Airtac SDAD Double Rod Slim Cylinder SDAD50X50SB
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD50X50SB is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø50mm bore, 50mm 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.
- BoreØ50 mm
- Stroke50 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 SDAD50X50SB
The AirTAC SDAD50X50SB is a compact double-acting cylinder featuring a through-rod that exits both ends of the riveted body. Because the rod occupies each chamber equally, the annular area remains constant, delivering identical push and pull forces of 824.7 N at 0.5 MPa. This symmetric thrust is ideal for balanced actuation tasks.
Equipped with a built-in piston magnet (-S), this unit supports AirTAC reed or electronic switches for end-of-stroke detection. The -B option specifies male M18x1.5 threads on both 20 mm rod ends, while the short body design minimizes axial footprint. A fixed NBR bumper at each end absorbs end-of-stroke shock without requiring adjustment.
Airtac SDAD Double Rod Slim Cylinder SDAD50X50SB Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD50X50SB |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 50 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 (Ø50mm)
| Pressure | Force (both directions) |
|---|---|
| 0.5 MPa | 825 N |
| 0.7 MPa | 1155 N |
| Max (@1.0 MPa) | 168 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 SDAD50X50SB
| SDAD | Compact double-acting cylinder, rod out both ends. |
|---|---|
| 50 | Bore size in mm. |
| ×50 | 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 SDAD50X50SB Is Used
Symmetric Transfer Chuck
Utilizes the equal 824.7 N bidirectional force to clamp and release components with identical pressure on both strokes, ensuring stable handling without twist.
Dual-End Lift Station
Mounts a lifting bracket on one male M18x1.5 rod end and a magnetic switch dog on the other, maximizing vertical lift efficiency within a compact 50 mm stroke.
Anti-Rotation Guiding Jig
Exploits the 20 mm through-rod to resist torsional deflection during precise machining feeds, maintaining alignment where a single rod would bind.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD50X50SB the Right Cylinder?
When sizing this 50 mm bore, compare its 824.7 N thrust at 0.5 MPa against adjacent models: the SDAD40 provides 527.8 N, and the SDAD63 yields 1401.5 N. Based on the 824.7 N figure, a safe working load is roughly 495 N (about 60 percent capacity), translating to a vertical lift capability of approximately 42 kg with a 2:1 safety margin. The through-rod geometry prevents twisting and allows mounting a tool on one end and a position dog on the opposite side.
This configuration features a 50 mm stroke, PT1/4 air port, and male M18x1.5 rod threads. Remember that a standard cylinder drifts when air pressure is lost or the valve centers; the NBR bumper only decelerates near the stroke end and acts as neither a lock nor a brake. For load holding without live pressure, install an external rod lock or pilot-operated check valve.
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 SDAD50X50SB FAQ
The double-rod design provides equal force in both directions: 824.7 N at 0.5 MPa, 1154.5 N at 0.7 MPa, and a theoretical maximum of 168 kgf at 1.0 MPa. The operating pressure range is 0.15-1.0 MPa, with a proof pressure of 1.5 MPa.
The through-rod exiting both ends yields identical extend and retract forces, prevents piston rotation, and allows you to drive a tool on one end while mounting a reed or electronic switch on the opposite end. The -B option provides male M18x1.5 threads on both rod ends for secure mounting.
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