Airtac SAI200 Standard Cylinder SAI200AX425S
The AirTAC Airtac SAI200 Standard Cylinder SAI200AX425S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 425mm 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
- Stroke425 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAI200 Standard Cylinder SAI200AX425S
The AirTAC SAI200X425-S is a double-acting profile cylinder built to strict ISO 15552 dimensional standards, ensuring seamless drop-in compatibility with other globally standardized ISO interfaces. Operating within a 0.15-1.0 MPa pressure range, it generates a substantial 15708 N of push force and 15080 N of pull force at 0.5 MPa. The 425 mm stroke is a made-to-order length tailored for extensive linear travel requirements in heavy-duty automation.
This specific configuration features a SUS420J2 stainless steel piston rod (material code A) for superior corrosion resistance in harsh environments. Equipped with a -S magnet, the extruded aluminum barrel includes integrated sensor grooves on both sides for direct mounting of CMSE or DMSE reed switches. Adjustable air cushions at both stroke ends absorb kinetic energy, while standard PT tapered port threads guarantee leak-free pneumatic connections.
Airtac SAI200 Standard Cylinder SAI200AX425S Technical Specifications
| Model | Airtac SAI200 Standard Cylinder SAI200AX425S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 425 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 SAI200AX425S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×425 | 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 SAI200AX425S Is Used
Heavy Metal Stamping
Provides the robust 15708 N thrust required to actuate large mechanical presses and form thick sheet metal components reliably.
Large Injection Mold Handling
Utilizes the 425 mm stroke to extract bulky automotive injection molds from machinery, leveraging the SUS420J2 rod against abrasive environments.
Automated Assembly Presses
Drives heavy-duty industrial presses for bearing insertion and structural component joining, using adjustable air cushions to soften end-of-stroke impact.
Is the Airtac SAI200 Standard Cylinder SAI200AX425S the Right Cylinder?
Delivering 15708 N at just 0.5 MPa, this 200 mm bore cylinder is selected for heavy load manipulation where stepping down to a 160 mm bore (yielding 10053 N) would provide insufficient thrust. Because the 425 mm stroke exceeds the standard maximum of 1500 mm for this bore family, it is manufactured as a special non-standard order. For applications requiring position holding without continuous air pressure, a standard SAI will drift; utilize the SAIL locking variant or an external pilot-operated check valve to secure the load safely.
Due to the extended 425 mm stroke length, the unsupported rod is highly susceptible to bending under side loads. To prevent premature rod-bearing wear and seal failure, mount this cylinder alongside an external linear guide rail or substitute it with a dedicated guided cylinder to absorb all lateral forces.
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 SAI200AX425S FAQ
At an operating pressure of 0.5 MPa, this 200 mm bore double-acting cylinder generates 15708 N of push force and 15080 N of pull force. At the maximum 1.0 MPa pressure, the theoretical push force reaches 3204 kgf.
Yes, the SAI200X425-S is a genuine ISO 15552 profile cylinder, making it dimensionally interchangeable with other ISO 15552 standardized cylinders. You can use existing mounting accessories like FA flanges or TC trunnions without altering the machine footprint.
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