Airtac SDAD Double Rod Slim Cylinder SDAD80X120S
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD80X120S is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø80mm bore, 120mm 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.
- BoreØ80 mm
- Stroke120 mm
- Port sizePT3/8
- Acting typeDouble acting, double rod
- Rod threadM14×1.5 (F) / M22×1.5 (B)
- CushionFixed NBR bumper (both ends)
About the Airtac SDAD Double Rod Slim Cylinder SDAD80X120S
The AirTAC SDAD80X120S 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 on extend and retract, yielding exactly 2267.8 N of force at 0.5 MPa in each direction. This symmetry prevents twisting and simplifies the balancing of heavy symmetric loads.
Designed for tight spaces, the short body saves axial mounting depth where larger profile cylinders fail to fit. The unit uses a 25 mm piston rod, a PT3/8 air port, and female M14x1.5 rod-end threads. End-of-stroke deceleration relies on a fixed NBR bumper rather than an adjustable air cushion, and the included S magnet enables position sensing via reed or electronic switches.
Airtac SDAD Double Rod Slim Cylinder SDAD80X120S Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD80X120S |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 120 mm |
| Acting type | Double acting, rod both ends |
| Port size | PT3/8 |
| Rod end thread | M14×1.5 female / M22×1.5 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 (Ø80mm)
| Pressure | Force (both directions) |
|---|---|
| 0.5 MPa | 2268 N |
| 0.7 MPa | 3175 N |
| Max (@1.0 MPa) | 463 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 SDAD80X120S
| SDAD | Compact double-acting cylinder, rod out both ends. |
|---|---|
| 80 | Bore size in mm. |
| ×120 | 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 SDAD80X120S Is Used
Lift Station Alignment
Drives a heavy machining fixture using equal 2267.8 N push and pull forces to prevent binding during vertical clamping operations.
Dual-End Transfer Gate
Uses the through-rod exiting both ends to mount a diverter on one side and a position dog on the other, saving axial footprint.
Pallet Leveler
Resists torsional twist on a 120 mm stroke while raising a 115 kg load, relying on the fixed NBR bumper to absorb end shocks.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD80X120S the Right Cylinder?
When sizing this 80 mm bore, compare its 2267.8 N @0.5 MPa output with adjacent options. Dropping to the SDAD63 yields 1401.5 N, whereas stepping up to the SDAD100 provides 3524.9 N. A safe working load is roughly 1361 N (about 60 percent of the 0.5 MPa figure), allowing a vertical lift of approximately 115.6 kg with a 2:1 safety margin.
The through-rod geometry resists rotation and lets you mount a tool on one end while tracking position with a switch on the other. Note that a plain cylinder drifts when air is lost or the valve centers; the fixed bumper only decelerates near stroke end and does not lock the load. For secure holding without live pressure, install an external rod lock or pilot-operated check valve. This configuration includes the S magnet and female M14x1.5 rod threads.
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 SDAD80X120S FAQ
The double-rod design provides equal force in both directions: 2267.8 N at 0.5 MPa and 3175 N at 0.7 MPa. The theoretical maximum is 463 kgf at 1.0 MPa.
Yes, the S option provides a built-in magnet for AirTAC reed or electronic switches. However, the cylinder drifts on air loss; use an external rod lock or pilot-operated check valve for load holding, as the fixed NBR bumper only decelerates.
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