Airtac SDAD Double Rod Slim Cylinder SDAD40X5B
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD40X5B 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 SDAD40X5B
The AirTAC SDAD40X5B is a double-acting, double-rod compact cylinder featuring a 40 mm bore and a 5 mm stroke. Because the piston rod exits both ends of the riveted body, the annular area remains identical in each chamber. This geometry ensures push and pull forces match exactly, yielding 527.8 N of thrust in either direction at 0.5 MPa. The through-rod design inherently resists twisting, providing stable guidance for rigid tooling.
This specific SKU includes male M14x1.5 threads on both 16 mm rod ends, allowing direct mounting of external components. The short 5 mm movement keeps the overall package extremely shallow, saving axial depth where space is tight. End-of-stroke deceleration is handled by a fixed NBR bumper rather than an adjustable air cushion.
Airtac SDAD Double Rod Slim Cylinder SDAD40X5B Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD40X5B |
|---|---|
| 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 SDAD40X5B
| 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 SDAD40X5B Is Used
Short-Stroke Clamping
Ideal for holding parts securely during machining, using the equal 527.8 N push and pull force to maintain symmetric clamping pressure without twisting.
Shallow Depth Lifting
Fits into tight vertical assembly stations where the 5 mm stroke and compact riveted body minimize axial height while lifting 26.9 kg loads.
Dual-End Ejection
Drives a pusher on one end while the opposite male M14x1.5 rod operates a secondary mechanical release, leveraging the anti-rotation through-rod for precise alignment.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD40X5B the Right Cylinder?
When sizing this unit, consider the neighboring bores: stepping down to the SDAD32 provides 345.6 N at 0.5 MPa, while stepping up to the SDAD50 offers 824.7 N. The 40 mm bore strikes a middle ground, delivering a safe working load of roughly 317 N, which translates to a vertical lift capacity of about 26.9 kg when applying a 2:1 safety margin. The male M14x1.5 rod threads on both ends must have adequate clearance for any attached fixtures.
The through-rod configuration allows you to drive a workpiece on one end while using the opposite end for a mechanical stop. Note that this variant lacks the -S magnet, so position sensing is not possible without switching to the -S version for AirTAC reed or electronic switches. Furthermore, the fixed NBR bumper only decelerates the stroke end; it will not hold a load if air pressure drops. For load holding, integrate 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 SDAD40X5B FAQ
The double-rod design provides equal force in both directions: 527.8 N at 0.5 MPa and 738.9 N at 0.7 MPa. The theoretical maximum is 108 kgf at 1.0 MPa. Operating pressure ranges from 0.15 to 1.0 MPa, with a proof pressure of 1.5 MPa.
No, this specific SKU does not include the -S piston magnet, so it cannot trigger AirTAC reed or electronic switches. You would need the -S variant for position sensing. The dual male M14x1.5 rod ends do, however, allow mounting tooling or stops on both sides simultaneously.
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