The AirTAC AirTAC SDA40X130B 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 SDA40X130B is a double-acting, single-rod compact cylinder engineered to deliver a push force of 628.3 N and a pull force of 527.8 N at 0.5 MPa. Built with a hard-anodized bore and a two-way piston seal, it provides robust linear motion in a fraction of the axial depth required by conventional round-body units. This specific SKU features a male M14x1.5 piston rod thread for secure mechanical load coupling.
Because the 130 mm stroke exceeds the standard 120 mm limit for this 40 mm bore, it is manufactured as a non-standard, made-to-order unit. The body incorporates a fixed NBR bumper at each end to decelerate the piston near the stroke limits; this is not an adjustable air cushion, so high-energy cycles may require an external shock absorber. Note that this configuration omits the piston magnet, meaning it cannot host AirTAC reed or electronic switches.
| Model | AirTAC SDA40X130B 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).
Extends a 130 mm deflecting blade on a logistics sorting line to push parcels weighing up to 32 kg onto secondary chutes without consuming excessive frame width.
Drives a mechanical folder arm on a corrugated box sealing machine, utilizing the 628.3 N extend force to tuck heavy glued flaps securely before taping.
Ejects molded plastic parts from an injection press tooling bed, relying on the male M14x1.5 rod end to thread securely into a custom ejector plate.
When sizing your actuator, stepping down to the SDA32 yields 402.1 N of push force at 0.5 MPa, while stepping up to the SDA50 provides 981.7 N. This SDA40X130B generates a safe working load of approximately 377 N (about 60% of its 628.3 N capacity), translating to a vertical lift capability of roughly 32 kg with a 2:1 safety margin. Ensure your ordering essentials match this SKU exactly: 40 mm bore, 130 mm non-standard stroke, PT1/8 port, male M14x1.5 rod thread, and no sensor magnet.
Keep in mind that a standard double-acting cylinder does not hold its position if air pressure is lost or the directional valve is centered. The piston will drift, and the fixed NBR bumper only decelerates it near the end of travel—it acts purely as an end stop, never 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.
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, push increases to 879.6 N. The theoretical maximum push is 128 kgf at 1.0 MPa. Operating pressure ranges from 0.15 to 1.0 MPa, with a speed range of 30-500 mm/s.
No, this specific SKU lacks the built-in piston magnet, so it cannot host AirTAC reed or electronic switches. You would need the SDA40X130BS variant for sensing capabilities. Additionally, this unit uses a fixed NBR bumper rather than an adjustable air cushion.
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