
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD40X130B is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø40mm bore, 130mm 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 SDAD40X130B is a double-acting compact 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, meaning push force equals pull force at 527.8 N under 0.5 MPa. This symmetry is crucial for applications requiring consistent kinetic output regardless of travel direction.
This specific configuration includes a 130 mm stroke and male M14x1.5 rod-end threads on both sides. The 16 mm diameter piston rod resists twisting during operation. End-of-stroke deceleration is handled by a fixed NBR bumper, which absorbs shock but is not an adjustable air cushion. Note that this SKU lacks a piston magnet, so position sensing is not supported without the -S variant.
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD40X130B |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 130 mm |
| Acting type | Double acting, rod both ends |
| Port size | PT1/8 |
| Rod end thread | M8×1.25 female / M14×1.5 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 | 528 N |
| 0.7 MPa | 739 N |
| Max (@1.0 MPa) | 108 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. |
|---|---|
| 40 | Bore size in mm. |
| ×130 | 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 an opposing parallel gripper where the 527.8 N equal push and pull force ensures balanced clamping pressure on delicate electronic components during transfer.
Uses the male M14x1.5 threads on both ends to push a part forward on one side while simultaneously pulling an empty pallet back, optimizing cycle time in packaging lines.
Lifts a 26.9 kg vertical load using the through-rod design to prevent platform twisting during elevation, avoiding guide binding in tight assembly spaces.
When sizing this unit, consider the neighboring bores: the SDAD32 provides 345.6 N at 0.5 MPa, while the SDAD50 offers 824.7 N at 0.5 MPa.
The dual-end male M14x1.5 threads allow mounting a tool on one side and a dog or fixture on the opposite end. Remember that a standard cylinder does not hold position if air pressure drops or the valve is centered; the piston will drift. For load holding without live pressure, integrate an external rod lock or a pilot-operated check valve. Confirm your requirements for the PT1/8 port, 130 mm stroke, and lack of magnet before ordering.
Quick checklist
The push and pull forces are equal because of the double-rod design. It generates 527.8 N at 0.5 MPa, 738.9 N at 0.7 MPa, and a theoretical maximum of 108 kgf at 1.0 MPa. The maximum operating pressure is 1.0 MPa.
Yes, the through-rod exits both ends with male M14x1.5 threads, allowing you to drive a tool on one side while mounting a dog or secondary fixture on the other. This configuration also provides excellent resistance to mechanical twisting.
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