Airtac SAI200 Standard Cylinder SAI200AX155S
The AirTAC Airtac SAI200 Standard Cylinder SAI200AX155S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 155mm 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
- Stroke155 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAI200 Standard Cylinder SAI200AX155S
The AirTAC SAI200X155-S is a double-acting ISO 15552 profile cylinder engineered for heavy-duty automation. Delivering a substantial 15708 N push force at 0.5 MPa, this 200 mm bore unit handles massive loads with precision. The 155 mm stroke provides robust extension for high-capacity presses and lifting stations. An integrated magnet enables seamless position feedback using CMSE or DMSE switches mounted directly into the dual sensor grooves.
Built for demanding environments, this configuration features a SUS420J2 stainless steel piston rod (material code A) for superior corrosion and wear resistance compared to standard carbon steel. Fluid ports use PT tapered threading, and the extruded aluminum barrel design eliminates protruding tie rods, offering a clean, dimensionally interchangeable ISO 15552 mounting envelope for straightforward machinery integration.
Airtac SAI200 Standard Cylinder SAI200AX155S Technical Specifications
| Model | Airtac SAI200 Standard Cylinder SAI200AX155S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 155 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 SAI200AX155S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×155 | 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 SAI200AX155S Is Used
Heavy Metal Stamping
Provides the 21991 N force at 0.7 MPa required to actuate large mechanical presses and form thick sheet metal components.
Injection Mold Ejection
Utilizes the 155 mm stroke to push heavy molded parts out of industrial dies, relying on the SUS420J2 rod for durability.
Pallet Lifting Stations
Lifts fully loaded pallets in high-throughput logistics hubs, using CMSE sensors to confirm the raised position.
Is the Airtac SAI200 Standard Cylinder SAI200AX155S the Right Cylinder?
Selecting the SAI200X200-S is appropriate when your application requires extreme thrust, such as 15708 N at 0.5 MPa or 21991 N at 0.7 MPa. If the load requirement is lower, stepping down to a 160 mm bore reduces footprint and air consumption while still providing 10053 N at 0.5 MPa. Conversely, if you need to hold a load securely during an exhaust or pressure loss event, this standard cylinder will drift; you must specify a SAIL variant with an air-released lock or a BSAI bidirectional clamp-lock cylinder.
Because the 155 mm stroke is below the 300 mm threshold, side-load stress on the rod bearing is minimal. However, always verify that your mounting hardware—whether an FA flange, TC trunnion, or LB foot—properly supports the cylinder's weight. The -S magnet option allows for precise end-of-stroke confirmation without adding external physical stops.
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 SAI200AX155S FAQ
The SAI200X155-S generates a theoretical push force of 15708 N at 0.5 MPa, 21991 N at 0.7 MPa, and 28274 N at 0.9 MPa. The pull force at 0.5 MPa is 15080 N.
Yes. The SAI200X155-S is a profile-type cylinder built to ISO 15552 dimensional standards, making it a drop-in replacement for other ISO 15552 cylinders of the same bore and stroke. It features PT ports and standard mounting interfaces.
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