Airtac SAI200 Standard Cylinder SAI200AX450S
The AirTAC Airtac SAI200 Standard Cylinder SAI200AX450S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 450mm 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
- Stroke450 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAI200 Standard Cylinder SAI200AX450S
The AirTAC SAI200X450-S is a double-acting ISO 15552 profile cylinder built for heavy-duty positioning. It provides 15708N of push force at 0.5MPa and 21991N at 0.7MPa across its 450mm stroke. This model includes a magnet for proximity sensing and uses a SUS420J2 stainless steel piston rod for superior corrosion resistance.
Because it adheres strictly to ISO 15552 mounting dimensions, this extruded aluminum barrel cylinder serves as a drop-in replacement for other ISO 15552 actuators. It features adjustable air cushions at both ends to manage high kinetic energy, and its PT tapered ports ensure a robust pneumatic seal for high-flow applications.
Airtac SAI200 Standard Cylinder SAI200AX450S Technical Specifications
| Model | Airtac SAI200 Standard Cylinder SAI200AX450S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 450 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 SAI200AX450S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×450 | 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 SAI200AX450S Is Used
Heavy Stamping
Provides the massive 21991N output at 0.7MPa needed to form thick metal components in automated stamping presses.
Large Press Brakes
Drives the upper beam in wide press brake machinery where exact 450mm travel and high tonnage are required.
Plastic Injection Molding
Handles heavy mold opening and closing duties, utilizing adjustable cushions to absorb high end-of-stroke impact.
Is the Airtac SAI200 Standard Cylinder SAI200AX450S the Right Cylinder?
For tasks needing less force, stepping down to the 160mm bore drops the 0.5MPa push force to 10053N. At 450mm of stroke, the extended rod is highly susceptible to bending under side loads. Use an external guide rail or a guided cylinder mechanism to prevent rod-bearing damage.
Remember that a standard SAI cylinder will drift if air pressure is lost. For applications that must hold a load safely without live pressure, select the SAIL variant with an air-released lock or the BSAI bidirectional clamp-lock. This 200mm bore configuration uses G3/4 ports, an M36x2 rod thread, and operates at speeds of 30-500mm/s.
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 SAI200AX450S FAQ
This 200mm bore cylinder generates 15708N of push force at 0.5MPa and 21991N at 0.7MPa. The maximum theoretical force at 1.0MPa is 3204kgf.
No, a standard SAI cylinder drifts when pressure is lost. The adjustable cushion only decelerates the piston near stroke end. Use the SAIL or BSAI locking variants for true load holding.
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