Airtac SDAD Double Rod Slim Cylinder SDAD50X75
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD50X75 is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø50mm bore, 75mm 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
- Stroke75 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 SDAD50X75
The AirTAC SDAD50X75 is a double-acting compact cylinder featuring a 50 mm bore and a 75 mm stroke. Because the piston rod exits both ends of the riveted body, the annular area remains identical in both chambers. This geometry ensures push and pull forces match exactly, providing 824.7 N at 0.5 MPa in either direction.
The through-rod design inherently resists twisting during operation, allowing you to drive a work tool on one end while mounting a dog or secondary mechanism on the opposite side. End-of-stroke energy is managed solely by a fixed NBR bumper, which decelerates the piston near the limits rather than acting as an adjustable air cushion. This specific SKU lacks a piston magnet, so it cannot directly host magnetic switches.
Airtac SDAD Double Rod Slim Cylinder SDAD50X75 Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD50X75 |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 75 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 SDAD50X75
| SDAD | Compact double-acting cylinder, rod out both ends. |
|---|---|
| 50 | Bore size in mm. |
| ×75 | 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 SDAD50X75 Is Used
Web Guiding Mechanism
Utilizes the equal 824.7 N push and pull force to tension and steer material webs without deflection, while the through-rod prevents twist during rapid directional changes.
Dual-End Transfer Shuttle
Mounts a grip on one rod end and a positioning dog on the opposite end, allowing synchronized part handling and external switch reading within a compact footprint.
Balanced Lift Station
Lifts payloads up to 42 kg vertically with a 2:1 safety margin, relying on the matching annular areas to provide stable hoisting and lowering without gravitational sag.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD50X75 the Right Cylinder?
When sizing this unit, compare its 824.7 N output at 0.5 MPa against adjacent bores. Stepping down to the SDAD40 yields 527.8 N, whereas stepping up to the SDAD63 provides 1401.5 N. For your calculations, the safe working load is approximately 495 N (about 60 percent of the 0.5 MPa figure), translating to a vertical lift capacity of roughly 42 kg with a 2:1 safety margin.
The dual-end rod configuration delivers excellent anti-rotation stability for symmetric loads. Remember that a standard cylinder drifts if air pressure drops or the valve centers; the NBR bumper only decelerates at stroke end and will not hold the load. For secure positioning without live pressure, integrate an external rod lock or pilot-operated check valve. This configuration uses a PT1/4 port, a 20 mm rod diameter, female M10x1.5 rod-end threads, and operates at 30-500 mm/s.
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 SDAD50X75 FAQ
The SDAD50X75 delivers equal force in both directions due to its double-rod design. It outputs 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, with a proof pressure of 1.5 MPa.
No, this specific SKU does not include a piston magnet, so it cannot host reed or electronic switches. You must select the SDAD50X75S variant to enable magnetic sensing capabilities for tracking end-of-stroke positions.
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