This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI200BX900, 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 SI200BX900
The AirTAC SI200 Standard Cylinder SI200BX900 is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø200mm bore and 900mm stroke, G3/4 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI200BX900, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ200 mm
- Stroke900 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2.0
- StatusDiscontinued → SAI200BX900
- 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 SI200BX900
The AirTAC SI200BX900 is a discontinued double-acting ISO 15552 profile cylinder featuring a 200mm bore and 900mm stroke. It delivers 15708 N push force at 0.5 MPa through a G3/4 port. AirTAC replaced this legacy unit with the SAI200BX900, a direct upgrade retaining the exact ISO 15552 mounting interface, M36x2 thread, and 50mm cushions.
The SAI successor introduces an upgraded piston seal using two Y-shaped one-way elements for lower start-up pressure and longer life. For demanding environments, a Viton H seal option raises the operating temperature to 0-150 C. Note this SKU lacks a magnet and cannot accept position sensors.
Airtac SI200 Standard Cylinder SI200BX900 Technical Specifications
| Model | Airtac SI200 Standard Cylinder SI200BX900 |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI200BX900 |
| Bore size | Ø200 mm |
| Stroke | 900 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 SAI200BX900 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 SAI200BX900 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 SI200BX900
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 200 | Bore size in mm. |
| ×900 | 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 SI200BX900 Is Used
Heavy Stamping
Drives large presses and stamping dies requiring 15708 N push force at 0.5 MPa with stable 200mm bore actuation.
Large Mold Handling
Shifts industrial molds on production lines, leveraging the 50mm adjustable air cushions to decelerate massive loads.
Replacing the Airtac SI200 Standard Cylinder SI200BX900 with the SAI200BX900
To replace the discontinued SI200BX900, order the SAI200BX900, confirming the ISO 15552 mounting interface, 200mm bore, 900mm stroke, G3/4 port, and M36x2 rod thread. Because this SKU has no -S magnet, it cannot support legacy CS1-B/DS1-B switches. If your application requires position sensing, select a magnet-equipped SAI model. Sizing downward, a 160mm bore yields 10053 N push at 0.5 MPa; sizing upward is not available in the standard range. At 900mm, this cylinder is susceptible to rod bending—always use external guides to prevent side loads. A plain cylinder drifts on air loss; for load holding, use an external pilot check valve or specify the SAIL or BSAI lock variant.
Replacement checklist
- ✓ Same ISO 15552 interface → SAI200BX900
- ✓ 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 SI200BX900 FAQ
Yes, the AirTAC SI200BX900 is discontinued. The direct replacement is the SAI200BX900. It shares the identical ISO 15552 mounting interface, 200mm bore, 900mm stroke, output force, G3/4 port, and accessories, fitting existing fixtures perfectly while upgrading the piston seal.
This 200mm bore double-acting cylinder features a G3/4 air port and an M36x2 rod thread. It delivers 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, and a theoretical maximum force of 3204 kgf at 1.0 MPa. Operating speed is 30-500 mm/s.
Related AirTAC SAI Cylinders
Request a Quote for the SAI200BX900
Send us the quantity and destination. We confirm price, stock and lead time on the SAI200BX900 replacement — usually within 7-8 hours.