Airtac SAI32 Standard Cylinder SAI32BX85
The AirTAC SAI32 Standard Cylinder SAI32BX85 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 85mm 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
- Stroke85 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 SAI32BX85
The AirTAC SAI32X85 is a double-acting ISO 15552 profile cylinder built for standardized mounting. Delivering a push force of 402 N at 0.5 MPa, this 32 mm bore unit with an 85 mm stroke fits compact automation setups. The extruded aluminum barrel skips external tie-rods for a clean exterior.
This specific configuration features a SUS304 stainless steel piston rod for superior corrosion resistance in humid or washdown environments. It uses PT tapered port threads and lacks a piston magnet, focusing purely on mechanical actuation without sensor tracking.
Airtac SAI32 Standard Cylinder SAI32BX85 Technical Specifications
| Model | Airtac SAI32 Standard Cylinder SAI32BX85 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 85 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 SAI32BX85
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×85 | 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 SAI32BX85 Is Used
Small Part Ejection
Uses the 402 N push force to reliably kick small plastic or metal parts out of a machining center.
Package Diverting
Actuates a short 85 mm stroke diverter arm to route lightweight boxes on a packaging line.
Clamp Actuation
Closes small pneumatic clamps on a welding fixture where the SUS304 rod resists spatter and coolant.
Is the Airtac SAI32 Standard Cylinder SAI32BX85 the Right Cylinder?
Choose this 32 mm bore when an application demands exactly 402 N of push force at 0.5 MPa. If your fixture requires less energy, stepping down is not an option as this is the smallest SAI size, but stepping up to the 40 mm bore yields 628 N for heavier payloads. Because the stroke is under 300 mm, side-load stress on the rod bearing is minimal.
This model is dimensionally interchangeable per ISO 15552, serving as a direct replacement for other standard profile cylinders. To match this exact unit, specify an 85 mm stroke, a G1/8 port, and your preferred mounting accessory like an LB foot or FA flange. Note that a standard SAI relies on continuous air pressure to hold a load; if pneumatic failure causes drifting, select the SAIL variant with an air-released lock.
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 SAI32BX85 FAQ
At 0.5 MPa, this 32 mm bore cylinder provides a push force of 402 N and a pull force of 345 N. At 0.7 MPa, the push force increases to 563 N.
Yes. The SAI32X85 is a true ISO 15552 profile cylinder, making it dimensionally interchangeable with other ISO 15552 cylinders. It serves as a direct replacement when matching the 32 mm bore, 85 mm stroke, and G1/8 port.
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