Airtac SDAD Double Rod Slim Cylinder SDAD50X50S
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD50X50S 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 SDAD50X50S
The AirTAC SDAD50X50S is a compact double-acting cylinder featuring a through-rod that exits both ends of the riveted body. Because the piston rod occupies each chamber equally, the annular area is identical on extend and retract, delivering exactly 824.7 N of force at 0.5 MPa in both directions. This push-pull symmetry is ideal for balanced mechanisms.
Fitted with a built-in magnet (-S), this 50 mm bore unit accepts AirTAC reed or electronic switches along its body grooves. The short body design saves axial mounting depth compared to conventional round-body units. It uses a 20 mm rod at each end, features PT1/4 air ports, and relies on a fixed NBR bumper to decelerate the stroke end rather than an adjustable air cushion.
Airtac SDAD Double Rod Slim Cylinder SDAD50X50S Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD50X50S |
|---|---|
| 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 SDAD50X50S
| 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 SDAD50X50S Is Used
Symmetric Transfer Jaws
Drives opposing gripper jaws with equal 824.7 N force on both extend and retract, ensuring parts remain centered during transfer.
Anti-Rotation Edge Guide
Uses the dual-ended through-rod to resist twisting while straightening sheet stock, maintaining precise alignment without lateral drift.
Dual-End Lift Station
Mounts a lift tool on one rod end and a tracking dog on the opposite end, handling a 42 kg vertical load with a 2:1 safety margin.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD50X50S the Right Cylinder?
When sizing this model, compare its bidirectional 824.7 N output at 0.5 MPa against adjacent bores: the SDAD40 provides 527.8 N, while the SDAD63 offers 1401.5 N. Based on the 0.5 MPa rating, the 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 resists twisting and permits mounting a tool on one end with a position dog on the opposite side. Remember that a plain cylinder drifts when air is lost or the valve centers; the fixed NBR bumper only decelerates near stroke end and will not hold the load. For secure load holding without live pressure, install an external rod lock or pilot-operated check valve. This configuration includes the S magnet and female M10x1.5 rod-end threads on both sides.
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 SDAD50X50S FAQ
The force is equal in both directions due to the double-rod design. It provides 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 maximum operating pressure is 1.0 MPa.
Yes, the through-rod exits both ends, allowing you to drive a tool on one side while mounting a dog for a reed or electronic switch on the opposite side. The built-in S magnet enables position sensing along the body grooves.
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