This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI200X210, 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 SI200X210
The AirTAC Airtac SI200 Standard Cylinder SI200X210 is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø200mm bore and 210mm stroke, G3/4 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI200X210, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ200 mm
- Stroke210 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2.0
- StatusDiscontinued → SAI200X210
- 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 SI200X210
The AirTAC SI200X210 is a discontinued double-acting ISO 15552 profile cylinder with a 200 mm bore and 210 mm stroke, delivering 15708 N push force at 0.5 MPa. It features a 40 mm carbon steel rod, M36x2 thread, and a G3/4 port. The direct replacement is the SAI200X210, which shares the exact ISO 15552 mounting interface, bore, stroke, output force, and porting for seamless fixture integration.
The SAI upgrade introduces a two Y-shaped one-way piston seal for low start-up pressure and extended life. For load holding, note that a standard cylinder drifts on air loss; the 50 mm air cushions only decelerate near stroke end. For secure holding, use an external rod lock, pilot check valve, or the SAIL/BSAI lock variants. This non-magnet SKU cannot take a sensor.
Airtac SI200 Standard Cylinder SI200X210 Technical Specifications
| Model | Airtac SI200 Standard Cylinder SI200X210 |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI200X210 |
| Bore size | Ø200 mm |
| Stroke | 210 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 SAI200X210 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 SAI200X210 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 SI200X210
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 200 | Bore size in mm. |
| ×210 | 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 SI200X210 Is Used
Heavy Stamping Press
Drives large platens in metal forming operations where the 21991 N push force at 0.7 MPa is required to shape thick steel blanks.
Injection Mold Ejection
Provides the high extraction force necessary to strip large molded parts from heavy industrial tooling safely and efficiently.
Pallet Lift Station
Actuates robust lifting platforms in automated distribution centers, moving loads up to the 801 kg vertical lift threshold.
Replacing the Airtac SI200 Standard Cylinder SI200X210 with the SAI200X210
To replace the SI200X210, order the SAI200X210 direct equivalent. Verify your ISO 15552 mounting accessory (LB foot, FA/FB flange, CA/CB clevis, or TC trunnion) and confirm the G3/4 port thread (PT, G, or NPT). This SKU lacks the -S magnet, so it cannot accept CS1-B/DS1-B sensors; if position detection is needed, order the SAI200X210S. Sizing both ways: the 200 mm bore yields 15708 N push at 0.5 MPa, while the neighboring 160 mm bore offers 10053 N. Because the 210 mm stroke exceeds 300 mm, ensure adequate guide support to prevent rod bending under side loads. For applications requiring locked positioning without live air, step up to the SAIL air-released lock or BSAI clamp-lock variant.
Replacement checklist
- ✓ Same ISO 15552 interface → SAI200X210
- ✓ 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 SI200X210 FAQ
Yes, the AirTAC SI200X210 is discontinued. The direct replacement is the SAI200X210. It is dimensionally interchangeable per the ISO 15552 mounting interface, maintaining the same 200 mm bore, 210 mm stroke, 15708 N force, and G3/4 port size.
This double-acting cylinder uses a G3/4 port. It delivers a push force of 15708 N and pull of 15080 N at 0.5 MPa, 21991 N push at 0.7 MPa, 28274 N push at 0.9 MPa, and a theoretical max of 3204 kgf at 1.0 MPa.
Related AirTAC SAI Cylinders
Request a Quote for the SAI200X210
Send us the quantity and destination. We confirm price, stock and lead time on the SAI200X210 replacement — usually within 7-8 hours.