Airtac SDAD Double Rod Slim Cylinder SDAD80X55SB
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD80X55SB is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø80mm bore, 55mm 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
- Stroke55 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 SDAD80X55SB
The AirTAC SDAD80X55SB is a double-acting compact cylinder featuring a through-rod that exits both ends of the riveted body. Because the piston rod occupies each chamber equally, the annular area remains constant, delivering identical push and pull thrust of 2267.8 N at 0.5 MPa. This symmetric force is ideal for balancing heavy loads without twisting.
Equipped with a built-in magnet (-S) for AirTAC reed or electronic switches, the unit also features male M22x1.5 rod threads (-B) on both ends for secure mechanical attachments. The short body design drastically reduces axial footprint compared to conventional cylinders. End-of-stroke energy is managed solely by a fixed NBR bumper, decelerating the piston without adjustable air cushioning.
Airtac SDAD Double Rod Slim Cylinder SDAD80X55SB Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD80X55SB |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 55 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 SDAD80X55SB
| SDAD | Compact double-acting cylinder, rod out both ends. |
|---|---|
| 80 | Bore size in mm. |
| ×55 | 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 SDAD80X55SB Is Used
Web Guiding Mechanism
Uses the anti-rotation through-rod to steer material evenly, applying 2267.8 N of symmetric force to prevent twisting during high-speed line adjustments.
Elevator Platform Lift
Raises a 115 kg fixture using the male M22x1.5 threads on both ends, relying on equal push and pull thrust to keep the platform perfectly level.
Dual-End Press Station
Mounts a forming tool on one rod end and a proximity dog on the other, taking advantage of the compact riveted body to save floor space in tight cells.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD80X55SB the Right Cylinder?
When sizing this 80 mm bore, compare its 2267.8 N output at 0.5 MPa against neighboring models: the SDAD63 provides 1401.5 N, while the SDAD100 offers 3524.9 N. For a safe working load, plan around 1361 N (60 percent of the 0.5 MPa figure), which supports a vertical lift of roughly 115.6 kg with a 2:1 safety margin. The PT3/8 port and 25 mm rod diameter are fixed by the bore.
The through-rod geometry prevents rotation and permits mounting a tool on one end and a position dog on the opposite side. Remember that the fixed NBR bumper only decelerates near stroke end; it will not hold a load if air pressure drops. For vertical load holding without live pressure, integrate an external rod lock or pilot-operated check valve. This configuration includes the -S magnet and -B male M22x1.5 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 SDAD80X55SB FAQ
The thrust is equal in both directions due to the double-rod design: 2267.8 N at 0.5 MPa and 3175 N at 0.7 MPa. The theoretical maximum is 463 kgf at 1.0 MPa, with a proof pressure of 1.5 MPa.
No, the piston will drift if air pressure is lost or the valve is centered. The fixed NBR bumper only decelerates the stroke at the end caps; it does not act as a brake. Use an external rod lock or pilot-operated check valve for load holding.
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