Airtac SDAD Double Rod Slim Cylinder SDAD80X70
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD80X70 is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø80mm bore, 70mm 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
- Stroke70 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 SDAD80X70
The AirTAC SDAD80X70 is a double-acting, double-rod compact cylinder featuring a 80mm bore and a 70mm stroke. Because the piston rod exits both ends of the riveted body, the annular area remains identical in both chambers. This geometry ensures push and pull forces match exactly at 2267.8 N each way under 0.5 MPa, delivering stable performance for symmetric loads.
A 25mm diameter through-rod resists twisting during operation, allowing you to mount a work tool on one end and a dog or bracket on the opposite side. The short body design minimizes axial mounting depth, while internal fixed NBR bumpers absorb end-of-stroke shocks. This unit lacks a piston magnet, so it cannot directly host magnetic switches without the -S option.
Airtac SDAD Double Rod Slim Cylinder SDAD80X70 Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD80X70 |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 70 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 SDAD80X70
| SDAD | Compact double-acting cylinder, rod out both ends. |
|---|---|
| 80 | Bore size in mm. |
| ×70 | 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 SDAD80X70 Is Used
Precision Lift Stations
Leverages the equal 2267.8 N push and pull force to raise and lower heavy machining fixtures without asymmetric binding.
Dual-End Transfer
Uses the through-rod geometry to push a part on one end while a dog triggers a mechanical limit switch on the opposite end.
Anti-Twist Pressing
Prevents piston rotation during high-force pressing tasks, ensuring the 25mm rod maintains precise tool alignment.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD80X70 the Right Cylinder?
When sizing this actuator, compare its 2267.8 N output at 0.5 MPa against adjacent bores. Stepping down to the SDAD63 yields 1401.5 N, whereas stepping up to the SDAD100 provides 3524.9 N. Based on the 0.5 MPa figure, a safe working load is roughly 1361 N, which translates to a vertical lift capacity of about 115.6 kg with a 2:1 safety margin.
The through-rod design provides excellent anti-rotation stability for heavy guiding tasks. Remember that a standard cylinder drifts when air pressure is lost or the valve centers; the fixed NBR bumper only decelerates the stroke end and acts as neither a lock nor a brake. For secure load holding, integrate an external rod lock or pilot-operated check valve. This specific configuration features a PT3/8 port, female M14x1.5 rod-end 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 SDAD80X70 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. The operating pressure range is 0.15-1.0 MPa.
No, this specific SKU does not include a piston magnet. You must select the -S option variant to use AirTAC reed or electronic switches for position sensing.
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