Airtac SAI50 Standard Cylinder SAI50BX300S
The AirTAC SAI50 Standard Cylinder SAI50BX300S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø50mm bore and 300mm stroke, G1/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ50 mm
- Stroke300 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 30 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SAI50 Standard Cylinder SAI50BX300S
The AirTAC SAI50X300-S is a double-acting ISO 15552 profile cylinder engineered to deliver 982 N of push force at 0.5 MPa and 825 N of pull force. With a 50 mm bore and 300 mm stroke, this extruded aluminum barrel design eliminates tie rods for a sleeker footprint while maintaining strict mounting interchangeability.
This specific configuration includes a -S magnet for direct mounting of CMSE or DMSE sensor switches in the dual side grooves. It is built with a SUS304 stainless steel rod (option B) for superior corrosion resistance and utilizes PT tapered port threads for a robust pneumatic connection.
Airtac SAI50 Standard Cylinder SAI50BX300S Technical Specifications
| Model | Airtac SAI50 Standard Cylinder SAI50BX300S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 300 mm |
| Acting type | Double acting |
| Port size | G1/4 |
| Rod thread | M16×1.5 |
| 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 – 800 mm/s |
| Cushion | Adjustable, 30 mm |
| Max stroke | Up to 1200 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 (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (@1.0 MPa) | 200 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAI50 Standard Cylinder SAI50BX300S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×300 | 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 SAI50 Standard Cylinder SAI50BX300S Is Used
Material Handling
Ideal for pushing or diverting packages on a 300 mm stroke length where mid-stroke positioning via CMSE sensors is required.
Automated Assembly
Drives clamping and pressing fixtures needing 982 N of push force, benefiting from the SUS304 rod in environments with minor moisture.
Packaging Machinery
Executes long-trroke folding or sealing operations, with the magnetic piston providing precise end-of-stroke confirmation.
Is the Airtac SAI50 Standard Cylinder SAI50BX300S the Right Cylinder?
Stepping up to the 63 mm bore yields 1559 N at 0.5 MPa, whereas dropping to a 40 mm bore reduces output to 628 N. At 300 mm of travel, the unsupported rod is highly susceptible to bending under side loads; utilizing external guide rails or a fully guided cylinder is strongly recommended to prevent premature rod-bearing wear.
To match this ISO 15552 cylinder for a direct replacement, verify the 50 mm bore, 300 mm stroke, G1/4 PT port, and required mounting accessory (such as an FA flange or TC trunnion). Note that this standard SAI50X300-S relies on live air pressure to hold position; if your application requires dead-stop holding without air, consider the SAIL pneumatic lock or BSAI clamp-lock variant instead.
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 SAI50 Standard Cylinder SAI50BX300S FAQ
At 0.5 MPa operating pressure, the SAI50X300-S generates 982 N of push force and 825 N of pull force. It can reach up to 1374 N push at 0.7 MPa.
Yes, the SAI50X300-S is dimensionally interchangeable per ISO 15552. You can drop it in as a replacement for other ISO 15552 profile cylinders with a 50 mm bore, 300 mm stroke, and G1/4 port.
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