Airtac SAI200 Standard Cylinder SAI200AX400S
The AirTAC Airtac SAI200 Standard Cylinder SAI200AX400S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 400mm stroke, G3/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ200 mm
- Stroke400 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAI200 Standard Cylinder SAI200AX400S
The AirTAC SAI200X400-S is a double-acting ISO 15552 profile cylinder engineered for heavy-duty automation. With a 200 mm bore and 400 mm stroke, it generates a formidable 15708 N push force at 0.5 MPa, extending to 21991 N at 0.7 MPa. This specific configuration features a SUS420J2 stainless steel piston rod (code A) for superior corrosion resistance in harsh environments.
Equipped with a magnet for position sensing, the extruded aluminum barrel includes dual-sided sensor grooves compatible with CMSE and DMSE switches. Fluid must be filtered air, operating within a 0.15-1.0 MPa pressure range. Adjustable air cushions at both ends manage the massive kinetic energy of this 3204 kgf class actuator, while PT tapered ports ensure a robust pneumatic connection.
Airtac SAI200 Standard Cylinder SAI200AX400S Technical Specifications
| Model | Airtac SAI200 Standard Cylinder SAI200AX400S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 400 mm |
| Acting type | Double acting |
| Port size | G3/4 |
| Rod thread | M36×2 |
| 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 stroke | Up to 1500 mm |
Specifications follow the official AirTAC SAI series datasheet and ISO 15552 dimensions. Confirm against the product label before installation. Port options: G (BSPP) / 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 | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAI200 Standard Cylinder SAI200AX400S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×400 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related SAI-family variants: SAID (double rod), SAIJ (adjustable stroke), SAIL (with lock), SAIF (with valve), BSAI (enclasp / clamp-lock), and SAI-S with built-in magnet. Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B); seals: TPU (blank) / Viton H / NBR N.
Where the Airtac SAI200 Standard Cylinder SAI200AX400S Is Used
Heavy Stamping
Provides the 21991 N force at 0.7 MPa required to form thick metal components and actuate large industrial presses.
Injection Molding
Drives the heavy clamping mechanisms on large injection molding machinery, utilizing the 400 mm stroke for mold extraction.
Automotive Assembly
Handles the movement and positioning of massive vehicle chassis or powertrain components along production lines.
Is the Airtac SAI200 Standard Cylinder SAI200AX400S the Right Cylinder?
Selecting this 200 mm bore actuator implies your application requires extreme thrust that smaller bores cannot provide, such as lifting heavy molds or pressing assemblies. If 15708 N at 0.5 MPa exceeds your requirement, stepping down to a 160 mm bore yields 10053 N, optimizing air consumption. The 400 mm stroke is well within the 1500 mm maximum standard stroke, but at this length, side loads pose a significant risk of bending the rod bearing; always utilize an external guide rail or a guided cylinder to prevent premature wear.
This model is dimensionally interchangeable per ISO 15552, offering a drop-in replacement for other ISO 15552 profile cylinders. It utilizes a G3/4 port, PT thread, and standard mounting accessories like TC trunnion or FA flange. Note that the adjustable cushions only decelerate the piston; they do not hold the load. If the machine loses air pressure, the load will drop unless you employ the SAIL locking variant or an external pilot-operated check valve.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SAI200 Standard Cylinder SAI200AX400S FAQ
At 0.5 MPa operating pressure, it provides 15708 N of push force and 15080 N of pull force. At 0.7 MPa, the push force increases to 21991 N.
Yes, the SAI200X400-S is a true ISO 15552 profile cylinder, making its mounting interface dimensionally interchangeable with other ISO 15552 compliant actuators of the same bore size.
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