Airtac SDAD Double Rod Slim Cylinder SDAD80X85
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD80X85 is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø80mm bore, 85mm 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
- Stroke85 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 SDAD80X85
The AirTAC SDAD80X85 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 on extend and retract, yielding equal push and pull force of 2267.8 N at 0.5 MPa. This symmetry is essential when driving loads that must move with the same energy in both directions.
The 80 mm bore uses a 25 mm rod and a PT3/8 port. End-of-stroke deceleration is handled by a fixed NBR bumper rather than an adjustable air cushion. The short body depth saves axial mounting space, and the through-rod geometry naturally resists twisting, allowing you to mount a tool on one end and a dog on the opposite side.
Airtac SDAD Double Rod Slim Cylinder SDAD80X85 Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD80X85 |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 85 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 SDAD80X85
| SDAD | Compact double-acting cylinder, rod out both ends. |
|---|---|
| 80 | Bore size in mm. |
| ×85 | 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 SDAD80X85 Is Used
Symmetric Lift Station
Drives a vertical lifting platform where the 2267.8 N equal extend and retract force prevents sagging on the downstroke, ensuring smooth travel for 115 kg loads.
Anti-Rotation Guide
Pushes a precision scoring head that cannot twist during travel, using the dual-end through-rod to maintain strict parallelism across an 85 mm stroke.
Dual-End Transfer
Mounts a pusher on the front rod and a mechanical dog on the rear rod to trip a physical limit switch, saving space on a tight packaging line.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD80X85 the Right Cylinder?
When sizing this model against its neighbors, the SDAD63 provides 1401.5 N at 0.5 MPa, while the SDAD100 offers 3524.9 N. The SDAD80X85 sits comfortably in the middle, delivering a safe working load of roughly 1361 N, which equates to a vertical lift capacity of about 115.6 kg with a 2:1 safety margin. Choose the 80 mm bore when the 63 mm lacks thrust or the 100 mm is physically too large.
This specific SKU lacks the S magnet option, so it cannot accept magnetic switches. The rod-end threads are female M14x1.5 on both ends. Note that a standard cylinder drifts when air is lost or the valve centers; use an external rod lock or pilot-operated check valve for load holding. The fixed NBR bumper decelerates the stroke end but is not a brake.
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 SDAD80X85 FAQ
Because it is a double-rod cylinder, the force is equal in both directions. It generates 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 exits both ends, allowing you to drive a tool on one side while using the opposite end for external tracking. However, this specific SKU lacks the S magnet, so it cannot use magnetic switches without upgrading to the -S variant.
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