Airtac SAI50 Standard Cylinder SAI50X70S
The AirTAC SAI50 Standard Cylinder SAI50X70S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø50mm bore and 70mm stroke, G1/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ50 mm
- Stroke70 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 30 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 SAI50 Standard Cylinder SAI50X70S
The AirTAC SAI50X70-S is a double-acting ISO 15552 profile cylinder engineered for mid-range linear motion tasks. It supplies a push force of 982 N at 0.5 MPa, making it well-suited for moderate-load positioning over its 70 mm stroke. The extruded aluminum barrel design omits tie rods, providing a clean exterior that simplifies mounting and maintenance.
This specific configuration includes a standard carbon steel piston rod and a built-in magnet (-S) for proximity sensing. The barrel features sensor grooves on both sides, allowing direct mounting of CMSE or DMSE reed switches without additional brackets. Fluid porting utilizes PT tapered threads, and adjustable air cushions at both ends ensure smooth end-of-stroke deceleration.
Airtac SAI50 Standard Cylinder SAI50X70S Technical Specifications
| Model | Airtac SAI50 Standard Cylinder SAI50X70S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 70 mm |
| Acting type | Double acting |
| Port size | G1/4 |
| Rod thread | M16×1.5 |
| 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, 30 mm |
| Max stroke | Up to 1200 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 (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (@1.0 MPa) | 200 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAI50 Standard Cylinder SAI50X70S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 50 | 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 SAI50 Standard Cylinder SAI50X70S Is Used
Component Clamping
Secures medium-weight workpieces during machining operations, utilizing the 982 N push force to hold parts rigidly against cutting forces.
Package Diverting
Actuates sorting arms or pusher blades on conveyor lines, where the 70 mm stroke provides rapid and precise lateral redirection of goods.
Pallet Stop Gates
Controls entry and exit points on roller conveyors, using the integrated -S magnet to confirm gate position for the safety control system.
Is the Airtac SAI50 Standard Cylinder SAI50X70S the Right Cylinder?
If your application requires slightly less force, stepping down to a 40 mm bore yields 628 N at 0.5 MPa, while upgrading to a 63 mm bore provides 1559 N for heavier payloads. Because this 70 mm stroke is relatively short, rod-bearing bending is minimal, and standard mounting accessories like FA flanges or LB foot brackets are sufficient. For applications requiring position holding without continuous air pressure, pair this cylinder with the SAIL locking variant or an external pilot-operated check valve. As a true ISO 15552 cylinder, it serves as a direct replacement for any standard ISO 15552 profile cylinder with a 50 mm bore, 70 mm stroke, PT G1/4 ports, and a -S magnet.
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 SAI50 Standard Cylinder SAI50X70S FAQ
The SAI50X70-S generates a push (extend) force of 982 N at 0.5 MPa and 1374 N at 0.7 MPa. The pull (retract) force is 825 N at 0.5 MPa.
Yes, the SAI50X70-S is dimensionally interchangeable per ISO 15552. You can drop it in as a replacement for other ISO 15552 profile cylinders with a 50 mm bore, 70 mm stroke, and G1/4 ports.
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Standard models are processed and dispatched in 3-5 business days.
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