Airtac SAUD Double Rod Cylinder SAUD32X155S
The AirTAC Airtac SAUD Double Rod Cylinder SAUD32X155S is a genuine double-acting profile-type standard air cylinder with a Ø32mm bore and 155mm 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
- Stroke155 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SAUD Double Rod Cylinder SAUD32X155S
The AirTAC SAUD32X155S is a double-acting, double-rod profile cylinder. A 12mm rod exits both ends, meaning push and pull forces are identical at 345 N each way when operating at 0.5 MPa. The extruded aluminum barrel keeps the body shorter than a standard ISO 15552 unit of the same 32mm bore. It features a 1/8 inch port and M10x1.25 rod threads.
This unit includes the -S magnet option for CMSG, DMSG, or EMSG switches. The rear protruding rod is perfect for mounting a sensor cam or tripping a limit switch. Based on the 345 N output, the 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 can raise the operating temperature to 150 C.
Airtac SAUD Double Rod Cylinder SAUD32X155S Technical Specifications
| Model | Airtac SAUD Double Rod Cylinder SAUD32X155S |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø32 mm |
| Stroke | 155 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 SAUD32X155S
| SAU | Profile-type standard cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×155 | 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 SAUD32X155S Is Used
Synchronized Transfer
Drives two parallel pick-and-place fingers simultaneously with equal push and pull force.
Rear Cam Sensing
Uses the extended back rod to trip an external limit switch or carry a magnetic sensor cam.
Anti-Rotation Tooling
Prevents piston twist during vertical clamping tasks where a single rod would bind.
Is the Airtac SAUD Double Rod Cylinder SAUD32X155S the Right Cylinder?
Choose this 32mm bore if you need 345 N of equal bidirectional force. Sizing up to the 40mm bore yields 528 N both ways, while dropping to a smaller bore is unavailable in this series. The double-rod architecture is ideal for anti-rotation guidance, driving twin tooling, or rear-end sensing. Mounting is limited to Basic, FA, and LB styles compatible with the AirTAC SC series. At 155mm stroke, side loads are minimal, but external guides should always support the load. The -S magnet enables electronic position sensing.
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 SAUD32X155S FAQ
Because the double rod occupies area on both faces, 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. The 1/8 inch port supplies air to both chambers.
No. The air cushions only decelerate the piston near the stroke ends; they do not lock the position. If power fails, the load will drift. Use an external pilot-operated check valve or rod lock for secure holding.
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