Airtac SDAD Double Rod Slim Cylinder SDAD80X30S
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD80X30S is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø80mm bore, 30mm 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
- Stroke30 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 SDAD80X30S
The AirTAC SDAD80X30S is a double-acting compact cylinder featuring a 25mm piston rod extending from both ends of its riveted body. Because the rod occupies both chambers, the annular area remains identical in each direction, yielding an equal push and pull force of 2267.8 N at 0.5 MPa. This symmetry is a major advantage when driving rigid loads that require balanced resistance.
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), this unit supports AirTAC reed or electronic switches via the body sensor grooves. End-of-stroke energy is managed solely by a fixed NBR bumper, which decelerates the piston near the stroke limits rather than acting as an adjustable air cushion.
Airtac SDAD Double Rod Slim Cylinder SDAD80X30S Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD80X30S |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 30 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 SDAD80X30S
| SDAD | Compact double-acting cylinder, rod out both ends. |
|---|---|
| 80 | Bore size in mm. |
| ×30 | 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 SDAD80X30S Is Used
Gripper Synchronization
Drives opposing gripper jaws via the dual-end rods, ensuring perfectly symmetric clamping force of 2267.8 N at 0.5 MPa without mechanical linkages.
Balanced Lift Stations
Lifts vertical platens where the equal push and pull force prevents sagging on the return stroke, handling safe working loads up to 1361 N.
Dual-Tool Machining
Mounts a forming tool on one rod end and a limit dog on the other, leveraging the anti-rotation through-rod to maintain strict machining tolerances.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD80X30S the Right Cylinder?
When sizing this unit, compare its 2267.8 N @0.5 MPa capacity against adjacent bores: the SDAD63 provides 1401.5 N, while the SDAD100 offers 3524.9 N. For this 80mm bore, a safe working load is approximately 1361 N (about 60 percent of the 0.5 MPa figure), translating to a vertical lift capacity of roughly 115.6 kg with a 2:1 safety margin. Ensure your application leaves clearance for the 25mm rod exiting both ends.
The through-rod design prevents rotation and enables dual-end actuation, but a plain cylinder cannot hold a load if air pressure drops or the valve centers—the piston will drift. For load holding without live pressure, integrate an external rod lock or a pilot-operated check valve. This specific configuration includes the -S magnet for switch sensing and uses female M14x1.5 rod-end threads with a PT3/8 air port.
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 SDAD80X30S FAQ
The double-rod design provides equal force in both directions: 2267.8 N at 0.5 MPa, 3175 N at 0.7 MPa, and a theoretical maximum of 463 kgf at 1.0 MPa. The operating pressure range is 0.15-1.0 MPa.
No, the piston will drift if air is lost or the valve is centered. The fixed NBR bumper only decelerates the stroke near the end points; it does not act as a lock. For load holding, you must install an external rod lock or a pilot-operated check valve.
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