The AirTAC AirTAC SDA16X50SH Compact Cylinder | 16mm Bore is a genuine double-acting COMPACT (thin) air cylinder with a Ø16mm bore and 50mm 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 SDA16X50SH is a double-acting single-rod compact cylinder engineered for tight machinery footprints. Its riveted assembly minimizes axial length, delivering 100.5 N of push force at 0.5 MPa and 140.7 N at 0.7 MPa. The 16 mm bore features a 6 mm piston rod and an M5x0.8 port, while the 50 mm stroke represents the maximum standard extension for this bore size.
This unit includes a built-in piston magnet (-S) for direct mounting of AirTAC reed or electronic switches along the body grooves. The -H option specifies fluororubber (FKM) seals for enhanced thermal and oil resistance. End-stopping relies on a fixed NBR bumper that decelerates the piston, not an adjustable air cushion.
| Model | AirTAC SDA16X50SH Compact Cylinder | 16mm Bore |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø16 mm |
| Stroke | 50 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. |
| ×50 | 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).
Moves a 5.1 kg reagent rack vertically with a 2:1 safety margin, utilizing the 50 mm stroke to precisely align fluid nozzles over test tubes.
Applies lateral 60 N guiding pressure on a conveyor to square circuit boards before optical inspection, fitting easily into shallow electronics machinery.
Uses the FKM seals to withstand warm packaging environments, pushing a tensioner arm to maintain polymer web alignment during high-speed wrapping.
When sizing this actuator, stepping down to the SDA12 yields 56.5 N of push at 0.5 MPa, whereas stepping up to the SDA20 provides 157.1 N. For the SDA16X50SH, a safe working load is approximately 60 N (about 60% of the 100.5 N figure), allowing a vertical lift of roughly 5.1 kg with a 2:1 safety margin. To confirm your ordering essentials: specify the 16 mm bore, 50 mm stroke, M5x0.8 port, female M3x0.5 rod thread, the S magnet, and the H fluororubber seal. Note that a standard compact cylinder drifts when air pressure is lost; if your process requires vertical load holding, integrate an external rod lock or pilot-operated check valve.
Quick checklist
At 0.5 MPa, the push force is 100.5 N and the pull force is 86.4 N. At 0.7 MPa, the push force is 140.7 N. The theoretical maximum push force is 21 kgf at 1.0 MPa. The operating pressure range is 0.15-1.0 MPa, with a proof pressure of 1.5 MPa.
It uses a fixed NBR bumper at each end to decelerate the piston, which is not an adjustable air cushion or a locking brake. For position feedback, the integrated piston magnet works with AirTAC reed or electronic switches mounted in the body grooves.
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