Airtac SDAD Double Rod Slim Cylinder SDAD80X35S
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD80X35S is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø80mm 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.
- BoreØ80 mm
- Stroke35 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 SDAD80X35S
The AirTAC SDAD80X35S is a compact double-acting cylinder featuring a 25 mm piston rod exiting both ends of its riveted body. Because a rod occupies each chamber, the annular area is identical on extend and retract, yielding equal push and pull force of 2267.8 N at 0.5 MPa. This symmetric thrust is highly advantageous for loads requiring consistent kinetic energy in both directions.
The integrated through-rod geometry resists twisting, providing inherent anti-rotation stability without external guides. A built-in magnet (-S) enables position detection using AirTAC reed or electronic switches fitted into the body grooves. End-of-stroke deceleration is handled by a fixed NBR bumper, and the short axial footprint saves valuable mounting depth compared to conventional cylinders.
Airtac SDAD Double Rod Slim Cylinder SDAD80X35S Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD80X35S |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 35 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 SDAD80X35S
| SDAD | Compact double-acting cylinder, rod out both ends. |
|---|---|
| 80 | 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 SDAD80X35S Is Used
Symmetric Lift Station
Drives a vertical lift platform requiring identical 2267.8 N push and pull force to smoothly raise and lower a 115 kg workpiece without twisting.
Dual-End Transfer
Uses the through-rod to push a part on one end while a magnetic switch tracks the opposite end, coordinating a 35 mm transfer stroke.
Anti-Rotation Guide
Holds a precision straightening head steady against lateral torque, leveraging the dual 25 mm rods to prevent deflection during pressing.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD80X35S the Right Cylinder?
When sizing this model, evaluate the neighboring bores: the SDAD63 provides 1401.5 N at 0.5 MPa, while the SDAD100 delivers 3524.9 N. The SDAD80X35S provides a safe working load of roughly 1361 N, allowing a vertical lift of about 115.6 kg with a 2:1 margin. Choose the 80 mm bore if your application requires substantial symmetric force within a shorter envelope.
This configuration includes a 35 mm stroke, PT3/8 port, and female M14x1.5 rod-end threads on both ends. The through-rod allows driving a tool on one side while mounting a switch dog on the opposite end. Note that a plain cylinder drifts when air is lost or the valve centers; the fixed bumper only decelerates near stroke end. For secure 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 SDAD80X35S FAQ
Because it is a double-rod cylinder, the force is equal in both directions: 2267.8 N at 0.5 MPa, 3175 N at 0.7 MPa, and a theoretical maximum of 463 kgf at 1.0 MPa.
Yes, the through-rod design allows you to mount a tool on one end and a dog for a reed or electronic switch on the other. The -S magnet enables this position sensing.
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