
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD63X90 is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø63mm 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 SDAD63X90 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, yielding equal push and pull forces of 1401.5 N at 0.5 MPa. This symmetric thrust is perfect for opposing loads.
A 20 mm piston rod resists twisting during operation, letting you mount a work tool on one side and a dog or switch on the opposite end. The short body design saves axial mounting depth, while fixed NBR bumpers decelerate the stroke ends. Note this SKU lacks a piston magnet, so it cannot host reed or electronic switches.
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD63X90 |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø63 mm |
| Stroke | 90 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.
| Pressure | Force (both directions) |
|---|---|
| 0.5 MPa | 1402 N |
| 0.7 MPa | 1962 N |
| Max (@1.0 MPa) | 286 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. |
|---|---|
| 63 | 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).
Drives a gripper on one end while the opposite rod moves a dog, maintaining 1401.5 N of equal thrust for balanced component shifting.
Raises and lowers a 71.4 kg vertical payload using a 2:1 safety margin, relying on the through-rod to prevent platform twist.
Mounts a cutting blade on one side and a clamping fixture on the other, leveraging the dual-end outputs for synchronized processing.
When sizing this unit, consider the adjacent bores. The SDAD50 provides 824.7 N at 0.5 MPa, whereas the larger SDAD80 offers 2267.8 N at 0.5 MPa. For the 63 mm bore, a safe working load is roughly 841 N, or a vertical lift of about 71.4 kg with a 2:1 margin. The PT1/4 port and female M10x1.5 rod threads are fixed by the bore.
The through-rod geometry prevents rotation and supports dual-end mounting. Remember that a plain cylinder drifts when air is lost, as the fixed bumper only decelerates near stroke end rather than locking. For load holding without live pressure, install an external rod lock or pilot-operated check valve.
Quick checklist
The double-rod design provides equal force in both directions: 1401.5 N at 0.5 MPa and 1962.2 N at 0.7 MPa. The theoretical maximum is 286 kgf at 1.0 MPa.
This specific SKU does not include a piston magnet, so it cannot host reed or electronic switches. You would need the -S variant to enable sensing capabilities.
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