Airtac SAI200 Standard Cylinder SAI200AX275S
The AirTAC Airtac SAI200 Standard Cylinder SAI200AX275S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 275mm 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
- Stroke275 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAI200 Standard Cylinder SAI200AX275S
The AirTAC SAI200X275-S is a double-acting ISO 15552 profile cylinder engineered for immense thrust, delivering 15708 N of push force at just 0.5 MPa. This 200 mm bore unit features a 275 mm stroke and integrates a standard magnet for direct mounting of CMSE or DMSE sensor switches along the dual extruded barrel grooves.
Built for harsh environments, the piston rod utilizes SUS420J2 stainless steel (option A) for superior corrosion resistance compared to standard carbon steel. Fluid supply is routed through PT (tapered) G3/4 ports, and the adjustable air cushions at both ends tame the massive inertia generated by this cylinder's heavy payload capacity.
Airtac SAI200 Standard Cylinder SAI200AX275S Technical Specifications
| Model | Airtac SAI200 Standard Cylinder SAI200AX275S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 275 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 SAI200AX275S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×275 | 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 SAI200AX275S Is Used
Heavy Metal Stamping
Provides the immense 15708 N push force required to seat and form thick-gauge sheet metal assemblies in automated hydraulic press lines.
Large Injection Molds
Actuates massive injection molding core pulls and heavy ejector mechanisms where the SUS420J2 stainless rod resists factory humidity and resin outgassing.
Automotive Assembly Jigs
Clamps heavy chassis and powertrain components securely during robotic welding, utilizing the integrated -S magnet for closed-loop position verification.
Is the Airtac SAI200 Standard Cylinder SAI200AX275S the Right Cylinder?
Selecting this 200 mm bore over the 160 mm variant is driven by a need for extreme linear power; the 160 mm tops out at 10053 N push at 0.5 MPa, whereas this 200 mm bore generates 15708 N under identical pressure. The 275 mm stroke is well within the 1500 mm maximum standard limit but requires careful mechanical guidance. At this bore size and stroke length, any side load will induce severe bending stresses on the rod bearing, so mounting on an external guide rail or utilizing a guided cylinder carriage is strongly recommended.
As a true ISO 15552 profile cylinder, it offers a drop-in dimensional replacement for other ISO 15552 standard actuators. To replicate this exact configuration, specify the 200 mm bore, 275 mm stroke, PT G3/4 porting, a double-acting function, the SUS420J2 rod material, and the -S magnet option. Note that the adjustable end cushions only decelerate the piston near the stroke ends; they do not hold the load. If the application requires intermediate position holding or drop prevention upon air loss, integrate 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 SAI200AX275S FAQ
At 0.5 MPa, this 200 mm bore cylinder provides 15708 N of push force and 15080 N of pull force. If operated at 0.7 MPa, the push force increases to 21991 N.
No, the standard SAI cylinder is double-acting and its adjustable air cushions only decelerate the piston at the stroke ends; they do not lock the load. For secure position holding without live air pressure, use the SAIL (air-released lock) variant or an external rod lock.
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