Airtac SDAD Double Rod Slim Cylinder SDAD50X65
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD50X65 is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø50mm bore, 65mm 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
- Stroke65 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 SDAD50X65
The AirTAC SDAD50X65 is a 50mm bore, 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, delivering an equal push and pull force of 824.7 N at 0.5 MPa. This symmetry is essential when driving loads that must remain balanced throughout the stroke.
The through-rod geometry inherently resists twisting, allowing you to mount a work tool on one end and a dog or switch on the opposite end. The short body design minimizes axial footprint, while a fixed NBR bumper decelerates the piston at stroke extremes. This specific SKU lacks a piston magnet, so position sensing is not supported without switching to the -S variant.
Airtac SDAD Double Rod Slim Cylinder SDAD50X65 Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD50X65 |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 65 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 SDAD50X65
| SDAD | Compact double-acting cylinder, rod out both ends. |
|---|---|
| 50 | Bore size in mm. |
| ×65 | 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 SDAD50X65 Is Used
Web Guiding Mechanism
Uses the dual-end rod to tension material on one side while mounting a tracking dog on the opposite end, relying on the 824.7 N equal force to prevent sagging.
Symmetric Lifting Jig
Drives a balanced lift platform where the matching push and pull forces prevent jerky transitions, safely handling a 42 kg vertical load with a 2:1 margin.
Transfer Shuttle
Moves parts between two stations using tooling attached to both rod ends, leveraging the anti-rotation through-rod to keep the payload perfectly aligned.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD50X65 the Right Cylinder?
When sizing this unit, compare its 824.7 N @0.5 MPa capacity against adjacent bores: the SDAD40 provides 527.8 N, and the SDAD63 offers 1401.5 N. For a safe working load, plan for roughly 495 N, which provides a 2:1 safety margin for vertical lifts up to 42 kg. If your application requires holding a load vertically during a pressure loss, note that this cylinder will drift; you must integrate an external rod lock or pilot-operated check valve.
This configuration features a 50mm bore, 65mm stroke, and a PT1/4 port. The piston rod measures 20mm with female M10x1.5 rod-end threads on both ends. It operates at 30-500 mm/s and lacks a magnet; choose the -S option if you need reed or electronic switch integration.
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 SDAD50X65 FAQ
The force is equal in both directions due to the double-rod design. It outputs 824.7 N at 0.5 MPa and 1154.5 N at 0.7 MPa, with 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 using the opposite end for a dog or switch. However, this specific SKU has no piston magnet, so you must select the -S variant to use reed or electronic switches.
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