Airtac SAUD Double Rod Cylinder SAUD32X20
The AirTAC Airtac SAUD Double Rod Cylinder SAUD32X20 is a genuine double-acting profile-type standard air cylinder with a Ø32mm bore and 20mm 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
- Stroke20 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SAUD Double Rod Cylinder SAUD32X20
The AirTAC SAUD32X20 is a double-acting, double-rod profile cylinder featuring a 32 mm bore and a 20 mm stroke. A 12 mm rod exits both ends, meaning both faces use the rod-side piston area. Output is equal in both directions at 345 N each way at 0.5 MPa. The 1/8 inch port supplies air, while the hard-anodized extruded aluminum barrel keeps the body shorter than a standard ISO 15552 unit of the same bore.
Because the rear rod protrudes, it can drive twin tools or carry a switch cam, providing excellent anti-twist guidance. This specific SKU lacks a magnet, so it cannot accept CMSG or DMSG sensors. For sizing, the safe working load is roughly 207 N (about 60 percent of the 0.5 MPa force), translating to a vertical lift capacity of 18 kg with a 2:1 safety margin.
Airtac SAUD Double Rod Cylinder SAUD32X20 Technical Specifications
| Model | Airtac SAUD Double Rod Cylinder SAUD32X20 |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø32 mm |
| Stroke | 20 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 SAUD32X20
| SAU | Profile-type standard cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×20 | 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 SAUD32X20 Is Used
Gripper Synchronization
Drives two opposing mechanical fingers simultaneously with equal 345 N force, ensuring perfectly centered clamping of small electronic components.
Twin Tool Actuation
Powers a dual-head stamping or marking station where both ends must extend and retract identically to maintain cycle timing.
Anti-Rotation Lift
Elevates light 18 kg platform assemblies without twisting, using the inherent guidance of the dual-rod construction to prevent deflection.
Is the Airtac SAUD Double Rod Cylinder SAUD32X20 the Right Cylinder?
Choose this 32 mm bore model when you need 345 N of equal bidirectional force. If your application requires less push, the smaller SC series footprint is incompatible here, but if you need more power, stepping up to a 40 mm bore yields 528 N both ways. The double-rod architecture is ideal for non-rotating loads, synchronized dual-tool driving, or mounting a switch cam on the back rod. Mounting options are limited to Basic, FA flange, and LB foot styles. Since the 20 mm stroke is very short, side-load risks are minimal, but always guide external loads. Note that this non-magnetic SKU cannot host position sensors.
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 SAUD32X20 FAQ
The force is equal both ways because a 12 mm rod exits both ends. It generates 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 and do not act as a brake. For load holding on air loss, you must install an external rod lock or a pilot-operated check valve.
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