Airtac SDAD Double Rod Slim Cylinder SDAD40X120SB
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD40X120SB is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø40mm bore, 120mm 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.
- BoreØ40 mm
- Stroke120 mm
- Port sizePT1/8
- Acting typeDouble acting, double rod
- Rod threadM8×1.25 (F) / M14×1.5 (B)
- CushionFixed NBR bumper (both ends)
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SDAD Double Rod Slim Cylinder SDAD40X120SB
The AirTAC SDAD40X120SB is a double-acting, double-rod compact cylinder featuring a 40mm bore and 120mm stroke. Because the piston rod exits both ends, the annular area remains identical in each chamber, ensuring push force equals pull force at 527.8 N under 0.5 MPa. The short riveted body minimizes axial mounting depth, fitting where larger profile cylinders cannot.
This specific configuration includes a built-in magnet for position sensing and male M14x1.5 threads on both 16mm rod ends. The through-rod geometry inherently resists twisting, letting you mount a work tool on one side and a dog or switch on the opposite end. End-of-stroke deceleration is handled by a fixed NBR bumper.
Airtac SDAD Double Rod Slim Cylinder SDAD40X120SB Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD40X120SB |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 120 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.
Theoretical Output Force (Ø40mm)
| 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.
Model Code: Airtac SDAD Double Rod Slim Cylinder SDAD40X120SB
| SDAD | Compact double-acting cylinder, rod out both ends. |
|---|---|
| 40 | Bore size in mm. |
| ×120 | 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 SDAD40X120SB Is Used
Gripper Jaw Synchronization
Drives opposing gripper arms with equal 527.8 N force in both directions, preventing jaw twist during high-speed robotic pick and place tasks.
Dual-End Transfer Pusher
Mounts a pusher blade on one male M14x1.5 rod end and a position dog on the other, allowing precise part transfer across a 120mm stroke.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD40X120SB the Right Cylinder?
When sizing this 40mm bore, consider the neighboring options: stepping down to SDAD32 yields 345.6 N at 0.5 MPa, while stepping up to SDAD50 provides 824.7 N. The male M14x1.5 rod threads and PT1/8 port are set by the bore, and the -S magnet enables reed or electronic switching.
Remember that a plain cylinder drifts when air is lost or the valve centers, as the fixed bumper only decelerates near stroke end rather than locking the load. For load holding without live pressure, integrate an external rod lock or pilot-operated check valve. Keep the operating speed within 30-500 mm/s and avoid side loading the dual protruding rods.
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 SDAD40X120SB FAQ
The double-rod design provides equal force in both directions: 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 through-rod resists twisting under load and allows you to mount a tool on one end and a sensor dog on the other. This unit includes the -S magnet for reed or electronic switches and -B male M14x1.5 rod threads.
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Covers non-human-caused product damage.
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Standard models are processed and dispatched in 3-5 business days.
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Related AirTAC SDAD Cylinders
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