Airtac SAI32 Standard Cylinder SAI32BX275S
The AirTAC SAI32 Standard Cylinder SAI32BX275S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 275mm stroke, G1/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ32 mm
- Stroke275 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 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 SAI32 Standard Cylinder SAI32BX275S
The AirTAC SAI32X275-S is a double-acting ISO 15552 profile cylinder engineered for precise linear motion. It generates 402 N of push force at 0.5 MPa, making it well-suited for mid-length positioning tasks. The extruded aluminum barrel omits tie-rods, providing a clean exterior that drops directly into standardized ISO 15552 mounting footprints.
This specific configuration includes a SUS304 stainless steel rod for superior corrosion resistance and a built-in magnet for position sensing. The dual sensor grooves on the barrel accept CMSE or DMSE switches, allowing for flexible mounting of proximity sensors along the 275 mm travel path.
Airtac SAI32 Standard Cylinder SAI32BX275S Technical Specifications
| Model | Airtac SAI32 Standard Cylinder SAI32BX275S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 275 mm |
| Acting type | Double acting |
| Port size | G1/8 |
| Rod thread | M10×1.25 |
| 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, 27 mm |
| Max stroke | Up to 1000 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 (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAI32 Standard Cylinder SAI32BX275S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | 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 SAI32 Standard Cylinder SAI32BX275S Is Used
Small Parts Ejection
Provides reliable 402 N push force to eject machined components from a fixture, utilizing the 275 mm stroke to clear the work area completely.
Package Diverting
Actuates a routing arm on a packaging line, where the SUS304 rod ensures longevity in environments with occasional washdowns or humidity.
Light Sorting Gates
Drives sorting flaps for small parcel handling, using the integrated magnet and CMSE sensors to confirm gate open and closed positions.
Is the Airtac SAI32 Standard Cylinder SAI32BX275S the Right Cylinder?
Selecting this 32 mm bore is optimal when your application requires 402 N of thrust at 0.5 MPa but does not justify the 628 N output of the larger 40 mm variant. Because the 275 mm stroke creates a relatively long unsupported rod extension, side-load bending can prematurely wear the rod bearing. For offset loads, utilize an external guide rail or switch to a guided cylinder to prevent rod deflection.
This model uses a PT tapered G1/8 port and operates between 30-800 mm/s. If the machinery loses air pressure, the piston will drift and cannot hold a load; apply an external pilot-operated check valve for position holding. To replace an existing unit, match the 32 mm bore, 275 mm stroke, and mounting hardware like the LB foot or FA flange.
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 SAI32 Standard Cylinder SAI32BX275S FAQ
At a 0.5 MPa operating pressure, this 32 mm bore cylinder generates 402 N of push force and 345 N of pull force. If pressure is increased to 0.7 MPa, the push force rises to 563 N.
Yes, the SAI32X275-S is dimensionally interchangeable per ISO 15552. You can drop it in as a replacement for other ISO 15552 profile cylinders by matching the 32 mm bore, 275 mm stroke, and mounting accessories.
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