The AirTAC SDA16X20SB 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 SDA16X20SB is a double-acting, single-rod compact cylinder engineered for tight axial spaces. It generates 100.5 N of push force and 86.4 N of pull force at 0.5 MPa. The riveted unibody design integrates the barrel, rear cover, piston, and rod to drastically reduce overall length compared to conventional round-body units, saving valuable machine footprint. A hard-anodized bore and two-way piston seal ensure durable, low-friction operation.
This specific configuration includes a built-in piston magnet (-S) for position sensing via AirTAC reed or electronic switches fitted into the body grooves. It also features a male-thread M5x0.8 piston rod (-B) instead of the standard female M3x0.5 thread, providing a robust mechanical coupling for your load. End-stroke deceleration is handled by a fixed NBR bumper, which is not field-adjustable.
| Model | AirTAC SDA16X20SB 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).
Pushes delicate printed circuit boards into alignment during pick-and-place assembly, utilizing the 20mm stroke and 100.5 N force to nudge components without causing surface damage.
Actuates lightweight sealing jaws on vertical form-fill-seal machinery, where the short 16mm bore riveted body conserves axial depth and the male M5 rod threads directly into the jaw bracket.
Moves a fluid dispensing nozzle over microplate wells in automated diagnostic equipment, relying on the -S magnet and an electronic switch to confirm the exact 20mm extension.
When sizing this 16mm bore, evaluate your force requirements carefully. Stepping down to the SDA12 yields 56.5 N of push at 0.5 MPa, while stepping up to the SDA20 provides 157.1 N. Remember that a standard compact 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. If your application demands strict position holding without live pressure, you must integrate an external rod lock or a pilot-operated check valve. To order, confirm the 16mm bore, 20mm stroke, M5x0.8 port, male M5 rod thread, and the required magnetic sensor.
Quick checklist
This double-acting 16mm bore cylinder provides 100.5 N push and 86.4 N pull at 0.5 MPa, and 140.7 N push at 0.7 MPa. Its theoretical maximum push force is 21 kgf at 1.0 MPa. It operates within a pressure range of 0.15-1.0 MPa, handles speeds of 30-500 mm/s, and functions in temperatures from -20 to +70 C.
It relies on a fixed NBR bumper at each end to decelerate the piston; this is not an adjustable air cushion, so you should slow the approach or add an external shock absorber for high-energy loads. Because it includes the -S option, it has a built-in magnet compatible with AirTAC reed or electronic switches mounted in the body grooves.
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