Airtac SDAD Double Rod Slim Cylinder SDAD40X110S
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD40X110S is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø40mm bore, 110mm 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
- Stroke110 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 SDAD40X110S
The AirTAC SDAD40X110S is a compact double-acting cylinder featuring a piston rod protruding from both ends of its riveted body. Because the rod occupies both chambers, the annular area is identical in each direction, giving you exactly 527.8 N of push and pull force at 0.5 MPa. This symmetric output is ideal for balancing loads without tweaking regulator pressures.
The through-rod geometry inherently resists twisting, allowing you to mount a work tool on one end and a position dog on the opposite side simultaneously. A built-in piston magnet (-S) supports AirTAC reed or electronic switches, while the fixed NBR bumpers absorb end-of-stroke shocks across the 30-500 mm/s speed range.
Airtac SDAD Double Rod Slim Cylinder SDAD40X110S Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD40X110S |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 110 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 SDAD40X110S
| SDAD | Compact double-acting cylinder, rod out both ends. |
|---|---|
| 40 | Bore size in mm. |
| ×110 | 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 SDAD40X110S Is Used
Web Guiding Mechanism
Utilizes the equal 527.8 N force in both directions to tension and steer material webs without skewing, while the dual-end rods allow mounting a tracking dog opposite the guide roller.
Symmetric Transfer Clamp
Drives a synchronized gripping jaw where the anti-rotation through-rod prevents twisting during part transfers, maintaining precise alignment over the 110 mm stroke.
Balanced Lift Station
Lifts workpieces vertically using the 26.9 kg safe lifting capacity, taking advantage of the matched extend and retract forces to ensure smooth, balanced elevation without sudden drops.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD40X110S the Right Cylinder?
When sizing this 40 mm bore, compare its 527.8 N @0.5 MPa capacity against adjacent models: the SDAD32 yields 345.6 N, and the SDAD50 provides 824.7 N. This specific unit has a 110 mm stroke, a PT1/8 port, a 16 mm rod diameter, female M8x1.25 rod-end threads, and the -S magnet option.
Remember that a standard compact cylinder cannot hold a load if air pressure drops or the valve centers; the piston will drift, and the fixed bumper only decelerates near the stroke end. For suspended or vertical loads, integrate an external rod lock or a pilot-operated check valve. The short body depth also saves axial space compared to standard round-body cylinders.
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 SDAD40X110S FAQ
The push and pull forces are equal because the rod exits both ends. It generates 527.8 N at 0.5 MPa and 738.9 N at 0.7 MPa, with a theoretical maximum of 108 kgf at 1.0 MPa. The maximum operating pressure is 1.0 MPa.
No, a plain double-acting cylinder drifts when air is lost or the valve is centered. The fixed NBR bumper only decelerates the stroke near the end; it does not lock the piston. You must add an external rod lock or pilot-operated check valve for load holding.
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