Airtac SDAD Double Rod Slim Cylinder SDAD25X100SB
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD25X100SB is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø25mm bore, 100mm 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
- Stroke100 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 SDAD25X100SB
The AirTAC SDAD25X100SB 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 you exactly 206.2 N of push and pull force at 0.5 MPa. This symmetric output is a major advantage when driving loads that must remain balanced in both extend and retract motions.
This specific configuration includes a built-in magnet for position sensing and male M8x1.25 thread rods on both ends. The short body design saves axial mounting depth compared to standard round-body options. End-of-stroke deceleration is handled by a fixed NBR bumper, which absorbs shock but is not an adjustable air cushion.
Airtac SDAD Double Rod Slim Cylinder SDAD25X100SB Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD25X100SB |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø25 mm |
| Stroke | 100 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 SDAD25X100SB
| SDAD | Compact double-acting cylinder, rod out both ends. |
|---|---|
| 25 | Bore size in mm. |
| ×100 | 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 SDAD25X100SB Is Used
Symmetric Transfer Chuck
Utilizes the equal 206.2 N extend and retract force to grip and release delicate wafers without shifting the center of mass during transit.
Dual-End Vertical Lift
Exploits the male M8x1.25 threads on both ends to drive a primary lift carriage on one side and a limit dog on the other for precise height registration.
Anti-Rotation Guiding Jig
Leverages the 10 mm through-rod to resist twisting forces during a 100 mm clamping stroke, maintaining strict parallelism on machining fixtures.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD25X100SB the Right Cylinder?
When sizing this 25 mm bore, compare its 206.2 N @0.5 MPa capacity against adjacent models. Dropping down to the SDAD20 provides 131.9 N, while stepping up to the SDAD32 yields 345.6 N. For this bore, a safe working load is approximately 124 N (about 60% of the 0.5 MPa figure), allowing a vertical lift of roughly 10.5 kg with a 2:1 safety margin.
The through-rod geometry resists twisting and lets you mount a tool on one end while fitting a dog or switch on the opposite side. This SDAD25X100SB variant features a 100 mm stroke, an M5x0.8 port, the -S magnet for reed or electronic switches, and -B male M8x1.25 rod threads. Remember that a plain cylinder drifts when air is lost or the valve centers; use an external rod lock or pilot-operated check valve for load holding.
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 SDAD25X100SB 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, with a proof pressure of 1.5 MPa.
The through-rod prevents rotation and allows you to mount tooling on one end and a sensor target on the opposite end simultaneously. This SB variant includes male M8x1.25 threads on both rods and a built-in magnet for reed or electronic switches.
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