 21991 N of thrust at 0.7 MPa to shape thick metal plates.
Large Mold Handling
Actuates 650 mm stroke movements to position heavy injection molds within machinery, guided by external fixtures to prevent rod bending.
Replacing the Airtac SI200 Standard Cylinder SI200X650FA with the SAI200X650FA
To replace the SI200X650FA, order the SAI200X650FA. Confirm the ISO 15552 FA flange interface, 650 mm stroke, G3/4 port, and M36x2 rod thread. Because this SKU has no -S magnet, it cannot accept position sensors; if sensing is needed, switch to a magnet-equipped SAI. At 0.5 MPa it yields 15708 N push; if downsizing, a 160 mm bore provides 10053 N. For the 650 mm stroke, use external guides to prevent rod bending and side-load wear. Note that plain cylinders drift on air loss; for held loads, specify an external pilot check valve or the SAIL/BSAI lock variants.
Replacement checklist
- ✓ Same ISO 15552 interface → SAI200X650FA
- ✓ Same bore / stroke / force
- ✓ Port/thread type (PT/G/NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Mounting reused (FA/FB/CA/CB/CR/LB/TC)
Airtac SI200 Standard Cylinder SI200X650FA FAQ
Yes, the SI200X650FA is discontinued. The direct replacement is the SAI200X650FA. It shares the identical ISO 15552 mounting interface, 200 mm bore, 650 mm stroke, output force, G3/4 port, and FA flange, fitting directly into existing fixtures.
It features a G3/4 air port and 50 mm cushions. Force ratings are: 15708 N push and 15080 N pull at 0.5 MPa; 21991 N push at 0.7 MPa; 28274 N push at 0.9 MPa; with a theoretical max of 3204 kgf at 1.0 MPa. Speed is 30-500 mm/s.
Related AirTAC SAI Cylinders
Request a Quote for the SAI200X650FA
Send us the quantity and destination. We confirm price, stock and lead time on the SAI200X650FA replacement — usually within 7-8 hours.