
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD32X120SB is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø32mm bore, 120mm 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 SDAD32X120SB is a double-acting, double-rod compact cylinder featuring a 32 mm bore and 120 mm stroke. Because the piston rod exits both ends, the annular area is identical in each chamber, yielding equal push and pull forces of 345.6 N at 0.5 MPa. This symmetric output is ideal for balanced actuation tasks.
Equipped with a built-in magnet for position sensing and male M10x1.25 rod threads on both ends, this unit maximizes mounting versatility. The short riveted body saves axial depth compared to standard bodies, while the fixed NBR bumper decelerates the piston at stroke extremes. Operating speed spans 30-500 mm/s.
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD32X120SB |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø32 mm |
| Stroke | 120 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. |
| ×120 | 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).
Drives dual-sided gating where the 345.6 N equal force ensures smooth, balanced part routing without twist.
Mounts a machining head on one male M10x1.25 end and a position dog on the other for synchronized processing.
Handles 17.6 kg vertical lifts with a 2:1 margin, using the through-rod to resist torsional side loads.
When sizing this 32 mm bore model, the adjacent SDAD25 provides 206.2 N at 0.5 MPa, whereas stepping up to the SDAD40 yields 527.8 N at 0.5 MPa. The through-rod geometry prevents twisting during operation and permits driving a tool on one end while mounting a dog on the opposite side. The computed safe working load is roughly 207 N, allowing a vertical lift of approximately 17.6 kg with a 2:1 safety margin.
This configuration includes the -S magnet for AirTAC reed or electronic switches and the -B male M10x1.25 rod threads at both ends. Air enters via PT1/8 ports. Note that a plain cylinder drifts when air is lost or the valve centers; the fixed bumper only decelerates near the stroke end. Use an external rod lock or pilot-operated check valve for strict load holding.
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.
The through-rod resists twisting and allows you to mount tooling on one end while tracking position with a reed or electronic switch on the opposite end via the built-in magnet.
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