The AirTAC AirTAC SDA25X10H Compact Cylinder | 25mm Bore is a genuine double-acting COMPACT (thin) air cylinder with a Ø25mm bore and 10mm stroke, M5×0.8 air ports and a riveted short body that saves mounting depth. Sensor slots around the body accept magnetic switches for position sensing.
The AirTAC SDA25X10H is a double-acting, single-rod compact cylinder engineered for tight axial spaces. It generates 245.4 N of push force and 206.2 N of pull force at 0.5 MPa. This specific SKU features a fluororubber (FKM) seal for enhanced high-temperature and oil resistance, operating reliably across a -20 to +70 C range. The short riveted body integrates the barrel, rear cover, and piston, drastically reducing overall length compared to round-body alternatives.
Designed without an adjustable air cushion, the end stops rely on a fixed NBR bumper to decelerate the stroke. Because this base model lacks the -S suffix, it has no piston magnet and cannot support magnetic sensing. The 10 mm stroke operates at speeds between 30 and 500 mm/s, utilizing an M5x0.8 port and a 10 mm piston rod to transfer motion efficiently.
| Model | AirTAC SDA25X10H Compact Cylinder | 25mm Bore |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø25 mm |
| Stroke | 10 mm |
| Acting type | Double acting |
| 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 |
Specifications follow the official AirTAC SDA compact-cylinder datasheet. Confirm against the product label before installation. Port thread: PT (standard). Rod: female thread (blank) / male thread (B).
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 245 N | 206 N |
| 0.7 MPa | 344 N | — |
| Max (@1.0 MPa) | 50 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| SDA | Compact (thin) double-acting cylinder series. |
|---|---|
| 25 | Bore size in mm. |
| ×10 | Stroke length in mm. |
| S | Built-in magnet for magnetic-switch position sensing (omit = no magnet). |
| B | Male-thread piston rod (omit = female-thread rod). |
Thread: PT standard. Related SDA-family variants: SSA (single-acting push), STA (single-acting pull), SDAD (double rod), SDAJ (adjustable stroke), SDAT (duplex), SDAW (duplex-end).
Employs the 10 mm stroke to nudge printed circuit boards into alignment on a pick-and-place conveyor, utilizing the compact riveted body to fit within dense electronics assembly machinery.
Applies 245.4 N of push force at 0.5 MPa to close sealing jaws on thin packaging film, where the FKM seal withstands thermal exposure from heated sealing bars.
Kicks miniature plastic components out of an injection mold cavity, relying on the short 10 mm stroke and fixed NBR bumper to cycle rapidly without harsh impact.
When sizing this 25 mm bore actuator, evaluate your force margins carefully. Stepping down to the SDA20 yields 157.1 N of push at 0.5 MPa, while stepping up to the SDA32 provides 402.1 N. The SDA25X10H offers a safe working load of roughly 147 N (about 60% of its 245.4 N capacity) and can vertically lift approximately 12.5 kg with a 2:1 safety margin. To order, confirm the 25 mm bore, 10 mm stroke, M5x0.8 port, female rod thread (M5x0.8), and FKM seal. Note that a plain cylinder drifts when air is lost or the valve is centered; the bumper decelerates the stroke end but does not lock the load. For position holding, an external rod lock or pilot-operated check valve is required.
Quick checklist
The SDA25X10H delivers a push force of 245.4 N and a pull force of 206.2 N at 0.5 MPa. At 0.7 MPa, the push force is 343.6 N and pull is 288.6 N. The theoretical maximum push force is 50 kgf at the maximum operating pressure of 1.0 MPa.
No, the piston will drift if air is lost or the directional valve is centered. The fixed NBR bumper only decelerates the piston near the stroke end and does not act as a locking brake. To maintain a vertical load without live pressure, you must install an external rod lock or a pilot-operated check valve.
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