Airtac SAUD Double Rod Cylinder SAUD50X55S
The AirTAC Airtac SAUD Double Rod Cylinder SAUD50X55S is a genuine double-acting profile-type standard air cylinder with a Ø50mm bore and 55mm 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.
- BoreØ50 mm
- Stroke55 mm
- Port size1/4"
- Acting typeDouble acting
- Rod threadM16×1.5
- 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 SAUD50X55S
The AirTAC SAUD50X55S is a double-acting, double-rod profile cylinder. A piston rod exits both ends, meaning the push and pull forces are identical at 825 N each way at 0.5 MPa. The extruded hard-anodized aluminum barrel makes it shorter than an ISO 15552 cylinder of the same 50 mm bore. It features a 1/4 inch port and an M16x1.5 rod thread.
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 switch. Based on the 825 N output, the safe working load is roughly 495 N, which translates to a vertical lift capacity of about 42 kg with a 2:1 safety margin.
Airtac SAUD Double Rod Cylinder SAUD50X55S Technical Specifications
| Model | Airtac SAUD Double Rod Cylinder SAUD50X55S |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø50 mm |
| Stroke | 55 mm |
| Acting type | Double acting |
| Port size | 1/4" |
| 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, 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 (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 SAUD Double Rod Cylinder SAUD50X55S
| SAU | Profile-type standard cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×55 | 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 SAUD50X55S Is Used
Twin Tool Transfer
Drives two synchronized work heads from one piston, keeping timing identical on both strokes.
Anti-Rotation Lift
Lifts thin panels without twisting, using the dual rods to resist angular torque during travel.
Cam-Triggered Sorting
Uses the back rod to carry a switch cam, confirming position from the rear while the front works.
Is the Airtac SAUD Double Rod Cylinder SAUD50X55S the Right Cylinder?
Choose this 50 mm bore if you need 825 N of equal bidirectional force. Sizing down, the 40 mm bore provides 528 N both ways. Sizing up, the 63 mm bore yields 1402 N both ways. A double-rod design is the right call 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 a 55 mm stroke, side loads are minimal, but always use external guides for longer travels.
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 SAUD50X55S FAQ
Because rods exit both ends, force is equal in both directions: 825 N at 0.5 MPa, 1154 N at 0.7 MPa, and 1484 N at 0.9 MPa.
No, the air cushions only decelerate near the stroke ends. For load holding on air loss, install an external rod lock or a pilot-operated check valve.
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Covers non-human-caused product damage.
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