The AirTAC AirTAC SDA16X20N Compact Cylinder | 16mm Bore is a genuine double-acting COMPACT (thin) air cylinder with a Ø16mm bore and 20mm 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 SDA16X20N is a double-acting, single-rod compact cylinder engineered for tight machinery spaces. It generates 100.5 N of push force and 86.4 N of pull force at 0.5 MPa, yielding a safe working load around 60 N and a vertical lift capacity of roughly 5.1 kg with a 2:1 safety margin.
Its riveted body assembly drastically reduces axial mounting depth compared to round-body units. The bore is hard-anodized for durability, while a fixed NBR bumper at each end absorbs end-stop impact. This specific SKU lacks a piston magnet, so it cannot host magnetic switches; order an -S variant if reed or electronic sensing is required.
| Model | AirTAC SDA16X20N Compact Cylinder | 16mm Bore |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø16 mm |
| Stroke | 20 mm |
| Acting type | Double acting |
| Port size | M5×0.8 |
| Rod end thread | M3×0.5 female / M5×0.8 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 50 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 | 101 N | 86 N |
| 0.7 MPa | 141 N | — |
| Max (@1.0 MPa) | 21 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. |
|---|---|
| 16 | Bore size in mm. |
| ×20 | 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).
Positions delicate printed circuit boards on an SMT line using its 100.5 N push force without overwhelming fragile fiberglass substrates.
Maintains precise tracking on horizontal flow-wrap machines where the short 16 mm bore footprint prevents interference with moving film rollers.
Drives small volumetric pumps for reagent dispensing, offering a 5.1 kg vertical lift capacity with a 2:1 safety margin for fluid metering.
When sizing this 16 mm bore unit, consider stepping down to the SDA12 if your load requires only 56.5 N of push at 0.5 MPa, or move up to the SDA20 which provides 157.1 N if greater thrust is needed. To order correctly, confirm the 16 mm bore, 20 mm stroke, M5x0.8 port, female M3x0.5 rod thread, and no magnet.
Keep in mind that a standard double-acting cylinder drifts when air pressure is lost or the valve is centered. The fixed NBR bumper only decelerates the piston near the stroke end and does not function as a locking brake. To suspend a load safely without live pressure, integrate an external rod lock or a pilot-operated check valve.
Quick checklist
At 0.5 MPa this cylinder provides 100.5 N push and 86.4 N pull. At 0.7 MPa it provides 140.7 N push and 121 N pull. The theoretical maximum push force is 21 kgf at 1.0 MPa, with an operating pressure range of 0.15-1.0 MPa.
No, this specific SKU does not include a piston magnet, meaning it cannot host reed or electronic switches. You must select an SDA16 model with the -S option code to enable magnetic sensing in the body grooves.
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