Airtac SDAD Double Rod Slim Cylinder SDAD25X35H
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD25X35H is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø25mm bore, 35mm 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.
- BoreØ25 mm
- Stroke35 mm
- Port sizeM5×0.8
- Acting typeDouble acting, double rod
- Rod threadM5×0.8 (F) / M8×1.25 (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 SDAD25X35H
The AirTAC SDAD25X35H is a compact double-acting cylinder featuring a through-rod that exits both ends of the riveted body. Because the rod occupies both chambers, the annular area is identical in each direction, giving exactly 206.2 N of push and pull force at 0.5 MPa. This symmetric output is ideal for balanced tooling.
This specific SKU includes an H-designation fluororubber (FKM) seal for enhanced thermal and oil resistance. The 10 mm rods feature female M5x0.8 end threads, and the body integrates a fixed NBR bumper at each end to absorb end-of-stroke shock. Note this version lacks a piston magnet, so position sensing is not supported.
Airtac SDAD Double Rod Slim Cylinder SDAD25X35H Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD25X35H |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø25 mm |
| Stroke | 35 mm |
| Acting type | Double acting, rod both ends |
| Port size | M5×0.8 |
| Rod end thread | M5×0.8 female / M8×1.25 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 (Ø25mm)
| Pressure | Force (both directions) |
|---|---|
| 0.5 MPa | 206 N |
| 0.7 MPa | 289 N |
| Max (@1.0 MPa) | 42 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 SDAD25X35H
| SDAD | Compact double-acting cylinder, rod out both ends. |
|---|---|
| 25 | Bore size in mm. |
| ×35 | 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 SDAD25X35H Is Used
Symmetric Transfer Chuck
Uses the equal 206.2 N bidirectional force to grip and release delicate wafers without applying uneven torsional stress.
Dual-End Guiding Jig
Mounts a work clamp on one rod end and a mechanical stop dog on the opposite end to maintain strict parallelism.
Heat-Resistant Flap Folder
Leverages the FKM seals to withstand warm packaging environments while folding carton flaps with consistent push and pull.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD25X35H the Right Cylinder?
When sizing this 25 mm bore, compare its 206.2 N output at 0.5 MPa against neighbouring bores: the SDAD20 provides 131.9 N, while the SDAD32 yields 345.6 N. The through-rod design prevents twisting and permits driving a tool on one end while mounting a dog on the opposite side.
This model uses an M5x0.8 air port and female M5x0.8 rod threads. Remember that a plain cylinder drifts when air is lost or the valve centres; the fixed NBR bumper only decelerates near the stroke end. For secure 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 SDAD25X35H FAQ
The double-rod design provides equal force in both directions: 206.2 N at 0.5 MPa and 288.6 N at 0.7 MPa. The theoretical maximum is 42 kgf at 1.0 MPa. Operating pressure ranges from 0.15 to 1.0 MPa.
No, this specific SKU does not have a built-in piston magnet, so it cannot support reed or electronic switches. You would need the -S variant to enable sensing on the body sensor grooves.
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Related AirTAC SDAD Cylinders
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