Airtac SDAD Double Rod Slim Cylinder SDAD80X25B
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD80X25B is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø80mm 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.
- BoreØ80 mm
- Stroke25 mm
- Port sizePT3/8
- Acting typeDouble acting, double rod
- Rod threadM14×1.5 (F) / M22×1.5 (B)
- CushionFixed NBR bumper (both ends)
About the Airtac SDAD Double Rod Slim Cylinder SDAD80X25B
The AirTAC SDAD80X25B 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 2267.8 N at 0.5 MPa. This symmetric thrust is essential for precision tasks requiring consistent resistance.
This specific SKU includes male M22x1.5 threads on both 25 mm rod ends, allowing direct mechanical fastening. The short body design minimizes axial mounting depth, while a fixed NBR bumper at each end decelerates the 25 mm stroke. Note this version lacks a piston magnet, so it cannot support magnetic sensing.
Airtac SDAD Double Rod Slim Cylinder SDAD80X25B Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD80X25B |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 25 mm |
| Acting type | Double acting, rod both ends |
| Port size | PT3/8 |
| Rod end thread | M14×1.5 female / M22×1.5 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 (Ø80mm)
| Pressure | Force (both directions) |
|---|---|
| 0.5 MPa | 2268 N |
| 0.7 MPa | 3175 N |
| Max (@1.0 MPa) | 463 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 SDAD80X25B
| SDAD | Compact double-acting cylinder, rod out both ends. |
|---|---|
| 80 | 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 SDAD80X25B Is Used
Web Guiding Mechanism
Uses the equal 2267.8 N bidirectional force to push and pull a paper web guide evenly, preventing asymmetric tension during high speed routing.
Lifting Platform Stop
Employs the dual male M22x1.5 rod ends to mount a hard stop on one side and a mechanical link on the other, resisting twist during heavy vertical halts.
Symmetric Clamping Jig
Clamps heavy castings from both directions simultaneously, utilizing the matched extend and retract thrust to keep the workpiece perfectly centered.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD80X25B the Right Cylinder?
When sizing this unit, compare its 2267.8 N thrust at 0.5 MPa against adjacent bores: the SDAD63 yields 1401.5 N, while the SDAD100 provides 3524.9 N. Based on the 0.5 MPa figure, the safe working load is approximately 1361 N (about 60 percent of capacity), translating to a vertical lift capability of roughly 115.6 kg with a 2:1 safety margin.
The through-rod geometry prevents twisting and permits driving a tool on one end while mounting a dog on the opposite side. Remember that a plain cylinder drifts when air is lost or the valve centers; the fixed bumper only decelerates near stroke end and does not lock the load. For secure holding, add an external rod lock or pilot-operated check valve. This configuration features an 80 mm bore, 25 mm stroke, PT3/8 port, male M22x1.5 rod 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 SDAD80X25B FAQ
The push and pull forces are equal because the rod exits both ends. It generates 2267.8 N at 0.5 MPa and 3175 N at 0.7 MPa in both directions. The theoretical maximum is 463 kgf at 1.0 MPa, with a proof pressure of 1.5 MPa.
Yes, the through-rod design allows you to drive a load on one end while attaching a dog or secondary tool on the opposite end. This SKU features male M22x1.5 threads on both sides, but note it lacks a magnet for switches.
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