
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD32X65S is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø32mm bore, 65mm 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.
The AirTAC SDAD32X65S is a double-acting, double-rod compact cylinder featuring a 32 mm bore and 65 mm stroke. Because the 12 mm piston rod exits both ends of the riveted body, the annular areas match perfectly, yielding identical push and pull forces of 345.6 N at 0.5 MPa. This symmetric output is ideal for driving loads without inducing directional bias.
The through-rod geometry inherently resists twisting, allowing you to mount a work tool on one end and a position dog on the opposite side simultaneously. End-of-stroke deceleration is handled by a fixed NBR bumper rather than an adjustable air cushion. The built-in magnet (-S) supports AirTAC reed or electronic switches via the body sensor grooves.
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD32X65S |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø32 mm |
| Stroke | 65 mm |
| Acting type | Double acting, rod both ends |
| Port size | PT1/8 |
| Rod end thread | M6×1.0 female / M10×1.25 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 120 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.
| Pressure | Force (both directions) |
|---|---|
| 0.5 MPa | 346 N |
| 0.7 MPa | 484 N |
| Max (@1.0 MPa) | 70 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.
| SDAD | Compact double-acting cylinder, rod out both ends. |
|---|---|
| 32 | Bore size in mm. |
| ×65 | 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).
Equal 345.6 N push and pull forces securely grip and release a transfer chuck without directional force bias, ensuring smooth part handoff.
The dual-exit through-rod resists twisting during high-speed web guiding, maintaining precise alignment while a dog triggers an electronic switch on the opposite end.
Lifting a 17.6 kg payload with a 2:1 margin is safely managed in both directions, with the fixed NBR bumper absorbing the end-of-stroke shock.
When sizing this 32 mm bore, compare its 345.6 N @0.5 MPa capacity against adjacent models: the SDAD25 provides 206.2 N, while the SDAD40 offers 527.8 N. A practical safe working load is roughly 207 N (about 60% of the 0.5 MPa figure), translating to a vertical lift of approximately 17.6 kg with a 2:1 safety margin. This specific unit includes the -S magnet for reed or electronic sensing and uses a PT1/8 port.
Remember that a plain double-rod cylinder drifts when air pressure is lost or the valve is centered; the fixed NBR bumper only decelerates near the stroke end and cannot hold a load. For vertical or suspended loads requiring position holding without live pressure, you must integrate an external rod lock or a pilot-operated check valve.
Quick checklist
The double-rod design provides equal force in both directions: 345.6 N at 0.5 MPa and 483.8 N at 0.7 MPa. The theoretical maximum is 70 kgf at 1.0 MPa. Operating pressure ranges from 0.15 to 1.0 MPa.
Yes. The through-rod extends from both ends, allowing you to drive a tool on one side while mounting a dog for a reed or electronic switch on the other. This model includes the -S magnet required for position sensing.
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