Airtac SDAD Double Rod Slim Cylinder SDAD63X120SB
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD63X120SB is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø63mm 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.
- BoreØ63 mm
- Stroke120 mm
- Port sizePT1/4
- Acting typeDouble acting, double rod
- Rod threadM10×1.5 (F) / M18×1.5 (B)
- CushionFixed NBR bumper (both ends)
About the Airtac SDAD Double Rod Slim Cylinder SDAD63X120SB
The AirTAC SDAD63X120SB is a double-acting compact cylinder featuring a through-rod that exits both ends of the riveted body. Because the piston rod occupies both chambers, the annular area is identical in each direction, yielding an equal push and pull force of 1401.5 N at 0.5 MPa. This symmetry is essential for mechanisms requiring consistent kinetic output regardless of travel direction.
This specific configuration includes a built-in piston magnet for AirTAC reed or electronic switches, alongside male M18x1.5 rod threads on both ends. The 20 mm diameter rods resist twisting during operation. End-of-stroke deceleration relies on a fixed NBR bumper rather than an adjustable air cushion, meaning external shock absorbers should be added for high-speed cycling.
Airtac SDAD Double Rod Slim Cylinder SDAD63X120SB Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD63X120SB |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø63 mm |
| Stroke | 120 mm |
| Acting type | Double acting, rod both ends |
| Port size | PT1/4 |
| Rod end thread | M10×1.5 female / M18×1.5 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.
Theoretical Output Force (Ø63mm)
| Pressure | Force (both directions) |
|---|---|
| 0.5 MPa | 1402 N |
| 0.7 MPa | 1962 N |
| Max (@1.0 MPa) | 286 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 SDAD63X120SB
| SDAD | Compact double-acting cylinder, rod out both ends. |
|---|---|
| 63 | 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).
Where the Airtac SDAD Double Rod Slim Cylinder SDAD63X120SB Is Used
Symmetric Transfer Chuck
Drives a clamping chuck that grips components identically on both the extend and retract strokes, utilizing the 1401.5 N equal force output.
Dual-End Lift Jig
Mounts a lifting bracket on one male M18x1.5 rod end and a position dog on the opposing end to trigger reed sensors mid-travel.
Anti-Twist Guide Pusher
Pushes a heavy 71.4 kg vertical payload along a 120 mm stroke, relying on the dual 20 mm rods to prevent mechanical twisting.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD63X120SB the Right Cylinder?
When sizing this unit, compare its output against adjacent bores. Stepping down to the SDAD50 provides 824.7 N at 0.5 MPa, whereas stepping up to the SDAD80 yields 2267.8 N at 0.5 MPa. The 63 mm bore hits a reliable middle ground, offering a safe working load of roughly 841 N (about 60% of the 0.5 MPa figure) and a vertical lift capacity near 71.4 kg with a 2:1 safety margin.
The through-rod geometry prevents rotation and permits mounting a tool on one end while fitting a dog on the opposite end. Remember that a standard cylinder drifts when air pressure drops or the valve centers; the fixed bumper only decelerates near the stroke end and will not hold the load. Utilize an external rod lock or pilot-operated check valve for secure position holding. This SB variant features the S magnet and male B rod threads.
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 SDAD63X120SB FAQ
The push and pull forces are equal because of the double-rod design. It generates 1401.5 N at 0.5 MPa and 1962.2 N at 0.7 MPa. The theoretical maximum is 286 kgf at 1.0 MPa, with a proof pressure of 1.5 MPa.
No, the piston will drift if air is lost or the valve is centered. The fixed NBR bumper only decelerates the stroke near the end and does not act as a brake. For load holding, you must install an external rod lock or a pilot-operated check valve.
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