Airtac SDAD Double Rod Slim Cylinder SDAD80X50SB
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD80X50SB is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø80mm bore, 50mm 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
- Stroke50 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 SDAD80X50SB
The AirTAC SDAD80X50SB is a compact double-acting cylinder featuring a through-rod that exits both ends of the riveted body. Because the rod occupies both chambers, the annular area is identical on extend and retract, yielding an equal push and pull force of 2267.8 N at 0.5 MPa. This symmetric output is highly advantageous for driving balanced loads without shifting dynamics.
This specific configuration includes a built-in piston magnet for AirTAC reed or electronic switches, along with male M22x1.5 thread on both 25 mm rod ends. The short body design minimizes axial mounting depth, while the fixed NBR bumper decelerates the stroke ends. Operating speed ranges from 30-500 mm/s.
Airtac SDAD Double Rod Slim Cylinder SDAD80X50SB Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD80X50SB |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 50 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 SDAD80X50SB
| SDAD | Compact double-acting cylinder, rod out both ends. |
|---|---|
| 80 | Bore size in mm. |
| ×50 | 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 SDAD80X50SB Is Used
Symmetric Lift Station
Drives a lifting platform requiring identical force up and down, using the 2267.8 N equal output to prevent dynamic shifting during vertical transit.
Anti-Rotation Guide
Handles a heavy clamping jaw where the dual 25 mm rods resist twisting torque, maintaining precise alignment without external linear bearings.
Dual-End Transfer
Mounts a pusher tool on one rod end and a magnetic dog on the opposite end, triggering an electronic switch to confirm the 50 mm stroke completion.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD80X50SB the Right Cylinder?
When sizing this unit, consider the neighboring bores: stepping down to SDAD63 provides 1401.5 N at 0.5 MPa, while moving up to SDAD100 yields 3524.9 N. For this 80 mm bore, a safe working load is approximately 1361 N (about 60% of the 0.5 MPa figure), allowing a vertical lift of roughly 115.6 kg with a 2:1 margin. The through-rod geometry resists twisting and permits mounting a tool on one end and a position dog on the opposite side.
This model features a 50 mm stroke, PT3/8 port, and the -S magnet. It uses the -B male M22x1.5 rod thread at both ends. Note that a plain cylinder does not hold position if air pressure is lost or the valve centers; the piston will drift. For load holding without live pressure, install 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 SDAD80X50SB FAQ
The double-rod design provides equal force in both directions: 2267.8 N at 0.5 MPa and 3175 N at 0.7 MPa. The theoretical maximum is 463 kgf at 1.0 MPa.
No, the piston will drift if air is lost or the valve centers. The fixed NBR bumper only decelerates near the stroke end and does not act as a lock. Use an external rod lock or pilot-operated check valve for load holding.
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