
The AirTAC Airtac SAUD Double Rod Cylinder SAUD100X425S is a genuine double-acting profile-type standard air cylinder with a Ø100mm bore and 425mm stroke, 1/2" 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.
The AirTAC SAUD100X425S is a double-acting, double-rod profile cylinder. A Ø25mm rod protrudes from both ends, meaning both faces use the rod-side piston area. This makes the push and pull force equal, delivering 3681 N each way at 0.5 MPa. The extruded aluminum barrel keeps the unit shorter than a standard ISO 15552 cylinder of the same bore.
This 100mm bore model features a 1/2 inch port and a 425mm stroke. The -S suffix indicates a built-in piston magnet for CMSG, DMSG or EMSG switches. A Viton H seal option can raise the operating temperature to 150 C.
| Model | Airtac SAUD Double Rod Cylinder SAUD100X425S |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø100 mm |
| Stroke | 425 mm |
| Acting type | Double acting |
| Port size | 1/2" |
| Rod thread | M20×1.5 |
| 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, 29 mm |
| Max stroke | Up to 1500 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.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3682 N | 3682 N |
| 0.7 MPa | 5154 N | — |
| Max (@1.0 MPa) | 751 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| SAU | Profile-type standard cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×425 | 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.
Drives two opposing machining heads simultaneously with equal 3681 N force, ensuring perfectly balanced material removal.
Lifts heavy vertical loads up to 188 kg without twisting, using the inherent guidance of the dual-rod assembly.
Uses the extended back rod as a cam to trigger CMSG sensors, confirming full extension in compact automated cells.
When sizing this double-rod unit, compare both ways: the 100mm bore yields 3681 N, while the smaller 80mm bore yields 2268 N. Choose the SAUD when you need synchronized motion, anti-rotation guidance, or a back rod to trip a switch. Mounting is limited to Basic, FA and LB styles, matching the AirTAC SC series. Because the 425mm stroke is long, always use external guides to prevent rod bending under side loads. Remember that a plain cylinder drifts on air loss; the 29mm adjustable cushion only decelerates near the end of travel, so fit an external rod lock for held loads.
Quick checklist
Because the 25mm rod exits both ends, the force is equal in both directions. It provides 3681 N at 0.5 MPa, 5153 N at 0.7 MPa, and 6626 N at 0.9 MPa. The unit uses a 1/2 inch port.
No. The adjustable air cushions only decelerate the piston near the stroke ends; they do not lock the load. If power fails, the rod will drift. You must add an external rod lock or pilot-operated check valve for secure load holding.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
Standard models are processed and dispatched in 3-5 business days.
Most inquiries answered within 7-8 hours.
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.