Airtac SDAD Double Rod Slim Cylinder SDAD50X70S
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD50X70S is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø50mm bore, 70mm 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
- Stroke70 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 SDAD50X70S
The AirTAC SDAD50X70S 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 remains constant, delivering identical push and pull forces of 824.7 N at 0.5 MPa. This symmetric output is ideal for balanced actuation tasks.
The integrated -S piston magnet enables position detection using AirTAC reed or electronic switches via the body sensor grooves. End-of-stroke deceleration relies on a fixed NBR bumper rather than an adjustable air cushion. With a 20 mm rod diameter and a PT1/4 port, this 70 mm stroke unit achieves a safe working load of roughly 495 N, supporting vertical lifts of about 42 kg with a 2:1 safety margin.
Airtac SDAD Double Rod Slim Cylinder SDAD50X70S Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD50X70S |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 70 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 SDAD50X70S
| SDAD | Compact double-acting cylinder, rod out both ends. |
|---|---|
| 50 | Bore size in mm. |
| ×70 | 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 SDAD50X70S Is Used
Symmetric Transfer Gates
Drives opposing clamp gates simultaneously with 824.7 N of equal push and pull force, ensuring balanced material routing without rotational twist.
Vertical Lift Stations
Raises and lowers 42 kg platens using the through-rod design, allowing a reed switch to track position on the top end while the bottom end pushes the load.
Dual-End Sealing Press
Compresses package lids from one rod end while the opposite end triggers an electronic sensor, leveraging the compact riveted body to save axial depth.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD50X70S the Right Cylinder?
When sizing this unit against adjacent bores, the SDAD40 yields 527.8 N at 0.5 MPa while the larger SDAD63 provides 1401.5 N, making the 824.7 N output of this 50 mm bore a strong middle ground. The through-rod geometry prevents twisting during transit and permits driving a tool on one end while mounting a dog or switch on the opposite side. Confirm the 70 mm stroke, PT1/4 port, female M10x1.5 rod threads, and the built-in magnet for your assembly.
Remember that a standard double-acting cylinder drifts when air pressure is lost or the valve centers, as the fixed NBR bumper only decelerates the stroke end rather than locking the load. To suspend a vertical weight safely without live pressure, incorporate an external rod lock or a pilot-operated check valve into your pneumatic circuit.
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 SDAD50X70S FAQ
Because the rod exits both ends, the push and pull forces are identical. 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 in both directions.
Yes, the through-rod resists twisting and allows you to attach a tool on one end while mounting a dog or switch on the other. The built-in magnet works with AirTAC reed or electronic switches fitted into the body grooves.
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