Airtac SDAD Double Rod Slim Cylinder SDAD100X70
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD100X70 is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø100mm 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.
- BoreØ100 mm
- Stroke70 mm
- Port sizePT3/8
- Acting typeDouble acting, double rod
- Rod threadM18×1.5 (F) / M26×1.5 (B)
- CushionFixed NBR bumper (both ends)
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SDAD Double Rod Slim Cylinder SDAD100X70
The AirTAC SDAD100X70 is a double-acting, double-rod compact cylinder featuring a 100mm bore and a 70mm stroke. Because the 32mm piston rod exits both ends of the riveted body, the annular area is identical in each chamber. This geometry ensures push force equals pull force, delivering exactly 3524.9 N at 0.5 MPa in either direction. The through-rod design inherently resists twisting, providing stable guidance for heavy symmetric loads.
This specific model uses a PT3/8 air port and female M18x1.5 rod-end threads on both sides. End-of-stroke deceleration is handled by a fixed NBR bumper rather than an adjustable air cushion. Please note this SKU lacks a piston magnet, so it cannot directly accept magnetic switches; you would need the -S variant for position sensing.
Airtac SDAD Double Rod Slim Cylinder SDAD100X70 Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD100X70 |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø100 mm |
| Stroke | 70 mm |
| Acting type | Double acting, rod both ends |
| Port size | PT3/8 |
| Rod end thread | M18×1.5 female / M26×1.5 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 (Ø100mm)
| Pressure | Force (both directions) |
|---|---|
| 0.5 MPa | 3525 N |
| 0.7 MPa | 4935 N |
| Max (@1.0 MPa) | 719 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 SDAD100X70
| SDAD | Compact double-acting cylinder, rod out both ends. |
|---|---|
| 100 | 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 SDAD100X70 Is Used
Heavy Vertical Lifting
Raises 179.7 kg platforms with a 2:1 safety margin using its 3524.9 N equal bidirectional force, preventing gravity-induced drift during the extend stroke.
Precision Guiding Jig
Uses the 32mm through-rod exiting both ends to resist twisting on heavy press fixtures, maintaining alignment without external guide rails.
Dual-End Transfer Unit
Mounts a pusher plate on one end and a mechanical dog on the opposite end simultaneously, leveraging the 70mm stroke for compact synchronous transfer.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD100X70 the Right Cylinder?
When sizing this actuator, consider the SDAD80 which provides 2267.8 N at 0.5 MPa, or step up to this 100mm bore for 3524.9 N at 0.5 MPa and 4934.8 N at 0.7 MPa. Based on the 0.5 MPa figure, a safe working load is roughly 2115 N (about 60 percent capacity), allowing a vertical lift of approximately 179.7 kg with a 2:1 safety margin. The through-rod allows driving a tool on one end while mounting a mechanical dog on the opposite end.
Remember that a plain SDAD100X70 does not hold position if air pressure drops or the valve is centred, as the piston will drift and the NBR bumper only decelerates near the stroke end. For load holding without live pressure, install an external rod lock or a pilot-operated check valve. This configuration features female rod threads, a 70mm stroke, 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 SDAD100X70 FAQ
The force is equal in both directions due to the double-rod design. It outputs 3524.9 N at 0.5 MPa, 4934.8 N at 0.7 MPa, and a theoretical maximum of 719 kgf at 1.0 MPa. The maximum operating pressure is 1.0 MPa.
Yes, the 32mm through-rod extends from both sides, allowing you to drive a tool on one end and mount a dog on the other. Note this specific SKU has no magnet for switches; you must specify the -S option for reed or electronic sensing.
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