Airtac SDAD Double Rod Slim Cylinder SDAD63X20S
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD63X20S is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø63mm bore, 20mm 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.
- BoreØ63 mm
- Stroke20 mm
- Port sizePT1/4
- Acting typeDouble acting, double rod
- Rod threadM10×1.5 (F) / M18×1.5 (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 SDAD63X20S
The AirTAC SDAD63X20S is a compact double-acting cylinder featuring a through-rod that exits both ends of the riveted body. Because the piston rod occupies both chambers, the annular area is identical on extend and retract, yielding exactly 1401.5 N of push and pull force at 0.5 MPa. This symmetric output is ideal for balancing loads without shifting the center of gravity.
The 63 mm bore uses a 20 mm rod and a PT1/4 port, while the integrated magnet allows position detection using reed or electronic switches. End-of-stroke deceleration relies on fixed NBR bumpers rather than adjustable air cushions. The short body depth minimizes axial footprint, and the dual-end geometry prevents twisting while permitting a secondary tool or dog to mount opposite the primary work attachment.
Airtac SDAD Double Rod Slim Cylinder SDAD63X20S Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD63X20S |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø63 mm |
| Stroke | 20 mm |
| Acting type | Double acting, rod both ends |
| Port size | PT1/4 |
| Rod end thread | M10×1.5 female / M18×1.5 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 (Ø63mm)
| Pressure | Force (both directions) |
|---|---|
| 0.5 MPa | 1402 N |
| 0.7 MPa | 1962 N |
| Max (@1.0 MPa) | 286 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 SDAD63X20S
| SDAD | Compact double-acting cylinder, rod out both ends. |
|---|---|
| 63 | Bore size in mm. |
| ×20 | 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 SDAD63X20S Is Used
Symmetric Lifting Jig
Drives a vertical lift platform where equal 1401.5 N force on extend and retract prevents sagging on the return stroke, maintaining precise vertical alignment.
Dual-End Transfer Unit
Mounts a gripper on the front rod and a position dog on the rear, using the anti-rotation through-rod to keep the tool plane stable during high-speed transfers.
Carton Flap Folder
Folds heavy packaging flaps simultaneously from both sides, relying on the compact riveted body to fit within tight conveyor frame clearances.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD63X20S the Right Cylinder?
When sizing this unit, compare its output against neighboring bores: the SDAD50 provides 824.7 N at 0.5 MPa, while the larger SDAD80 yields 2267.8 N at 0.5 MPa. For the SDAD63X20S, a safe working load is roughly 841 N (about 60% of the 0.5 MPa figure), allowing a vertical lift of approximately 71.4 kg with a 2:1 safety margin.
This configuration includes the S option for a built-in magnet and female M10x1.5 rod-end threads on both ends. The through-rod resists rotation and supports dual-end mounting. Remember that a plain cylinder drifts when air is lost or the valve centers; the NBR bumper only decelerates near the stroke end and does not function as a lock. 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 SDAD63X20S FAQ
Because the double-rod design provides equal annular area in both directions, push and pull forces are identical: 1401.5 N at 0.5 MPa, 1962.2 N at 0.7 MPa, and a theoretical maximum of 286 kgf at 1.0 MPa.
Yes, the through-rod exits both ends to resist twisting, allowing you to drive a tool on one side and mount a dog on the other. The S option includes a piston magnet for tracking position with AirTAC reed or electronic switches.
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