Airtac SAUD Double Rod Cylinder SAUD32X240S
The AirTAC Airtac SAUD Double Rod Cylinder SAUD32X240S is a genuine double-acting profile-type standard air cylinder with a Ø32mm bore and 240mm stroke, 1/8" air ports and adjustable end cushioning. Its hard-anodized aluminum-profile barrel is shorter than an ISO 15552 cylinder of the same bore, and it shares SC-series mounting accessories.
- BoreØ32 mm
- Stroke240 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SAUD Double Rod Cylinder SAUD32X240S
The AirTAC SAUD32X240S is a double-acting, double-rod profile cylinder. A 12mm rod exits both ends, meaning both faces use the rod-side piston area to generate exactly 345 N of thrust and pull at 0.5 MPa. The extruded aluminium barrel is purposefully shorter than an ISO 15552 unit of the same 32mm bore. It uses a 1/8 inch port and M10x1.25 rod threads.
This -S variant includes a piston magnet for CMSG, DMSG or EMSG switches. The rear rod is ideal for mounting a sensor cam or tripping an external limit switch. Based on the 345 N output, your safe working load is roughly 207 N, translating to a vertical lift capacity of about 18 kg with a 2:1 safety margin. A Viton H seal option raises the operating ceiling to 150 C.
Airtac SAUD Double Rod Cylinder SAUD32X240S Technical Specifications
| Model | Airtac SAUD Double Rod Cylinder SAUD32X240S |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø32 mm |
| Stroke | 240 mm |
| Acting type | Double acting |
| Port size | 1/8" |
| Rod thread | M10×1.25 |
| 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, 21 mm |
| Max stroke | Up to 1000 mm |
Specifications follow the official AirTAC SAU series datasheet. Confirm against the product label before installation. Thread options: PT (blank) / G (BSPP). A high-temperature seal (0-150 °C) is available.
Theoretical Output Force (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAUD Double Rod Cylinder SAUD32X240S
| SAU | Profile-type standard cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×240 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related SAU-family variants: SAUD (double rod), SAUJ (adjustable stroke), SAUF (with built-in solenoid valve), and SAU-S with built-in magnet. Seals: TPU (blank) / Viton H / NBR N. Sensor switches: CMSG / DMSG / EMSG.
Where the Airtac SAUD Double Rod Cylinder SAUD32X240S Is Used
Twin Tool Synchronization
Drives two opposing pick-off fingers simultaneously with identical 345 N force, ensuring parts are centered without rotational twist.
Sensor Cam Tracking
Uses the extended back rod to physically trip a limit switch or carry a magnetic cam for precise end-of-stroke confirmation.
Anti-Rotation Ejection
Ejects small machined components from a fixture squarely, relying on the dual rods to prevent piston yaw during the 240mm travel.
Is the Airtac SAUD Double Rod Cylinder SAUD32X240S the Right Cylinder?
Choose this 32mm bore when you need 345 N of equal bidirectional force. Sizing up, the 40mm bore provides 528 N each way; sizing down is not possible as 32mm is the smallest available. A double rod is the correct choice for anti-rotation guidance, driving twin tooling, or rear-end sensing. Mounting is limited to Basic, FA flange, and LB foot styles, matching the AirTAC SC series. At 240mm stroke, external guide rails are recommended to prevent side-load sagging. Remember that a plain cylinder drifts without live air; use an external rod lock for load holding.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/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 — same as SC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SAUD Double Rod Cylinder SAUD32X240S FAQ
Because the 12mm rod protrudes from both ends, the force is equal in both directions: 345 N at 0.5 MPa, 483 N at 0.7 MPa, and 621 N at 0.9 MPa. It never produces a larger single-rod push value.
No. The adjustable 21mm air cushions only decelerate the piston near stroke end; they do not lock the position. Without live air the load will drift. For secure holding, install an external pilot-operated check valve or rod lock.
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