Airtac SDAD Double Rod Slim Cylinder SDAD50X45S
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD50X45S is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø50mm bore, 45mm 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
- Stroke45 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 SDAD50X45S
The AirTAC SDAD50X45S is a double-acting compact cylinder featuring a 50mm bore and 45mm stroke. Because the piston rod exits both ends of the riveted body, the annular area remains identical in both chambers, ensuring push force equals pull force at exactly 824.7 N each way at 0.5 MPa. This symmetric output is ideal for balancing loads without bias.
The through-rod geometry inherently resists twisting, allowing you to mount a work tool on one end and a position dog on the opposite side simultaneously. Equipped with a built-in magnet (-S), it supports AirTAC reed or electronic switches. End-of-stroke energy is managed by a fixed NBR bumper, which decelerates the piston rather than acting as an adjustable air cushion.
Airtac SDAD Double Rod Slim Cylinder SDAD50X45S Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD50X45S |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 45 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 SDAD50X45S
| SDAD | Compact double-acting cylinder, rod out both ends. |
|---|---|
| 50 | Bore size in mm. |
| ×45 | 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 SDAD50X45S Is Used
Symmetric Transfer Arms
Drives dual-ended pick-and-place arms where the equal 824.7 N extend and retract forces prevent load bias during component transfers.
Anti-Rotation Guiding
Uses the through-rod geometry to resist twisting on precision jigs, maintaining strict alignment without external linear bearings.
Balanced Vertical Lifts
Handles vertical elevation tasks up to 42 kg with a 2:1 margin, leveraging the stable dual-rod structure to prevent sagging.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD50X45S 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, while the SDAD63 offers 1401.5 N. Based on the 824.7 N figure, a safe working load is approximately 495 N (around 60 percent capacity), translating to a vertical lift capability of roughly 42 kg with a 2:1 safety margin.
This specific configuration includes the -S magnet for switch readiness and female M10x1.5 rod-end threads on both ends, supplied via a PT1/4 port. Note that a plain cylinder drifts when air is lost or the valve centers; the fixed bumper only decelerates near stroke end. For secure load holding without live pressure, integrate 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 SDAD50X45S FAQ
The push and pull forces are equal at 824.7 N at 0.5 MPa and 1154.5 N at 0.7 MPa. The theoretical maximum is 168 kgf at 1.0 MPa. Operating pressure ranges from 0.15 to 1.0 MPa.
Yes, the double-rod design allows driving a tool on one side while mounting a dog for a reed or electronic switch on the opposite end. The -S magnet enables position sensing.
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