Airtac SAI100 Standard Air Cylinder SAI100X850
The AirTAC Airtac SAI100 Standard Air Cylinder SAI100X850 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 850mm 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
- Stroke850 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAI100 Standard Air Cylinder SAI100X850
The AirTAC SAI100X850 is a double-acting ISO 15552 profile cylinder offering a robust 3927 N of push force and 3681 N of pull force at 0.5 MPa. This 850 mm stroke variant is tailored for automated machinery requiring substantial linear displacement over long distances. The extruded aluminum barrel design omits traditional tie-rods, providing a clean exterior and integral sensor grooves on both sides for straightforward position feedback.
This configuration features a standard carbon steel piston rod and PT tapered port threads. For environments with elevated thermal demands, the cylinder can be specified with Viton (H) seals to handle higher operating temperatures, while the standard TPU seals suit general industrial use. As a genuine AirTAC component, it guarantees reliable performance and straightforward integration into new or existing ISO 15552 compliant assemblies.
Airtac SAI100 Standard Air Cylinder SAI100X850 Technical Specifications
| Model | Airtac SAI100 Standard Air Cylinder SAI100X850 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 850 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 SAI100X850
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×850 | 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 SAI100X850 Is Used
Long-Stroke Material Handling
Ideal for pushing heavy pallets or product accumulators across wide conveyor transfer zones where the 850 mm stroke and 3927 N force at 0.5 MPa easily overcome friction.
Large Assembly Press
Provides the sustained linear motion required to seat large housings or bearings in heavy equipment assembly lines, utilizing the full stroke length for deep reach.
Automated Welding Positioner
Moves heavy welding fixtures into precise alignment, relying on the ISO 15552 mounting interface for rigid attachment and the profile barrel for optional sensor tracking.
Is the Airtac SAI100 Standard Air Cylinder SAI100X850 the Right Cylinder?
Selecting this 100 mm bore cylinder makes sense when your application requires thrust exceeding the 2513 N push force of the 80 mm bore at 0.5 MPa, but does not necessitate stepping up to the 125 mm class. At 850 mm of stroke, the unsupported rod length is significant; side loads will induce severe bending stresses on the rod bearing. To prevent premature seal failure and rod deformation, pair this unit with an external linear guide or specify a guided cylinder module to absorb lateral forces.
This model uses a G1/2 port and an M20x1.5 rod thread. It serves as a direct dimensional drop-in replacement per the ISO 15552 mounting interface. Because it lacks a magnet (-S), it cannot host reed or electronic sensors directly; if position detection is needed, specify the -S option. Note that the adjustable air cushions at both ends decelerate the piston near stroke limits but do not lock the load; if power drops, the rod will drift. Use a SAIL or BSAI variant if mechanical holding is required.
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 SAI100X850 FAQ
At 0.5 MPa operating pressure, the SAI100X850 generates 3927 N of push force and 3681 N of pull force. If the pressure is increased to 0.7 MPa, the push force rises to 5497 N.
Yes, the SAI100X850 is dimensionally interchangeable with other ISO 15552 profile cylinders. You can drop it into existing mounts using its standard FA, FB, or TC accessories, provided the G1/2 port and M20x1.5 rod thread match your plumbing setup.
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