The AirTAC AirTAC SDA40X130SB Compact Cylinder | 40mm Bore is a genuine double-acting COMPACT (thin) air cylinder with a Ø40mm bore and 130mm stroke, PT1/8 air ports and a riveted short body that saves mounting depth. Sensor slots around the body accept magnetic switches for position sensing.
The AirTAC SDA40X130SB is a double-acting, single-rod compact cylinder engineered with a 40 mm bore and a 130 mm stroke. Because this stroke exceeds the standard 120 mm maximum for this bore size, it is produced as a made-to-order unit. It delivers a robust 628.3 N of push force and 527.8 N of pull force at 0.5 MPa, making it well-suited for mid-weight automation tasks. The riveted body design drastically reduces axial mounting depth compared to conventional round-body units, saving valuable machine footprint.
This specific configuration includes an -S option for a built-in piston magnet, allowing seamless integration with AirTAC reed or electronic switches for position sensing. The -B option provides a male M14x1.5 threaded piston rod end for secure mechanical coupling to your load. End-of-stroke deceleration is handled by a fixed NBR bumper, which absorbs impact energy but is not a field-adjustable air cushion. For high-speed operations approaching 500 mm/s, adding an external shock absorber is advised to prevent premature wear.
| Model | AirTAC SDA40X130SB Compact Cylinder | 40mm Bore |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø40 mm |
| Stroke | 130 mm |
| Acting type | Double acting |
| Port size | PT1/8 |
| Rod end thread | M8×1.25 female / M14×1.5 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 | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 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. |
|---|---|
| 40 | Bore size in mm. |
| ×130 | 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).
Drives a routing arm on a logistics conveyor belt to push parcels weighing up to 32 kg onto secondary chutes with reliable 628.3 N push force.
Opens and closes the sliding safety guard on a CNC turning center, utilizing the 130 mm stroke and male M14x1.5 rod end for secure mechanical coupling.
Functions as a pneumatic stop gate in a palletizing cell to halt incoming cardboard cartons, relying on the fixed NBR bumper to absorb the repeated end-stop impact.
When sizing this actuator, consider stepping down to the SDA32 bore if your application requires less force, as it provides 402.1 N of push at 0.5 MPa. Conversely, if your load demands more power, the SDA50 bore offers 981.7 N of push at 0.5 MPa. For the SDA40X130SB, the computed safe working load is approximately 377 N (about 60% of the 628.3 N figure at 0.5 MPa), translating to a vertical lift capacity of roughly 32 kg with a 2:1 safety margin. Keep in mind that a standard compact cylinder does not hold its position if air pressure is lost or the valve is centered; the piston will drift, and the fixed bumper only decelerates near the stroke end. If your application requires strict load holding without live pressure, you must incorporate an external rod lock or a pilot-operated check valve. To order, confirm the 40 mm bore, 130 mm non-standard stroke, PT1/8 port, built-in magnet (S), and male M14x1.5 rod thread (B).
Quick checklist
At 0.5 MPa, this 40 mm bore double-acting cylinder provides 628.3 N of push force and 527.8 N of pull force. At 0.7 MPa, the push increases to 879.6 N. The theoretical maximum push force is 128 kgf at the 1.0 MPa operating pressure limit. The operating pressure range is 0.15-1.0 MPa, with a proof pressure of 1.5 MPa.
No, the SDA40X130SB uses a fixed NBR bumper at each end to decelerate the piston near the stroke end, which is not a field-adjustable air cushion. If your application runs at high speeds or involves high kinetic energy, you should slow the approach speed or install an external shock absorber to prevent damage.
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