The AirTAC AirTAC SDA50X25B Compact Cylinder | 50mm Bore is a genuine double-acting COMPACT (thin) air cylinder with a Ø50mm bore and 25mm 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 SDA50X25B 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 assembly significantly reduces axial mounting depth compared to conventional round-body units, making it highly effective for machinery where space savings are critical. The hard-anodized 50 mm bore operates at speeds between 30 and 500 mm/s.
This specific SKU features a male M18x1.5 threaded piston rod for robust mechanical coupling to your load. It lacks a piston magnet, meaning it cannot host AirTAC reed or electronic switches without upgrading to the -S variant. End-of-stroke deceleration is handled by a fixed NBR bumper rather than an adjustable air cushion, so high-energy cycles may require external shock absorption.
| Model | AirTAC SDA50X25B Compact Cylinder | 50mm Bore |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø50 mm |
| Stroke | 25 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. |
| ×25 | 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).
Secures heavy cast iron engine blocks onto machining centers using the 981.7 N extend force, while the short 25 mm stroke keeps the fixture profile extremely tight.
Drives mechanical arms to tuck corrugated box flaps prior to sealing, relying on the male M18x1.5 rod end for a rigid connection to the folding bracket.
Actuates routing gates on high-speed packaging conveyors, utilizing the fixed NBR bumper to absorb the impact of rapid 25 mm directional shifts.
When sizing this actuator, evaluate your neighbours: 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. For this 50 mm bore, the 981.7 N output translates to a safe working load of roughly 589 N (about 60% capacity) and a vertical lift capability of approximately 50 kg with a 2:1 safety margin. Confirm your ordering essentials: 50 mm bore, 25 mm stroke, PT1/4 port, male M18x1.5 rod thread, and no sensor magnet. Note that a standard compact cylinder drifts when air pressure is lost or the valve is centred; the fixed bumper only decelerates 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 pilot-operated check valve.
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 the 1.0 MPa operating pressure limit.
No. This model uses a fixed NBR bumper at each end to decelerate the stroke, which is not an adjustable air cushion. Additionally, because it lacks the -S option, it has no piston magnet and cannot support reed or electronic switches.
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