Airtac SDAD Double Rod Slim Cylinder SDAD40X5S
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD40X5S is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø40mm bore, 5mm 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
- Stroke5 mm
- Port sizePT1/8
- Acting typeDouble acting, double rod
- Rod threadM8×1.25 (F) / M14×1.5 (B)
- CushionFixed NBR bumper (both ends)
About the Airtac SDAD Double Rod Slim Cylinder SDAD40X5S
The AirTAC SDAD40X5S 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 on extend and retract, yielding equal push and pull force of 527.8 N at 0.5 MPa. This symmetry is ideal for loads requiring consistent kinetic energy in both travel directions.
With a 40 mm bore and 5 mm stroke, this unit carries a 16 mm piston rod and PT1/8 port. The short riveted body saves axial mounting depth where a round-body or profile cylinder will not fit. End-of-stroke deceleration is handled by a fixed NBR bumper, and the built-in magnet supports reed or electronic switches for position feedback.
Airtac SDAD Double Rod Slim Cylinder SDAD40X5S Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD40X5S |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 5 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 SDAD40X5S
| SDAD | Compact double-acting cylinder, rod out both ends. |
|---|---|
| 40 | Bore size in mm. |
| ×5 | 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 SDAD40X5S Is Used
Precision Gauging Stop
Uses the 5 mm stroke and anti-rotation through-rod to halt parts for measurement, providing 527.8 N of equal force without twisting the gauge.
Symmetric Clamping Jig
Clamps a workpiece from both ends simultaneously, leveraging the dual-end geometry to balance 317 N of safe working load across the fixture.
Short-Stroke Forming Press
Delivers a rapid 5 mm impact for light stamping tasks, relying on the fixed NBR bumper to absorb the end shock of the 40 mm bore.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD40X5S the Right Cylinder?
When sizing this 40 mm bore model, compare its 527.8 N @0.5 MPa output both ways: dropping to SDAD32 provides 345.6 N, while stepping up to SDAD50 yields 824.7 N. A safe working load is roughly 317 N (about 60% of the 0.5 MPa figure), allowing a vertical lift of approximately 26.9 kg with a 2:1 margin. The through-rod resists twisting and permits driving a tool on one end while mounting a dog on the opposite side.
Confirm the 40 mm bore, 5 mm stroke, PT1/8 port, female M8x1.25 rod-end thread, and the -S magnet for AirTAC reed or solid-state switches. Note that a plain cylinder does not hold its load on air loss or valve centring; the piston drifts and the fixed bumper only decelerates near stroke end. For a held load without live pressure, specify an external rod lock or pilot-operated check valve.
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 SDAD40X5S 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.
Yes, the through-rod design allows you to drive a tool on one end while mounting a dog or switch on the opposite end. The included -S magnet works with AirTAC reed or electronic switches fitted into the body sensor grooves.
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