Airtac SAI100 Standard Air Cylinder SAI100BX185
The AirTAC Airtac SAI100 Standard Air Cylinder SAI100BX185 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 185mm stroke, G1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ100 mm
- Stroke185 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAI100 Standard Air Cylinder SAI100BX185
The AirTAC SAI100X185 is a double-acting ISO 15552 profile cylinder engineered for heavy-duty automation. Delivering a robust 3927 N push force at 0.5 MPa, this 100 mm bore unit handles substantial loads with ease. The 185 mm stroke is a non-standard made-to-order length, tailored for specialized machine spacing requirements.
This specific configuration features a SUS304 stainless steel piston rod (option B) for superior corrosion resistance in humid or washdown environments. It utilizes PT tapered port threads and lacks a magnet, meaning it is optimized purely for actuation rather than electronic position sensing.
Airtac SAI100 Standard Air Cylinder SAI100BX185 Technical Specifications
| Model | Airtac SAI100 Standard Air Cylinder SAI100BX185 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 185 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| 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 (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAI100 Standard Air Cylinder SAI100BX185
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×185 | 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 SAI100 Standard Air Cylinder SAI100BX185 Is Used
Heavy Stamping
Provides the 3927 N push force at 0.5 MPa required to actuate heavy-duty stamping and forming presses.
Automotive Welding
The SUS304 stainless steel rod withstands harsh, high-temperature welding environments without corroding.
Pallet Handling
Ideal for shifting heavy pallets or lifting components where a non-standard 185 mm travel distance is required.
Is the Airtac SAI100 Standard Air Cylinder SAI100BX185 the Right Cylinder?
With its 185 mm stroke, this cylinder approaches the threshold where side loads can stress the rod bearing. For applications exceeding standard stroke lengths, consider an external guide rail to prevent rod deflection. If your application requires position feedback, step up to the SAI100X185-S variant to accommodate CMSE or DMSE sensors in the dual barrel grooves.
If you need to hold a load vertically without continuous air pressure, remember that the standard adjustable air cushion only decelerates the piston at stroke end and does not act as a brake. For fail-safe load holding, select the SAIL (air-released lock) or BSAI (bidirectional clamp-lock) variant. This profile cylinder is dimensionally interchangeable per ISO 15552, serving as a drop-in replacement for other ISO 15552 cylinders.
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 SAI100 Standard Air Cylinder SAI100BX185 FAQ
At 0.5 MPa, this 100 mm bore cylinder generates 3927 N of push force and 3681 N of pull force. At 0.7 MPa, the push force increases to 5497 N.
Yes, the SAI is a true ISO 15552 profile cylinder. It is dimensionally interchangeable with other ISO 15552 cylinders, matching the standard mounting interface, 100 mm bore, and 185 mm stroke.
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