Airtac SAI50 Standard Cylinder SAI50X475S
The AirTAC SAI50 Standard Cylinder SAI50X475S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø50mm bore and 475mm 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
- Stroke475 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 SAI50X475S
The AirTAC SAI50X475-S is a double-acting ISO 15552 profile cylinder engineered to deliver a push force of 982 N at 0.5 MPa and a pull force of 825 N. Its 475 mm stroke provides the extended travel needed for mid-distance indexing and automated material handling tasks.
This variant includes a standard magnet for direct compatibility with CMSE and DMSE sensor switches fitted into the dual side grooves of the extruded aluminum barrel. It uses a PT tapered port thread and a carbon steel piston rod, ensuring robust performance across its 30-800 mm/s operating speed range.
Airtac SAI50 Standard Cylinder SAI50X475S Technical Specifications
| Model | Airtac SAI50 Standard Cylinder SAI50X475S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 475 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 SAI50X475S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×475 | 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 SAI50X475S Is Used
Material Diverting
Provides the 982 N push force and 475 mm reach required to extend diverter arms across wider conveyor belts in packaging lines.
Pallet Handling
Extends to push intermediate pallets into position at lifting stations, utilizing its long stroke and 825 N pull force for reliable retraction.
Component Ejection
Ejects molded parts from machinery beds, using the integrated magnet and CMSE sensors to confirm full ejection before the press cycles.
Is the Airtac SAI50 Standard Cylinder SAI50X475S the Right Cylinder?
Choose this 50 mm bore when an application requires more thrust than the 40 mm bore (628 N push at 0.5 MPa) but lacks the physical space for a 63 mm cylinder. Because the 475 mm stroke creates a long unsupported rod extension, you must manage side loads to prevent rod-bearing bending; use an external guide rail or select a fully guided cylinder to absorb lateral forces.
As a dimensionally interchangeable ISO 15552 profile cylinder, it serves as a direct replacement matching the 50 mm bore, 475 mm stroke, G1/4 port, and standard mounting accessory dimensions. Note that the adjustable air cushions only decelerate the piston at stroke ends; if the air supply is lost, the rod will drift. Use the SAIL lock variant or an external pilot-operated check valve for position holding.
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 SAI50X475S FAQ
At 0.5 MPa, this cylinder provides a push force of 982 N and a pull force of 825 N. If you increase the operating pressure to 0.7 MPa, the push force rises to 1374 N.
No, the standard SAI model does not hold position without live air pressure and will drift. For fail-safe load holding, you must use the SAIL air-released lock variant or an external rod lock.
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