Airtac SAI32 Standard Cylinder SAI32BX70
The AirTAC SAI32 Standard Cylinder SAI32BX70 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 70mm 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
- Stroke70 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 SAI32BX70
The AirTAC SAI32X70 is a double-acting ISO 15552 profile cylinder engineered for compact automation. Delivering a push force of 402 N at 0.5 MPa, this 32 mm bore unit with a 70 mm stroke excels in light-duty positioning. The extruded aluminum barrel design omits tie-rods, providing a clean exterior that resists debris accumulation.
This specific configuration utilizes a SUS304 stainless steel piston rod (material code B), offering superior corrosion resistance for humid or washdown settings. Fluid ports feature PT tapered threading, and because no magnet is specified, it ships without sensor tracks. For high-temperature environments up to 70 C, TPU seals come standard, though Viton (H) alternatives are available.
Airtac SAI32 Standard Cylinder SAI32BX70 Technical Specifications
| Model | Airtac SAI32 Standard Cylinder SAI32BX70 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 70 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 SAI32BX70
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×70 | 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 SAI32BX70 Is Used
Small Part Ejection
Provides the 402 N push force needed to eject small molded components from a fixture reliably without damaging the product.
Package Diverting
Actuates a short-stroke diverter arm to route lightweight packages on a conveyor system where a 70 mm reach is sufficient.
Clamp Actuation
Drives a secondary clamping mechanism to hold thin materials in place during a light machining or gluing process.
Is the Airtac SAI32 Standard Cylinder SAI32BX70 the Right Cylinder?
Selecting the SAI32X70 is optimal when your application requires precise, short-stroke movements within a 402 N push envelope at 0.5 MPa. If your project demands less than 345 N of pull force at that same pressure, stepping down is unnecessary, but if you need substantially more thrust, consider the 40 mm bore variant which outputs 628 N. Because the stroke is only 70 mm, side-load stress on the rod bearing is minimal compared to longer travels.
This model serves as a dimensionally interchangeable direct replacement per ISO 15552 standards, matching competitor mounting footprints exactly. To integrate it, pair it with PT-threaded fittings, utilize standard FA or LB mounting accessories, and note that because -S is unspecified, position sensing is not possible without modification. Remember that standard double-acting cylinders drift when air pressure is removed; utilize an external pilot check valve if you must arrest movement during an exhaust event.
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 SAI32BX70 FAQ
At an operating pressure of 0.5 MPa, this 32 mm bore cylinder generates a push force of 402 N and a pull force of 345 N. If pressure is increased to 0.7 MPa, the push force rises to 563 N.
Yes, the SAI32X70 is a true ISO 15552 profile cylinder, making it dimensionally interchangeable with other ISO 15552 cylinders of the same bore size. You can use it as a direct replacement by matching the PT port threads and standard mounting accessories.
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