Airtac SAI200 Standard Cylinder SAI200AX135
The AirTAC Airtac SAI200 Standard Cylinder SAI200AX135 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 135mm 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
- Stroke135 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAI200 Standard Cylinder SAI200AX135
The AirTAC SAI200X135 is a double-acting ISO 15552 profile cylinder engineered for heavy-duty pneumatics, delivering 15708 N of push force at 0.5 MPa. With a 200 mm bore and 135 mm stroke, this actuator is built to move substantial masses in demanding industrial environments.
This specific configuration features a SUS420J2 stainless steel piston rod (material code A) for superior resistance to moisture and corrosion compared to standard carbon steel. It utilizes PT tapered port threads and does not include a magnet, meaning it is optimized purely for raw actuation rather than position sensing.
Airtac SAI200 Standard Cylinder SAI200AX135 Technical Specifications
| Model | Airtac SAI200 Standard Cylinder SAI200AX135 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 135 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 SAI200AX135
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×135 | 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 SAI200AX135 Is Used
Heavy Metal Stamping
Provides the massive 15708 N push force required to operate large mechanical presses and form thick metal components.
Industrial Machinery Clamping
Secures oversized castings or fabricated steel structures during CNC machining and welding operations.
Bulk Material Diversion
Drives heavy-duty diverter arms on high-capacity aggregate or mining conveyor lines to route bulk materials.
Is the Airtac SAI200 Standard Cylinder SAI200AX135 the Right Cylinder?
Selecting this 200 mm bore actuator makes sense when the 100 mm bore class (offering 3927 N at 0.5 MPa) is insufficient for your load requirements. The 135 mm stroke provides ample travel for large presses or heavy material handling. Because this is a standard double-acting cylinder, it relies on live air pressure to maintain its position; if your application requires the load to be physically held in place during a complete air loss event, you must integrate an external pilot-operated check valve or switch to the BSAI bidirectional clamp-lock variant.
When replacing existing actuators on your machinery, this model serves as a dimensionally interchangeable drop-in solution per the ISO 15552 mounting interface. It uses a G3/4 port, pairs with TC or FTC trunnion mounts for heavy pivoting loads, and requires an external guide if subjected to 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 SAI200AX135 FAQ
At 0.5 MPa, this 200 mm bore cylinder generates 15708 N of push force and 15080 N of pull force. At 0.7 MPa, the push force increases to 21991 N.
Yes. The SAI200X135 is a true ISO 15552 profile cylinder, meaning its mounting dimensions are fully interchangeable with other ISO 15552 cylinders of the same bore size, regardless of the original brand.
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