This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI200BX105S, 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 SI200BX105S
The AirTAC SI200 Standard Cylinder SI200BX105S is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø200mm bore and 105mm stroke, G3/4 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI200BX105S, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ200 mm
- Stroke105 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2.0
- StatusDiscontinued → SAI200BX105S
- 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 SI200BX105S
The AirTAC SI200BX105S is a discontinued double-acting ISO 15552 profile cylinder with a 200 mm bore and 105 mm stroke. Built with an extruded aluminum barrel, it delivers 15708 N push force at 0.5 MPa. This specific unit includes the -B SUS304 stainless piston rod for corrosion resistance and the -S magnet for legacy CS1-B/DS1-B sensors. It features a G3/4 port and M36x2 rod thread.
You must replace it with the direct replacement SAI200BX105S. The SAI retains the exact ISO 15552 mounting interface, bore, stroke, 28274 N force at 0.9 MPa, and port size. The upgrade introduces a two Y-shaped one-way piston seal for low start-up pressure, and adds SAIL lock and BSAI clamp-lock variants.
Airtac SI200 Standard Cylinder SI200BX105S Technical Specifications
| Model | Airtac SI200 Standard Cylinder SI200BX105S |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI200BX105S |
| Bore size | Ø200 mm |
| Stroke | 105 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 SAI200BX105S 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 SAI200BX105S 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 SI200BX105S
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 200 | Bore size in mm. |
| ×105 | 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 SI200BX105S Is Used
Heavy Stamping Press
Drives large heavy-duty stamping dies requiring 21991 N push force at 0.7 MPa with stable ISO 15552 mounting.
Large Mold Clamping
Secures oversized injection molds using the SUS304 stainless rod, resisting corrosive factory environments.
Replacing the Airtac SI200 Standard Cylinder SI200BX105S with the SAI200BX105S
To replace the SI200BX105S, order the SAI200BX105S. Confirm the ISO 15552 mounting interface, 200 mm bore, 105 mm stroke, G3/4 port, and mounting accessory. Retain the -S magnet (current AirTAC switches) and -B SUS304 rod. Sizing both ways: the neighboring 160 mm bore yields 10053 N push at 0.5 MPa, while this 200 mm bore reaches 21991 N at 0.7 MPa. 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 variants. Since stroke is 105 mm, side-load risks are low, but always guide the load to prevent rod bending.
Replacement checklist
- ✓ Same ISO 15552 interface → SAI200BX105S
- ✓ 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 SI200BX105S FAQ
Yes, the SI200BX105S is discontinued. The direct replacement is the SAI200BX105S. It matches the ISO 15552 mounting interface, 200 mm bore, 105 mm stroke, output force, and G3/4 port, fitting existing fixtures perfectly.
The G3/4 port bore delivers 15708 N push and 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. It uses an M36x2 rod thread with 50 mm adjustable cushions.
Related AirTAC SAI Cylinders
Request a Quote for the SAI200BX105S
Send us the quantity and destination. We confirm price, stock and lead time on the SAI200BX105S replacement — usually within 7-8 hours.