Airtac SAI80 Standard Air Cylinder SAI80BX50
The AirTAC SAI80 Standard Air Cylinder SAI80BX50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 50mm stroke, G3/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ80 mm
- Stroke50 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 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 SAI80 Standard Air Cylinder SAI80BX50
The AirTAC SAI80X50 is a double-acting ISO 15552 profile cylinder engineered for heavy-duty automation. It provides a robust 2513N push force and 2268N pull force at 0.5 MPa. The 50mm stroke is optimal for short, high-impact clamping tasks and rapid part ejection.
This unit features a SUS304 stainless steel piston rod (material code B) for superior corrosion resistance in washdown or chemically aggressive settings. The extruded aluminum barrel includes sensor grooves on both sides for direct mounting of CMSE or DMSE switches. Note that this configuration uses PT tapered port threads and lacks a magnet for position sensing.
Airtac SAI80 Standard Air Cylinder SAI80BX50 Technical Specifications
| Model | Airtac SAI80 Standard Air Cylinder SAI80BX50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 50 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| Rod thread | M20×1.5 |
| 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, 36 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 (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAI80 Standard Air Cylinder SAI80BX50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×50 | 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 SAI80 Standard Air Cylinder SAI80BX50 Is Used
Heavy-Duty Stamping
Generates 2513N of thrust at just 0.5 MPa, making it ideal for short-stroke metal stamping, riveting, and press-fitting bearings.
Pallet Diverter
Provides the robust push force needed to divert heavy loaded pallets on packaging and conveyor lines with rapid cycle times.
Hydraulic Clamp
Excels as a heavy-duty clamping actuator for holding large workpieces securely during machining or welding operations.
Is the Airtac SAI80 Standard Air Cylinder SAI80BX50 the Right Cylinder?
Select this 80mm bore when a 63mm bore (offering 1559N push at 0.5 MPa) cannot generate enough thrust, but you want to avoid the larger 100mm bore's physical footprint. The 50mm stroke keeps retracted length minimal for tight machine layouts.
Because the standard SAI lacks a locking mechanism, the rod will drift if air pressure is lost or the control valve is centered. For vertical loads that must be held securely without live pressure, specify the SAIL variant with an air-released lock, or the BSAI bidirectional clamp-lock cylinder. For ISO 15552 direct replacements, match the 80mm bore, 50mm stroke, G3/8 port, and mounting accessories like FA flanges or TC trunnions.
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 SAI80 Standard Air Cylinder SAI80BX50 FAQ
At a 0.5 MPa operating pressure, this 80mm bore cylinder generates 2513N of push force and 2268N of pull force. At the maximum 1.0 MPa pressure, the theoretical push force reaches 513 kgf.
Yes. The SAI80X50 is a true ISO 15552 profile cylinder, making it dimensionally interchangeable with other ISO 15552 cylinders of the same 80mm bore and 50mm stroke. Match your existing G3/8 port and mounting hardware for a direct replacement.
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