The AirTAC SDA50X45SB Compact Cylinder | 50mm Bore is a genuine double-acting COMPACT (thin) air cylinder with a Ø50mm bore and 45mm stroke, PT1/4 air ports and a riveted short body that saves mounting depth. Sensor slots around the body accept magnetic switches for position sensing.
The AirTAC SDA50X45SB is a double-acting, single-rod compact cylinder engineered to deliver 981.7 N of push force and 824.7 N of pull force at 0.5 MPa. Its riveted body design integrates the barrel, rear cover, and piston into a highly unified structure, significantly reducing axial mounting depth compared to traditional round-body cylinders. This space-saving footprint is ideal for machinery where overall length is restricted.
This specific configuration includes a built-in piston magnet (-S) for position sensing via AirTAC reed or electronic switches mounted in the body grooves, and a male-thread piston rod (-B) sized at M18x1.5 for secure mechanical load coupling. End-stop energy is managed by a fixed NBR bumper, which decelerates the piston near stroke completion rather than acting as a lock. Operating speeds span 30-500 mm/s, supported by a hard-anodized 50 mm bore.
| Model | AirTAC SDA50X45SB Compact Cylinder | 50mm Bore |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø50 mm |
| Stroke | 45 mm |
| Acting type | Double acting |
| Port size | PT1/4 |
| Rod end thread | M10×1.5 female / M18×1.5 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 | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (@1.0 MPa) | 200 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. |
|---|---|
| 50 | Bore size in mm. |
| ×45 | 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 medium-weight cartons off a sorting line using 981.7 N of extend force, with the 45 mm stroke moving products cleanly into a secondary chute.
Secures aluminum housings during machining via the male M18x1.5 rod end, providing reliable holding without occupying excessive vertical bay space.
Acts as a pneumatic stop for incoming pallets on an assembly conveyor, absorbing the initial contact impact through the fixed NBR bumper.
When sizing this actuator, evaluate your force margins both ways: stepping down to the SDA40 yields 628.3 N of push at 0.5 MPa, while stepping up to the SDA63 provides 1558.6 N. If your process demands position holding upon air loss, note that this unit will drift; an external rod lock or pilot-operated check valve is required to secure the load.
Confirm your ordering essentials before finalizing: this SDA50X45SB specifies a 50 mm bore, 45 mm stroke, PT1/4 porting, an integrated sensor magnet, and a male M18x1.5 piston rod end. Because the fixed NBR bumper cannot be adjusted, high-energy cycles should incorporate an external shock absorber to prevent end-cap damage.
Quick checklist
At 0.5 MPa, this 50 mm bore cylinder provides 981.7 N of push force and 824.7 N of pull force. At 0.7 MPa, push increases to 1374.4 N and pull to 1154.5 N. The theoretical maximum push capacity is 200 kgf at 1.0 MPa, with a proof pressure of 1.5 MPa.
No, a standard double-acting cylinder will drift if air is lost or the valve is centered. The internal fixed NBR bumper only decelerates the piston near the stroke ends; it is not a braking mechanism. To maintain a vertical or suspended load, you must install an external rod lock or a pilot-operated check valve.
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