
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD100X75SB is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø100mm bore, 75mm 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 SDAD100X75SB is a double-acting compact cylinder featuring a 100mm bore and a 75mm stroke. Because the piston rod exits both ends of the riveted body, the annular area remains identical in both chambers. This geometry ensures push force equals pull force, delivering exactly 3524.9 N in each direction at 0.5 MPa. The through-rod design inherently resists twisting, providing stable linear motion for heavy symmetric loads.
Equipped with a built-in magnet (-S) for AirTAC reed or electronic switches, this unit supports position tracking at both extremes. The -B option specifies male M26x1.5 rod-end threads on both sides, while the PT3/8 port supplies ample airflow for the 30-500 mm/s speed range. A fixed NBR bumper decelerates the piston near stroke end, though external shock absorbers are advised for high-energy cycles.
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD100X75SB |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø100 mm |
| Stroke | 75 mm |
| Acting type | Double acting, rod both ends |
| Port size | PT3/8 |
| Rod end thread | M18×1.5 female / M26×1.5 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 | 3525 N |
| 0.7 MPa | 4935 N |
| Max (@1.0 MPa) | 719 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. |
|---|---|
| 100 | Bore size in mm. |
| ×75 | 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 part ejector on one end while a dog trips a sensor on the opposite end, utilizing the 3524.9 N equal force to reliably push heavy stampings out of a press bed.
Lifts a 179.7 kg vertical load using the anti-rotation through-rod geometry, preventing platform twist during elevation without requiring external linear guides.
Mounts a forming tool on one male M26x1.5 rod end and a secondary clamping mechanism on the other, executing simultaneous opposing operations within a compact 75mm stroke.
When sizing this 100mm bore model, consider the neighboring SDAD80, which yields 2267.8 N at 0.5 MPa. The SDAD100X75SB provides a substantial leap to 3524.9 N, yielding a safe working load of roughly 2115 N (about 60 percent of the 0.5 MPa figure) and a vertical lift capacity of approximately 179.7 kg with a 2:1 margin. If your application exceeds these limits, you are at the top of the standard range and must explore non-standard solutions. Remember that a plain cylinder drifts when air is lost or the valve centers; the fixed bumper only decelerates near stroke end and never acts as a lock. For load holding without live pressure, install an external rod lock or pilot-operated check valve.
This configuration includes the -S magnet for switch readiness and the -B male M26x1.5 thread on both extending rods. The PT3/8 port matches the 100mm bore specification. Ensure you leave adequate clearance for the 32mm diameter rods exiting both ends to prevent side-load damage.
Quick checklist
Because the double-rod design creates equal annular areas, force is identical in both directions: 3524.9 N at 0.5 MPa, 4934.8 N at 0.7 MPa, and a theoretical maximum of 719 kgf at 1.0 MPa.
Yes, the through-rod resists rotation and allows you to attach a tool via the male M26x1.5 thread on one end while mounting a switch dog on the opposite end, maximizing spatial efficiency.
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