This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI200X1900STC, 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 SI200X1900STC
The AirTAC Airtac SI200 Standard Cylinder SI200X1900STC is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø200mm bore and 1900mm stroke, G3/4 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI200X1900STC, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ200 mm
- Stroke1900 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2.0
- StatusDiscontinued → SAI200X1900STC
- 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 SI200X1900STC
The AirTAC SI200X1900STC is a discontinued double-acting ISO 15552 profile cylinder with a 1900 mm stroke and TC trunnion mount. Delivering 15708 N push force at 0.5 MPa via a G3/4 port, this non-standard 1900 mm stroke exceeds the 1500 mm maximum standard and is made-to-order. The direct replacement is the SAI200X1900STC, sharing the same interface, force, and mounting.
The SAI upgrade features a two Y-shaped one-way piston seal for low start-up pressure and long life. The -S magnet supports CS1-B/DS1-B sensors, while the SAI family adds SAIL lock and BSAI clamp-lock variants the SI lacked.
Airtac SI200 Standard Cylinder SI200X1900STC Technical Specifications
| Model | Airtac SI200 Standard Cylinder SI200X1900STC |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI200X1900STC |
| Bore size | Ø200 mm |
| Stroke | 1900 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 SAI200X1900STC 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 SAI200X1900STC 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 SI200X1900STC
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 200 | Bore size in mm. |
| ×1900 | 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 SI200X1900STC Is Used
Heavy Stamping
Drives large presses and stamping fixtures requiring 15708 N of push force over a 1900 mm travel distance.
Bulk Material Diversion
Actuates heavy-duty diverters on bulk material conveyors, utilizing the TC trunnion mount for pivoting loads.
Replacing the Airtac SI200 Standard Cylinder SI200X1900STC with the SAI200X1900STC
To replace the SI200X1900STC, order the SAI200X1900STC. Verify the ISO 15552 TC trunnion interface, 200 mm bore, 1900 mm non-standard stroke, G3/4 port, and -S magnet for current AirTAC switches. At 0.5 MPa it pushes 15708 N; if undersizing, a 160 mm bore yields 10053 N. Note: a 1900 mm stroke risks rod bending; use external guides to prevent side-load damage. A plain cylinder drifts without live air—the cushion only decelerates. For load holding, use an external rod lock, pilot check valve, or the SAIL/BSAI lock variant.
Replacement checklist
- ✓ Same ISO 15552 interface → SAI200X1900STC
- ✓ 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 SI200X1900STC FAQ
Yes, the SI200X1900STC is discontinued. The direct replacement is the SAI200X1900STC. It is dimensionally interchangeable per ISO 15552, matching the 200 mm bore, 1900 mm stroke, G3/4 port, TC mount, and output force.
It features a G3/4 port and provides 15708 N push / 15080 N pull at 0.5 MPa, 21991 N push at 0.7 MPa, and a theoretical max of 3204 kgf at 1.0 MPa. The 1900 mm stroke is non-standard, and speed is 30-500 mm/s.
Related AirTAC SAI Cylinders
Request a Quote for the SAI200X1900STC
Send us the quantity and destination. We confirm price, stock and lead time on the SAI200X1900STC replacement — usually within 7-8 hours.