Airtac SDAD Double Rod Slim Cylinder SDAD40X25SB
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD40X25SB is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø40mm bore, 25mm 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
- Stroke25 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 SDAD40X25SB
The AirTAC SDAD40X25SB is a compact double-acting cylinder featuring a through-rod that exits both ends of the riveted body. Because the rod occupies each chamber equally, the annular area matches on extend and retract, giving you identical push and pull force of 527.8 N at 0.5 MPa. This symmetry is a major advantage when driving loads that require consistent momentum in both directions.
This specific configuration includes a built-in magnet for position sensing and male M14x1.5 thread on both rod ends. The short 25 mm stroke keeps the overall axial footprint tight, while the 16 mm rod diameter resists torsion. End-of-stroke deceleration is handled by fixed NBR bumpers, which absorb shock without requiring manual adjustment.
Airtac SDAD Double Rod Slim Cylinder SDAD40X25SB Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD40X25SB |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 25 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 SDAD40X25SB
| SDAD | Compact double-acting cylinder, rod out both ends. |
|---|---|
| 40 | Bore size in mm. |
| ×25 | 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 SDAD40X25SB Is Used
Symmetric Transfer Chuck
Drives a clamping jaw on one rod end while the opposite end pushes a parallel loader, utilizing the equal 527.8 N force to maintain balanced part handling.
Anti-Rotation Spot Welder
Uses the male M14x1.5 threaded rod to secure a welding head, relying on the through-rod to resist twist during high-resistance weld cycles.
Dual-End Forming Stop
Mounts a forming die on one side and a physical dog on the other to trigger a solid-state sensor, taking advantage of the 25 mm compact stroke in a tight press.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD40X25SB the Right Cylinder?
When sizing this 40 mm bore model, compare it directly with its neighbors. Dropping down to the SDAD32 yields 345.6 N at 0.5 MPa, whereas stepping up to the SDAD50 provides 824.7 N.
The through-rod geometry prevents twisting and lets you mount a tool on one end while tracking position with a reed or electronic switch on the opposite end. Remember that a standard cylinder drifts when air pressure is lost or the valve centers; use an external rod lock or pilot-operated check valve if you need strict load holding. This unit features PT1/8 ports, a 25 mm stroke, the -S magnet, and male -B rod threads.
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 SDAD40X25SB FAQ
Because it is a double-rod cylinder, the push and pull forces are identical. It generates 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 in both directions.
Yes. The through-rod extends from both sides, allowing you to drive a tool on one end while using the built-in magnet with a reed or electronic switch on the opposite end for position confirmation.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
Fast Reply
Most inquiries answered within 7-8 hours.
Related AirTAC SDAD Cylinders
Request a Quote for Airtac SDAD Double Rod Slim Cylinder SDAD40X25SB
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.