Airtac SDAD Double Rod Slim Cylinder SDAD25X30H
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD25X30H is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø25mm bore, 30mm 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
- Stroke30 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 SDAD25X30H
The AirTAC SDAD25X30H is a compact double-acting cylinder with a piston rod exiting both ends. Because a rod occupies each chamber, the annular area is identical on extend and retract, yielding 206.2 N of force at 0.5 MPa in both directions. This symmetry is ideal for balancing loads, while the through-rod geometry naturally resists twisting. The short riveted body minimizes axial footprint where space is tight.
This specific SKU features a fluororubber (FKM) seal for enhanced thermal and oil resistance within the standard -20 to +70 C operating range. It uses a fixed NBR bumper at each end to decelerate the stroke, rather than an adjustable air cushion. Note that this base configuration lacks a piston magnet, so it cannot directly host magnetic switches without upgrading to the -S variant.
Airtac SDAD Double Rod Slim Cylinder SDAD25X30H Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD25X30H |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø25 mm |
| Stroke | 30 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 SDAD25X30H
| SDAD | Compact double-acting cylinder, rod out both ends. |
|---|---|
| 25 | Bore size in mm. |
| ×30 | 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 SDAD25X30H Is Used
Symmetric Transfer Arms
Drives a pick-and-place arm where equal 206.2 N push and pull forces prevent load imbalance during rapid direction changes.
Anti-Twist Guiding
Uses the through-rod to stabilize a precision guiding fixture, resisting torsional stress that would twist a single-rod actuator.
FKM Sealed Testing Jig
Applies 288.6 N @0.7 MPa of clamping force in an elevated-temperature test chamber, relying on the fluororubber seals for durability.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD25X30H the Right Cylinder?
When sizing this unit, compare its 206.2 N @0.5 MPa output both ways: stepping down to the SDAD20 yields 131.9 N, while stepping up to the SDAD32 provides 345.6 N. This 25 mm bore features a 10 mm rod, an M5x0.8 port, and female M5x0.8 rod-end threads on both sides.
The dual-end rod lets you mount a tool on one side and a dog on the other, leveraging the anti-rotation property. Remember that a standard cylinder does not hold position if air pressure drops or the valve centers; 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 SDAD25X30H FAQ
Because the double-rod design creates equal annular areas, the force is identical in both directions: 206.2 N at 0.5 MPa, 288.6 N at 0.7 MPa, and a theoretical maximum of 42 kgf at 1.0 MPa.
No, this specific SKU lacks a piston magnet and cannot host reed or electronic switches. You must select the -S option code to enable position sensing. The through-rod still allows dual-end mounting for mechanical dogs.
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