Airtac SDAD Double Rod Slim Cylinder SDAD40X35B
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD40X35B is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø40mm bore, 35mm 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
- Stroke35 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 SDAD40X35B
The AirTAC SDAD40X35B is a double-acting compact cylinder featuring a through-rod that exits both ends of the riveted body. Because the rod occupies both chambers, the annular area is identical in each direction, delivering an equal push and pull force of 527.8 N at 0.5 MPa. This symmetry is highly advantageous for driving loads that require consistent kinetic energy regardless of travel direction.
This specific SKU includes male M14x1.5 rod-end threads on the 16 mm rods at both ends, allowing direct rigid mounting of tooling. The short body design saves axial mounting depth where a larger cylinder would not fit. End-of-stroke deceleration is handled by a fixed NBR bumper, which absorbs shock but is not an adjustable air cushion. Note that this variant lacks a piston magnet and therefore cannot support position sensing.
Airtac SDAD Double Rod Slim Cylinder SDAD40X35B Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD40X35B |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 35 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 SDAD40X35B
| SDAD | Compact double-acting cylinder, rod out both ends. |
|---|---|
| 40 | Bore size in mm. |
| ×35 | 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 SDAD40X35B Is Used
Symmetric Gripper Actuation
Drives an opposing gripper jaw where the 527.8 N equal force ensures identical clamping pressure on both the extend and retract strokes.
Dual-End Transfer Mechanism
Uses the male M14x1.5 threads on both ends to push a part on one side while simultaneously indexing a dog on the opposite end.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD40X35B the Right Cylinder?
When sizing this 40 mm bore, compare its 527.8 N output at 0.5 MPa against adjacent models. Stepping down to the SDAD32 yields 345.6 N, whereas stepping up to the SDAD50 provides 824.7 N.
The through-rod geometry resists twisting and permits mounting a tool on one end while driving a secondary mechanism on the opposite side. Remember that a standard cylinder drifts when air is removed or a valve centers; the NBR bumper only decelerates near the stroke end and does not lock the load. For secure load holding without live pressure, integrate an external rod lock or pilot-operated check valve. This configuration confirms a 40 mm bore, 35 mm stroke, PT1/8 port, male M14x1.5 threads, and no magnet.
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 SDAD40X35B 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.
No, this specific SKU lacks the -S magnet option, so it cannot accept reed or electronic switches. The through-rod does allow external mechanical tracking via the male M14x1.5 threaded ends.
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Standard models are processed and dispatched in 3-5 business days.
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