Airtac SDAD Double Rod Slim Cylinder SDAD50X30SB
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD50X30SB is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø50mm bore, 30mm 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
- Stroke30 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 SDAD50X30SB
The AirTAC SDAD50X30SB is a double-acting, double-rod compact cylinder featuring a 50 mm bore and 30 mm stroke. Because the piston rod exits both ends, the annular area remains identical in each chamber, yielding equal push and pull forces of 824.7 N at 0.5 MPa. This symmetry is ideal for driving loads that require consistent kinetic energy regardless of travel direction.
This specific configuration includes a built-in piston magnet for position sensing alongside male M18x1.5 threads on both rod ends. The short riveted body minimizes axial mounting depth, while a fixed NBR bumper decelerates the stroke ends. Operating at 30-500 mm/s, it provides a safe working load of roughly 495 N, enabling a vertical lift of about 42 kg with a 2:1 safety margin.
Airtac SDAD Double Rod Slim Cylinder SDAD50X30SB Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD50X30SB |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 30 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 SDAD50X30SB
| SDAD | Compact double-acting cylinder, rod out both ends. |
|---|---|
| 50 | Bore size in mm. |
| ×30 | 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 SDAD50X30SB Is Used
Symmetric Transfer Unit
Drives a dual-sided gripper where the equal 824.7 N force prevents part distortion during bidirectional material handling.
Anti-Rotation Stamping Jig
Uses the through-rod geometry to resist twisting during pressing, maintaining alignment without external guide rods.
Dual-End Lift Station
Mounts a lift fork on one end and a position dog on the other, leveraging the male M18x1.5 threads for secure tooling.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD50X30SB the Right Cylinder?
When sizing this unit, compare its 824.7 N output at 0.5 MPa against adjacent bores: the SDAD40 provides 527.8 N, and the SDAD63 offers 1401.5 N. This model strikes a middle ground for medium-force symmetric tasks. The through-rod design resists twisting and permits mounting a tool on one end and a dog on the opposite side. Note that a plain cylinder drifts when air is lost; utilize an external rod lock or pilot-operated check valve for load holding.
This configuration confirms a 50 mm bore, 30 mm stroke, PT1/4 port, and a built-in magnet compatible with AirTAC reed or electronic switches. The -B option specifies male M18x1.5 piston rod threads at both ends. Ensure your design leaves clearance for the rods exiting both sides and avoids side loading.
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 SDAD50X30SB 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 max of 168 kgf at 1.0 MPa. The maximum operating pressure is 1.0 MPa.
No, a plain cylinder drifts when air is lost or the valve is centered. The fixed NBR bumper only decelerates the stroke end; it is not a lock. For load holding, you need an external rod lock or a pilot-operated check valve.
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