This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI200X360S, 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 SI200X360S
The AirTAC SI200 Standard Cylinder SI200X360S is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø200mm bore and 360mm stroke, G3/4 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI200X360S, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ200 mm
- Stroke360 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2.0
- StatusDiscontinued → SAI200X360S
- 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 SI200X360S
The AirTAC SI200X360S is a discontinued double-acting ISO 15552 profile cylinder with a 200 mm bore and 360 mm stroke, delivering 15708 N of push force at 0.5 MPa through its G3/4 port. AirTAC replaced this legacy unit with the SAI200X360S. This current-production direct maintains the exact ISO 15552 mounting interface, bore, stroke, output force, port size, and M36x2 rod thread, fitting existing fixtures perfectly.
The SAI upgrade features a modernized piston seal with two Y-shaped one-way elements for low start-up pressure and extended life. The original SI-S included a piston magnet for CS1-B/DS1-B sensors; the SAI replacement family uses current AirTAC switches and adds SAIL, SAIF, and BSAI lock variants the SI lacked.
Airtac SI200 Standard Cylinder SI200X360S Technical Specifications
| Model | Airtac SI200 Standard Cylinder SI200X360S |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI200X360S |
| Bore size | Ø200 mm |
| Stroke | 360 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 SAI200X360S 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 SAI200X360S 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 SI200X360S
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 200 | Bore size in mm. |
| ×360 | 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 SI200X360S Is Used
Heavy Press Operations
Drives large forming and stamping presses requiring up to 21991 N of thrust at 0.7 MPa, utilizing the 360 mm stroke to fully clear heavy tooling.
Large Mold Handling
Indexes heavy injection molds and industrial fixtures along the 360 mm travel path, relying on the rigid 40 mm piston rod.
Replacing the Airtac SI200 Standard Cylinder SI200X360S with the SAI200X360S
To replace the SI200X360S, order the SAI200X360S direct. Confirm the ISO 15552 mounting interface, the 360 mm stroke, the G3/4 port, and your mounting accessory (LB, FA, TC, etc.). The -S suffix indicates a piston magnet for position sensing; the legacy CS1-B/DS1-B sensors are superseded by current AirTAC switches on the SAI. Sizing both ways: this 200 mm bore yields 15708 N push at 0.5 MPa, while a neighbouring 160 mm bore provides 10053 N. A plain cylinder drifts on air loss as the 50 mm cushion only decelerates; for load holding, specify the SAIL or BSAI lock variant, or use an external pilot check valve. Because the 360 mm stroke exceeds 300 mm, use external guides to prevent rod bending and side-load damage.
Replacement checklist
- ✓ Same ISO 15552 interface → SAI200X360S
- ✓ 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 SI200X360S FAQ
Yes, the SI200X360S is discontinued. The direct replacement is the SAI200X360S. It is dimensionally interchangeable per ISO 15552, matching the 200 mm bore, 360 mm stroke, output force, G3/4 port, and mounting accessories.
Operating at 30-500 mm/s, it delivers 15708 N push and 15080 N pull at 0.5 MPa. Push force is 21991 N at 0.7 MPa and 28274 N at 0.9 MPa, with a theoretical maximum of 3204 kgf at 1.0 MPa.
Related AirTAC SAI Cylinders
Request a Quote for the SAI200X360S
Send us the quantity and destination. We confirm price, stock and lead time on the SAI200X360S replacement — usually within 7-8 hours.