Airtac SAUD Double Rod Cylinder SAUD40X260
The AirTAC Airtac SAUD Double Rod Cylinder SAUD40X260 is a genuine double-acting profile-type standard air cylinder with a Ø40mm bore and 260mm stroke, 1/4" 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.
- BoreØ40 mm
- Stroke260 mm
- Port size1/4"
- Acting typeDouble acting
- Rod threadM12×1.25
- CushionAdjustable, 21 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 SAUD Double Rod Cylinder SAUD40X260
The AirTAC SAUD40X260 is a double-acting profile cylinder featuring a 40 mm bore and 260 mm stroke. Because a 16 mm rod protrudes from both ends, the push and pull forces are identical, yielding 528 N each way at 0.5 MPa. The extruded aluminum barrel keeps the unit shorter than a standard ISO 15552 cylinder of the same size. It uses a 1/4 inch port and adjustable 21 mm air cushions at both ends.
This twin-rod geometry prevents piston rotation and is ideal for guiding dual tooling. Based on the 528 N output, the safe working load is roughly 317 N, translating to a vertical lift capacity of about 27 kg with a 2:1 safety margin. Note this specific SKU lacks a magnet, so it cannot support CMSG or DMSG sensors. For high-heat environments up to 150 C, specify the Viton H seal option.
Airtac SAUD Double Rod Cylinder SAUD40X260 Technical Specifications
| Model | Airtac SAUD Double Rod Cylinder SAUD40X260 |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø40 mm |
| Stroke | 260 mm |
| Acting type | Double acting |
| Port size | 1/4" |
| Rod thread | M12×1.25 |
| 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 1200 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 (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 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 SAUD40X260
| SAU | Profile-type standard cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×260 | 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 SAUD40X260 Is Used
Dual-Tool Transfer
Drives two parallel pick-and-place heads simultaneously with equal push and pull force, keeping the stroke synchronized without twisting.
Balanced Vertical Lift
Lifts a 27 kg payload vertically using the equal rod-side area on both faces, ensuring smooth descent without gravity-induced overshoot.
Anti-Rotation Clamp
Holds a workpiece securely from both ends during machining, using the twin rods to resist torsional deflection under load.
Is the Airtac SAUD Double Rod Cylinder SAUD40X260 the Right Cylinder?
Choose this 40 mm bore if you need 528 N of equal bidirectional force. Sizing down, the 32 mm bore provides 345 N both ways, while sizing up to the 50 mm bore offers 825 N. A double rod is the right call when your mechanism demands anti-rotation stability or needs to drive two tools at once. Mounting is limited to Basic, FA flange, and LB foot styles, matching the AirTAC SC series. Because the 260 mm stroke exceeds 300 mm, ensure external guide rails carry any lateral load to prevent rod binding. Since this is a non-magnetic SKU, switch sensing is impossible.
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 SAUD40X260 FAQ
The force is equal in both directions because of the double-rod design. It generates 528 N at 0.5 MPa, 739 N at 0.7 MPa, and 950 N at 0.9 MPa. The 1/4 inch port supplies air to both chambers equally.
No, the air cushions only decelerate the piston near the stroke ends and do not act as a brake. The piston will drift on air loss. You must add an external rod lock or pilot-operated check valve to hold a suspended load safely.
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