
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD80X90 is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø80mm bore, 90mm 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.
The AirTAC SDAD80X90 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 in each direction, delivering 2267.8 N of force at 0.5 MPa on both the extend and retract strokes. This symmetric output is highly beneficial for manipulating heavy loads without directional force mismatch.
Designed to save axial mounting depth, the short body integrates a fixed NBR bumper at each end to decelerate the stroke. The 25 mm rod resists twisting during operation, allowing you to drive a tool on one end while mounting a dog or secondary mechanism on the opposite side. This specific SKU lacks a piston magnet, so position sensing is not supported.
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD80X90 |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 90 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.
| 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.
| SDAD | Compact double-acting cylinder, rod out both ends. |
|---|---|
| 80 | Bore size in mm. |
| ×90 | 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).
Utilizes the dual-end rod to tension material on one side while mounting a tracking roller on the opposite, relying on 2267.8 N of symmetric force to prevent deflection.
Raises a 115 kg payload using the anti-rotation through-rod to maintain platform stability without twisting during the 90 mm vertical travel.
Pushes a part forward on the extend stroke while pulling an empty fixture back on the retract stroke, exploiting the equal push and pull forces for balanced cycle timing.
When sizing this model, compare its 2267.8 N output at 0.5 MPa with adjacent bores. Dropping down to the SDAD63 yields 1401.5 N, whereas stepping up to the SDAD100 provides 3524.9 N. Based on the 80 mm bore figure, a safe working load is approximately 1361 N (60 percent margin), translating to a vertical lift capacity of about 115.6 kg with a 2:1 safety factor.
The through-rod geometry prevents rotation and enables dual-end tooling, but a plain cylinder cannot hold a load if air pressure drops or the valve centers—the piston will drift. For load holding, integrate an external rod lock or pilot-operated check valve. This configuration features a 90 mm stroke, PT3/8 porting, and female M14x1.5 rod-end threads on both ends.
Quick checklist
The force is equal in both directions due to the double-rod design. It generates 2267.8 N at 0.5 MPa and 3175 N at 0.7 MPa. The theoretical maximum is 463 kgf at 1.0 MPa. Operating pressure ranges from 0.15 to 1.0 MPa.
Yes, the through-rod protrudes from both ends, allowing you to drive a tool on one side and mount a dog or secondary fixture on the other. The 25 mm rod also resists twisting, providing stable dual-end operation without rotational play.
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