Airtac SAI100 Standard Air Cylinder SAI100BX20
The AirTAC Airtac SAI100 Standard Air Cylinder SAI100BX20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 20mm 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
- Stroke20 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAI100 Standard Air Cylinder SAI100BX20
The AirTAC SAI100X20 is a double-acting ISO 15552 profile cylinder engineered for short-stroke, high-force applications. Operating at 0.5 MPa, it generates 3927 N of push force and 3681 N of pull force. The 20 mm stroke is a non-standard, made-to-order dimension tailored for compact clamping or pressing tasks where a full standard stroke is unnecessary.
This specific configuration features a SUS304 stainless steel piston rod (option B) for superior corrosion resistance. It uses PT tapered port threads and lacks a standard magnet. For operations requiring end-position sensing, you would need to specify the -S option to equip the barrel's dual sensor grooves with CMSE or DMSE switches.
Airtac SAI100 Standard Air Cylinder SAI100BX20 Technical Specifications
| Model | Airtac SAI100 Standard Air Cylinder SAI100BX20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 20 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 SAI100BX20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×20 | 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 SAI100BX20 Is Used
Short-Stroke Pressing
Delivers 3927 N of thrust in a compact 20 mm stroke for seating bearings or light stamping operations.
Heavy-Duty Clamping
Holds large workpieces securely during machining or welding using high force over a minimal travel distance.
Product Ejection
Provides a robust, high-impact push to eject finished metal or plastic parts from heavy-duty molds.
Is the Airtac SAI100 Standard Air Cylinder SAI100BX20 the Right Cylinder?
Select this 100 mm bore when 50 mm or 63 mm bores fall short on thrust—the 63 mm variant yields 1559 N at 0.5 MPa, whereas this SAI100X20 provides 3927 N. Because this is a 20 mm non-standard stroke, verify your mounting envelope accommodates the PT port and ISO 15552 interface. If your machinery demands drop-in dimensional interchangeability, this profile cylinder aligns with standard ISO 15552 mounting accessories like FA flanges or TC trunnions.
Note that the standard SAI lacks a position lock. If air pressure drops, the piston will drift, so use an external pilot-operated check valve or the SAIL locking variant for fail-safe load holding.
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 SAI100BX20 FAQ
At 0.5 MPa, the SAI100X20 generates 3927 N of push force and 3681 N of pull force. At 0.7 MPa, the push force increases to 5497 N.
Yes, it is a profile-barrel cylinder built to ISO 15552 dimensional standards, making it a drop-in replacement for other ISO 15552 cylinders using standard mounting accessories.
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