Airtac SAI100 Standard Air Cylinder SAI100X70
The AirTAC Airtac SAI100 Standard Air Cylinder SAI100X70 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 70mm 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
- Stroke70 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAI100 Standard Air Cylinder SAI100X70
The AirTAC SAI100X70 is a double-acting ISO 15552 profile cylinder featuring a 100mm bore and a 70mm stroke. It delivers a robust push force of 3927 N at 0.5 MPa, making it well-suited for heavy-duty positioning and high-thrust automation tasks. The extruded aluminum barrel design omits tie rods, providing a clean exterior that simplifies mounting and sensor placement.
This specific configuration uses a standard carbon steel piston rod and PT tapered port threads. For environments requiring higher temperature resistance, the seals can be upgraded from standard TPU to Viton (H). The barrel also includes integrated sensor grooves on both sides, allowing for direct mounting of CMSE or DMSE switches when a magnet is specified.
Airtac SAI100 Standard Air Cylinder SAI100X70 Technical Specifications
| Model | Airtac SAI100 Standard Air Cylinder SAI100X70 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 70 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 SAI100X70
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | 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 SAI100 Standard Air Cylinder SAI100X70 Is Used
Heavy-Duty Stamping
Provides the necessary 3927 N of thrust at 0.5 MPa for pressing, stamping, and riveting operations requiring high force over a short 70mm distance.
Pallet Diverting
Actuates heavy diverter arms or pop-up stops on conveyor lines, using its 70mm stroke to move substantial product loads efficiently.
Clamping Fixtures
Secures large workpieces or molds during machining or assembly, taking advantage of the 100mm bore's strong holding force and rigid construction.
Is the Airtac SAI100 Standard Air Cylinder SAI100X70 the Right Cylinder?
Choose this 100mm bore size when a 80mm cylinder lacks sufficient thrust, as stepping up from the 80mm bore increases the 0.5 MPa push force from 2513 N to 3927 N. The 70mm stroke is ideal for short, high-force movements. Because this stroke is relatively short, rod-bearing bending is not a primary concern, but side loads should still be minimized.
This model uses a G1/2 port and a standard 100mm bore ISO 15552 mounting interface, making it a drop-in replacement for other profile cylinders of the same dimensions. It is equipped with adjustable air cushions at both ends to decelerate the piston. Note that the air cushion only slows the piston near stroke end; it does not hold the load. If pressure is lost, the rod drifts, so use the SAIL lock variant or an external pilot-operated check valve for position 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 SAI100X70 FAQ
The SAI100X70 cylinder provides a push force of 3927 N and a pull force of 3681 N at 0.5 MPa. At 0.7 MPa, the push force increases to 5497 N.
Yes, the SAI100X70 is dimensionally interchangeable per ISO 15552. It shares the same 100mm bore, 70mm stroke, and G1/2 port interface, allowing it to serve as a drop-in replacement for other standard ISO 15552 profile cylinders.
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