Airtac SDAD Double Rod Slim Cylinder SDAD12X40S
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD12X40S is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø12mm bore, 40mm 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
- Stroke40 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 SDAD12X40S
The AirTAC SDAD12X40S is a compact double-acting cylinder featuring a 12mm bore and 40mm stroke, with a through-rod extending from both ends of its riveted body. Because the rod occupies both chambers, the annular area is identical in each direction, giving you exactly 42.4 N of push and pull force at 0.5 MPa. This equal force is ideal for symmetric loads.
The short body geometry saves axial mounting depth where larger profile cylinders cannot fit. A fixed NBR bumper decelerates the stroke ends, and the built-in magnet supports reed or electronic switches for position feedback. The 6mm rod on each end provides stable anti-rotation resistance for precise guiding.
Airtac SDAD Double Rod Slim Cylinder SDAD12X40S Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD12X40S |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø12 mm |
| Stroke | 40 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 SDAD12X40S
| SDAD | Compact double-acting cylinder, rod out both ends. |
|---|---|
| 12 | Bore size in mm. |
| ×40 | 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 SDAD12X40S Is Used
Micro Gripper Actuation
Drives a small symmetrical gripping jaw with equal 42.4 N force in both directions, preventing uneven wear on delicate electronic component clamps.
PCB Probe Positioning
The anti-rotation through-rod keeps a test probe perfectly aligned, while the compact riveted body fits into dense 40mm stroke testing fixtures.
Lab Sample Shuttling
Mounts a sample carrier on one rod end and a magnetic trigger flag on the other, using the built-in magnet for precise reed switch detection.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD12X40S the Right Cylinder?
When sizing this 12mm bore model, stepping up to the SDAD16 provides 86.4 N at 0.5 MPa if your application requires more force, while the SDAD12 sits at the bottom of the range. This unit provides a safe working load of roughly 25 N, or a vertical lift of about 2.2 kg with a 2:1 safety margin. The through-rod design prevents twisting and lets you drive a tool on one end while mounting a dog on the opposite side.
This configuration includes the S option for a piston magnet and female M3x0.5 rod-end threads with an M5x0.8 air port. Remember that a plain cylinder drifts when air is lost or the valve centers; use an external rod lock or pilot-operated check valve for strict load holding. The fixed bumper only decelerates near the stroke end.
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 SDAD12X40S FAQ
The double-rod design provides equal force in both directions: 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.
Yes, the through-rod extends from both sides, allowing you to drive a tool on one end and mount a switch dog on the other. The geometry also resists twisting during operation.
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Standard models are processed and dispatched in 3-5 business days.
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