Airtac SDAD Double Rod Slim Cylinder SDAD12X35
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD12X35 is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø12mm bore, 35mm stroke). The through-rod resists twisting and lets you drive a tool on one end while a switch or dog reads position on the other — with identical force in both directions.
- BoreØ12 mm
- Stroke35 mm
- Port sizeM5×0.8
- Acting typeDouble acting, double rod
- Rod threadM3×0.5 (F) / M5×0.8 (B)
- CushionFixed NBR bumper (both ends)
- 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 SDAD Double Rod Slim Cylinder SDAD12X35
The AirTAC SDAD12X35 is a compact double-acting cylinder featuring a 12mm bore and a 35mm stroke. Its through-rod design exits both ends of the riveted body, ensuring the annular area remains identical on extension and retraction. This geometry yields equal push and pull forces of 42.4 N at 0.5 MPa, providing stable symmetric motion for delicate mechanisms.
Because the 6mm piston rod occupies both chambers, it naturally resists twisting during operation. The short body profile saves valuable axial mounting depth in tight machinery. End-of-stroke deceleration is handled by a fixed NBR bumper rather than an adjustable air cushion. This specific SKU lacks a piston magnet, so position sensing is not supported without upgrading to the -S variant.
Airtac SDAD Double Rod Slim Cylinder SDAD12X35 Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD12X35 |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø12 mm |
| Stroke | 35 mm |
| Acting type | Double acting, rod both ends |
| Port size | M5×0.8 |
| Rod end thread | M3×0.5 female / M5×0.8 male (B) |
| 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 – 500 mm/s |
| Cushion | Fixed NBR bumper (both ends) |
| Max standard stroke | Up to 50 mm |
Because a rod occupies both cylinder chambers, the effective area — and therefore the force — is identical in both directions. Specifications follow the official AirTAC SDAD datasheet.
Theoretical Output Force (Ø12mm)
| Pressure | Force (both directions) |
|---|---|
| 0.5 MPa | 42 N |
| 0.7 MPa | 59 N |
| Max (@1.0 MPa) | 9 kgf |
Force uses the annular (rod-side) area on both strokes, so extend and retract match. Actual usable force is lower than theoretical due to friction. Size with a safety margin.
Model Code: Airtac SDAD Double Rod Slim Cylinder SDAD12X35
| SDAD | Compact double-acting cylinder, rod out both ends. |
|---|---|
| 12 | Bore size in mm. |
| ×35 | Stroke length in mm. |
| S | Built-in magnet for magnetic-switch sensing (omit = none). |
| B | Male-thread piston rods (omit = female thread). |
Thread: PT standard. Related SDA-family variants: SDA (single rod), SSA/STA (single acting), SDAJ (adjustable stroke), SDAT (duplex), SDAW (duplex-end).
Where the Airtac SDAD Double Rod Slim Cylinder SDAD12X35 Is Used
Micro Dispensing Head
Drives a precision valve on one rod end while the opposite end carries a dog, maintaining 42.4 N of symmetric force for consistent fluid shot volumes.
Thin Web Guide
Uses the anti-rotation through-rod to steer delicate films without twisting, fitting into shallow machine frames via its compact riveted body.
Small Part Ejector
Pushes lightweight plastic components out of a chute with equal extend and retract energy, preventing binding on the return stroke.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD12X35 the Right Cylinder?
When sizing this unit, consider the neighboring bore for your force requirements. Stepping up to the SDAD16 provides 86.4 N at 0.5 MPa, whereas this 12mm bore offers 42.4 N. A safe working load is roughly 25 N, allowing a vertical lift of about 2.2 kg with a 2:1 safety margin. The through-rod allows driving a tool on one end while mounting a dog on the opposite end.
This configuration features a 35mm stroke, M5x0.8 air port, and female M3x0.5 rod-end threads on both sides. Note that a standard cylinder drifts when air is lost or the valve centers, as the fixed bumper only decelerates near stroke end and does not act as a lock. For load holding without live pressure, install an external rod lock or pilot-operated check valve.
Quick checklist
- ✓ Need equal force both directions?
- ✓ Anti-rotation / dual-end mounting?
- ✓ Space for a rod that exits both ends
- ✓ Port/thread type (PT)
- ✓ Magnet (S) for sensors?
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Leave clearance for the rod exiting both ends.
- check Avoid side load on either rod end.
- check Front/rear covers are riveted — do not dismantle.
- check Installation by qualified personnel per AirTAC docs.
Airtac SDAD Double Rod Slim Cylinder SDAD12X35 FAQ
The double-rod design provides equal force in both directions. It generates 42.4 N at 0.5 MPa, 59.4 N at 0.7 MPa, and a theoretical maximum of 9 kgf at 1.0 MPa.
This specific SKU does not include a piston magnet, so it cannot accept reed or electronic switches. You must select the SDAD12X35S variant to enable position sensing.
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