Airtac SDAD Double Rod Slim Cylinder SDAD63X90B
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD63X90B is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø63mm bore, 90mm 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
- Stroke90 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 SDAD63X90B
The AirTAC SDAD63X90B is a double-acting compact cylinder featuring a through-rod that exits both ends of the riveted body. Because the rod occupies both chambers, the annular area is identical in each direction, giving an equal push and pull force of 1401.5 N at 0.5 MPa. This symmetry is essential when driving loads that require consistent kinetic energy regardless of travel direction.
Equipped with male M18x1.5 threads on both 20 mm rod ends, this unit saves axial mounting depth compared to standard profile bodies. The fixed NBR bumpers absorb end-of-stroke shock, while the 90 mm travel operates at speeds between 30 and 500 mm/s. Note this specific SKU lacks a piston magnet, so position sensing is not supported without the -S option.
Airtac SDAD Double Rod Slim Cylinder SDAD63X90B Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD63X90B |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø63 mm |
| Stroke | 90 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 SDAD63X90B
| SDAD | Compact double-acting cylinder, rod out both ends. |
|---|---|
| 63 | Bore size in mm. |
| ×90 | 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 SDAD63X90B Is Used
Web Guiding Mechanism
Uses the dual male M18x1.5 rod ends to tension and steer material evenly, relying on the 1401.5 N equal force to prevent sagging on the return stroke.
Symmetric Lift Station
Raises and lowers a 71.4 kg platen vertically, leveraging the anti-rotation through-rod to keep the platform perfectly level without external guides.
Dual-End Transfer Unit
Drives a pusher on one side while using the opposite rod end to actuate a mechanical latch, taking advantage of the compact 90 mm stroke footprint.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD63X90B the Right Cylinder?
When sizing this 63 mm bore, compare its 1401.5 N output at 0.5 MPa against neighboring bores. Dropping down to the SDAD50 yields 824.7 N, whereas stepping up to the SDAD80 provides 2267.8 N. Based on the 1401.5 N figure, a safe working load is roughly 841 N (about 60 percent capacity), allowing a vertical lift of approximately 71.4 kg with a 2:1 safety margin.
The through-rod geometry prevents twisting and permits mounting a tool on one end with a dog on the opposite side. Remember that a plain cylinder drifts if air pressure drops or the valve centers; the fixed bumper only decelerates near stroke end and will not hold the load. For secure positioning without live pressure, install an external rod lock or pilot-operated check valve. This configuration features a PT1/4 port, male M18x1.5 rod threads, and no magnet.
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 SDAD63X90B FAQ
The double-rod design provides equal force in both directions: 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.
Yes, the through-rod extends from both sides with male M18x1.5 threads, allowing you to drive a tool on one end and mount a secondary mechanism on the other while resisting rotational twist.
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