Airtac SDAD Double Rod Slim Cylinder SDAD50X150
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD50X150 is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø50mm bore, 150mm 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
- Stroke150 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 SDAD50X150
The AirTAC SDAD50X150 is a compact double-acting 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, yielding exactly 824.7 N of force at 0.5 MPa on both extend and retract strokes. This symmetric output is perfect for balanced loading.
This specific configuration features a 150 mm stroke, which exceeds the 130 mm standard maximum for the 50 mm bore, making it a non-standard, made-to-order item. It incorporates a 20 mm rod at each end, a PT1/4 port, and fixed NBR bumpers that decelerate the piston near stroke ends rather than acting as adjustable air cushions.
Airtac SDAD Double Rod Slim Cylinder SDAD50X150 Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD50X150 |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 150 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 SDAD50X150
| SDAD | Compact double-acting cylinder, rod out both ends. |
|---|---|
| 50 | Bore size in mm. |
| ×150 | 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 SDAD50X150 Is Used
Gripper Synchronization
Drives opposing gripper jaws where the dual-end 20 mm rods provide equal 824.7 N clamping force and high torsional rigidity.
Balanced Lift Stations
Elevates 42 kg workpieces vertically, utilizing the matched extend and retract forces to prevent sagging on the return stroke.
Dual-End Transfer
Mounts a pusher on one rod end and a position dog on the other, capitalizing on the 150 mm travel for compact assembly lines.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD50X150 the Right Cylinder?
When sizing this unit, compare its 824.7 N @0.5 MPa capacity against neighboring bores: the SDAD40 provides 527.8 N, while the SDAD63 offers 1401.5 N. Based on the 824.7 N figure, the safe working load is approximately 495 N (about 60 percent capacity), translating to a vertical lift capability of roughly 42 kg with a 2:1 safety margin.
The through-rod design resists twisting and allows tooling on one end with a dog on the opposite end. Note that this SKU lacks a piston magnet, so it cannot support reed or electronic switches without specifying the -S option. Also, the cylinder will drift and cannot hold a load on air loss or valve centering without 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 SDAD50X150 FAQ
The push and pull forces are identical because the rod exits both ends. It generates 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.
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 points but 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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