
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD16X15S is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø16mm bore, 15mm 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 SDAD16X15S is a compact double-acting cylinder with a piston rod exiting both ends of its riveted body. Because a rod occupies each chamber, the annular area is identical on extend and retract, yielding an equal push and pull force of 86.4 N at 0.5 MPa. This symmetry is a major advantage when driving loads that must not bias to one side.
The through-rod geometry resists twisting and lets you mount a work tool on one end while fitting a dog or switch on the opposite end. Its short body saves axial mounting depth where a larger profile cylinder will not fit. The built-in magnet (-S) supports AirTAC reed or electronic switches, and end shock is absorbed by a fixed NBR bumper.
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD16X15S |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø16 mm |
| Stroke | 15 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.
| Pressure | Force (both directions) |
|---|---|
| 0.5 MPa | 86 N |
| 0.7 MPa | 121 N |
| Max (@1.0 MPa) | 18 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. |
|---|---|
| 16 | Bore size in mm. |
| ×15 | 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).
Pushes and pulls a light parts shuttle with equal 86.4 N force, ensuring consistent timing in both directions without load bias.
Drives an opposing gripper jaw from one end while the opposite rod end mounts a dog to trigger a reed or electronic switch.
Feeds a delicate guide pin into a fixture; the through-rod resists twisting to keep the pin perfectly aligned during insertion.
When sizing this 16 mm bore, compare it both ways: the smaller SDAD12 yields 42.4 N at 0.5 MPa, while the larger SDAD20 provides 131.9 N. The 86.4 N output here gives a safe working load of roughly 52 N (about 60 percent of capacity) and a vertical lift capability near 4.4 kg with a 2:1 safety margin. Choose this model when those figures match your symmetric load requirement.
The through-rod prevents rotation and enables dual-end mounting. Confirm your bore needs 15 mm of travel, an M5x0.8 air port, and female M3x0.5 rod-end threads. Note that a plain cylinder drifts on air loss or valve centering—the fixed NBR bumper only decelerates near stroke end, so add an external rod lock or pilot-operated check valve for load holding.
Quick checklist
Because the double-rod design provides equal annular area in both directions, push and pull forces are identical: 86.4 N at 0.5 MPa, 121 N at 0.7 MPa, and a theoretical maximum of 18 kgf at 1.0 MPa.
The through-rod resists twisting and allows you to mount a tool on one end and a position dog on the other. The short riveted body also saves axial depth, and the included magnet works with AirTAC reed or electronic switches.
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