Airtac SAI200 Standard Cylinder SAI200AX140
The AirTAC Airtac SAI200 Standard Cylinder SAI200AX140 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 140mm 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
- Stroke140 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAI200 Standard Cylinder SAI200AX140
The AirTAC SAI200X140 is a double-acting ISO 15552 profile cylinder engineered for extreme thrust requirements, delivering 15708 N of push force at 0.5 MPa. This 200 mm bore variant paired with a 140 mm stroke excels in heavy-duty positioning and high-mass actuation tasks.
This specific configuration features a SUS420J2 stainless steel piston rod (material code A) for superior corrosion resistance in humid or mildly chemically exposed environments. Fluid ports utilize a PT tapered thread type, and the extruded aluminum barrel excludes a standard magnet, meaning position sensing via CMSE or DMSE switches requires adding the -S option.
Airtac SAI200 Standard Cylinder SAI200AX140 Technical Specifications
| Model | Airtac SAI200 Standard Cylinder SAI200AX140 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 140 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 SAI200AX140
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×140 | 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 SAI200AX140 Is Used
Heavy Metal Forming
Drives massive press rams and stamping dies where 15708 N of force at 0.5 MPa is required to shape thick metal stock.
Industrial Robotics
Actuates large-scale robotic gripper assemblies and heavy industrial manipulator arms requiring robust 200 mm bore thrust.
Pallet Handling
Pushes fully loaded pallets along heavy-duty conveyor lines, utilizing the 140 mm stroke to index products securely.
Is the Airtac SAI200 Standard Cylinder SAI200AX140 the Right Cylinder?
Selecting this 200 mm bore over the neighboring 160 mm bore provides a significant uplift from 10053 N to 15708 N at 0.5 MPa for heavier payloads. Because the 140 mm stroke remains under the 300 mm threshold, rod-bearing bending from side loads is minimal, though external guiding is always recommended for heavy assemblies. As a true ISO 15552 profile cylinder, this unit serves as a direct drop-in replacement for any standard ISO 15552 mounting interface utilizing equivalent PT porting and FA or LB mounting accessories.
Note that a standard SAI cylinder relies entirely on continuous air pressure to hold loads; if pneumatic supply drops, the piston drifts. The adjustable air cushions at both ends only decelerate the piston near stroke end and do not act as a locking mechanism. For fail-safe load holding, consider the SAIL variant with an air-released lock or the BSAI bidirectional clamp-lock.
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 SAI200AX140 FAQ
At 0.5 MPa operating pressure, the SAI200X140 provides 15708 N of push force and 15080 N of pull force. At the maximum 1.0 MPa pressure, the theoretical push force is 3204 kgf.
Yes. The SAI200X140 is a genuine ISO 15552 profile cylinder, making its mounting interface fully interchangeable with other ISO 15552 standard cylinders using G3/4 ports and M20x1.5 rod threads.
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