Airtac SDAD Double Rod Slim Cylinder SDAD12X35B
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD12X35B 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 SDAD12X35B
The AirTAC SDAD12X35B is a compact double-acting cylinder featuring a 12 mm bore and 35 mm stroke, with piston rods exiting both ends of its short riveted body. Because a rod occupies each chamber, the annular area is identical in both directions, meaning push force equals pull force at 42.4 N under 0.5 MPa. This symmetric output is highly advantageous for balanced tooling operations.
This specific SKU includes male M5x0.8 rod-end threads on both sides and uses an M5x0.8 air port. The through-rod geometry inherently resists twisting during actuation. End-of-stroke deceleration is handled by a fixed NBR bumper, which absorbs shock but is not an adjustable air cushion. Note that this base unit lacks a piston magnet, so position sensing is not supported without the -S variant.
Airtac SDAD Double Rod Slim Cylinder SDAD12X35B Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD12X35B |
|---|---|
| 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 SDAD12X35B
| 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 SDAD12X35B Is Used
Micro-Gripper Actuation
Drives small parallel grippers where the 42.4 N equal push and pull force ensures components are clamped securely without rotational deflection.
Symmetric Transfer Arm
Mounts a pickup tool on one male M5x0.8 rod end and a counterweight on the other, utilizing the through-rod design for balanced horizontal transfers.
Lab Sample Ejector
Ejects delicate test tubes from a carousel using the compact 12 mm body footprint, relying on the fixed NBR bumper to soften the end of stroke.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD12X35B the Right Cylinder?
When sizing this 12 mm bore model, consider the adjacent SDAD16, which provides 86.4 N at 0.5 MPa if your application requires greater thrust. Downward sizing is not applicable as 12 mm is the smallest available option in this series. A safe working load for the SDAD12X35B is approximately 25 N, representing about 60 percent of its 42.4 N capacity at 0.5 MPa, which translates to a vertical lift capability of roughly 2.2 kg with a 2:1 safety margin.
The dual-end male M5x0.8 threads allow you to drive a mechanism on one side while mounting a mechanical stop on the opposite end. Remember that a standard cylinder does not hold position if air pressure is lost or the valve is centered; the piston will drift. For load holding without live pressure, integrate an external rod lock or a pilot-operated check valve. Operating speed ranges from 30-500 mm/s.
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 SDAD12X35B FAQ
The double-rod design provides equal force in both directions. It outputs 42.4 N at 0.5 MPa, 59.4 N at 0.7 MPa, and has a theoretical maximum of 9 kgf at 1.0 MPa.
No, this specific SKU does not have a piston magnet. You must select the -S variant to use AirTAC reed or electronic switches. The dual male M5x0.8 rods do allow external mechanical sensing on the opposite end.
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