This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI200AX500, 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 SI200AX500
The AirTAC Airtac SI200 Standard Cylinder SI200AX500 is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø200mm bore and 500mm stroke, G3/4 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI200AX500, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ200 mm
- Stroke500 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2.0
- StatusDiscontinued → SAI200AX500
- 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 SI200AX500
The AirTAC SI200AX500 is a discontinued double-acting ISO 15552 profile cylinder with a 200 mm bore and 500 mm stroke. Delivering 15708 N push at 0.5 MPa, it is replaced by the SAI200AX500. This direct upgrade keeps the same G3/4 port, M36x2 thread, and 50 mm cushions, fitting existing fixtures perfectly.
The SAI features an upgraded piston seal with two Y-shaped elements for low start-up pressure and long life. This -A variant uses a SUS420J2 stainless rod. With no -S suffix, it cannot take a sensor.
Airtac SI200 Standard Cylinder SI200AX500 Technical Specifications
| Model | Airtac SI200 Standard Cylinder SI200AX500 |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI200AX500 |
| Bore size | Ø200 mm |
| Stroke | 500 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 SAI200AX500 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 SAI200AX500 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 SI200AX500
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 200 | Bore size in mm. |
| ×500 | 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 SI200AX500 Is Used
Heavy Stamping
Drives large presses applying up to 21991 N at 0.7 MPa for forming thick metal components.
Mold Clamping
Secures industrial molds with a theoretical max 3204 kgf force, utilizing the 50 mm cushions.
Replacing the Airtac SI200 Standard Cylinder SI200AX500 with the SAI200AX500
To replace the SI200AX500, order the SAI200AX500. Verify the ISO 15552 mounting interface, 500 mm stroke, G3/4 port, and SUS420J2 stainless rod. It delivers 15708 N push at 0.5 MPa; neighbouring bores are 160 mm (10053 N) and nothing larger. For load holding, note a plain cylinder drifts on air loss—the cushion only decelerates. Use an external rod lock, pilot check valve, or the SAIL/BSAI lock variant. At 500 mm stroke, use external guides to prevent rod bending. Without a -S suffix, this SKU cannot accept CS1-B/DS1-B sensors.
Replacement checklist
- ✓ Same ISO 15552 interface → SAI200AX500
- ✓ 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 SI200AX500 FAQ
Yes, the SI200AX500 is discontinued. The direct replacement is the SAI200AX500. It is dimensionally interchangeable per ISO 15552, maintaining the same 200 mm bore, 500 mm stroke, force, G3/4 port, and mounting interface.
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. Speed is 30-500 mm/s.
Related AirTAC SAI Cylinders
Request a Quote for the SAI200AX500
Send us the quantity and destination. We confirm price, stock and lead time on the SAI200AX500 replacement — usually within 7-8 hours.