Airtac SDAD Double Rod Slim Cylinder SDAD63X25S
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD63X25S is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø63mm bore, 25mm 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
- Stroke25 mm
- Port sizePT1/4
- Acting typeDouble acting, double rod
- Rod threadM10×1.5 (F) / M18×1.5 (B)
- CushionFixed NBR bumper (both ends)
About the Airtac SDAD Double Rod Slim Cylinder SDAD63X25S
The AirTAC SDAD63X25S is a double-acting, double-rod compact cylinder featuring a 63mm bore and 25mm stroke. Because the piston rod exits both ends of the riveted body, the annular area remains identical in each chamber, ensuring push force equals pull force at 1401.5 N under 0.5 MPa. This symmetric thrust is ideal for balanced actuation tasks.
A built-in magnet (-S) enables position sensing with AirTAC reed or electronic switches fitted directly into the body grooves. The through-rod geometry inherently resists twisting, allowing you to mount a work tool on one end and a positioning dog on the opposite side. End-of-stroke deceleration is handled by a fixed NBR bumper rather than an adjustable air cushion.
Airtac SDAD Double Rod Slim Cylinder SDAD63X25S Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD63X25S |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø63 mm |
| Stroke | 25 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 SDAD63X25S
| SDAD | Compact double-acting cylinder, rod out both ends. |
|---|---|
| 63 | Bore size in mm. |
| ×25 | 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 SDAD63X25S Is Used
Web Guiding Mechanism
Uses the anti-rotation through-rod to keep a guiding jaw perfectly aligned, driving symmetrically from both ends to prevent twisting under high friction loads.
Dual-End Transfer Gate
Mounts a physical gate on one rod end and a magnetic dog on the opposite end, allowing an electronic switch to confirm barrier position while shifting 71.4 kg loads.
Balanced Lift Platform
Exploits the equal 1401.5 N push and pull forces to raise and lower a light assembly tray without inducing asymmetric side-loading on the 20mm piston rod.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD63X25S the Right Cylinder?
When sizing this unit, compare its 1401.5 N @0.5 MPa capacity against adjacent bores: stepping down to the SDAD50 yields 824.7 N, while moving up to the SDAD80 provides 2267.8 N. Based on the 0.5 MPa rating, a safe working load is roughly 841 N (about 60 percent capacity), translating to a vertical lift capability of approximately 71.4 kg with a 2:1 safety margin.
This configuration includes a 20mm rod diameter, PT1/4 air port, and female M10x1.5 rod-end threads on both sides. Note that the fixed NBR bumper only decelerates the stroke end and does not act as a lock; if air pressure drops, the piston will drift. 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 SDAD63X25S FAQ
Because it is a double-rod cylinder, force is equal in both directions: 1401.5 N at 0.5 MPa and 1962.2 N at 0.7 MPa. The theoretical maximum is 286 kgf at 1.0 MPa, with a proof pressure of 1.5 MPa.
Yes, the through-rod design allows driving a tool on one end while mounting a switch dog on the other. The built-in magnet supports AirTAC reed or electronic switches, and the geometry resists torsion.
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