The AirTAC AirTAC SDA50X75H Compact Cylinder | 50mm Bore is a genuine double-acting COMPACT (thin) air cylinder with a Ø50mm bore and 75mm 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 SDA50X75H is a double-acting single-rod compact cylinder engineered with a 50 mm bore and 75 mm stroke. It delivers a robust 981.7 N push force at 0.5 MPa, making it highly effective for mid-weight industrial positioning. This specific H-variant utilizes fluororubber (FKM) seals, providing superior resistance to elevated temperatures and oily environments compared to standard NBR. Its short riveted body assembly significantly reduces axial mounting depth, a crucial advantage when integrating actuators into space-constrained machinery footprints.
This model features a 20 mm piston rod and PT1/4 air ports. Instead of an adjustable air cushion, it relies on a fixed NBR bumper at each end to decelerate the stroke. Because this SKU lacks the -S magnet option, it cannot directly host AirTAC reed or electronic switches. Operating efficiently between 30-500 mm/s, the unit handles a safe working load of approximately 589 N, which translates to a vertical lift capacity of about 50 kg when applying a 2:1 safety margin.
| Model | AirTAC SDA50X75H Compact Cylinder | 50mm Bore |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø50 mm |
| Stroke | 75 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. |
| ×75 | 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).
Handles the lateral diversion of plastic bottles on a high-speed packaging line, where the 981.7 N force easily pushes multi-packs and the FKM seals withstand occasional lubricant mist exposure.
Actuates a heavy routing gate on a warehouse conveyor system, utilizing the 75 mm stroke to pivot the arm and the compact riveted body to fit within the tight 80 mm frame clearance.
Secures aluminum castings inside a machining center; the fixed NBR bumper absorbs the end-stop impact, while the 50 kg vertical lift capacity ensures rigid workholding during light milling.
When sizing this actuator, evaluate your force requirements carefully. If you need less thrust, the SDA40 offers 628.3 N of push at 0.5 MPa; conversely, stepping up to the SDA63 provides 1558.6 N at the same pressure. For this 50 mm bore, ensure your specifications match the 75 mm stroke, PT1/4 porting, and female M10x1.5 rod-end thread. Keep in mind that a plain compact cylinder does not hold its position if air pressure drops or the valve is centered—the piston will drift. If your application demands secure load holding without live pressure, you must integrate an external rod lock or a pilot-operated check valve.
Quick checklist
This 50 mm bore double-acting cylinder provides a push force of 981.7 N and a pull force of 824.7 N at 0.5 MPa. At 0.7 MPa, the push increases to 1374.4 N and pull to 1154.5 N. The theoretical maximum push force is 200 kgf at 1.0 MPa, with an operating pressure range of 0.15-1.0 MPa.
No, this specific SKU does not include the -S option, meaning it lacks a piston magnet and cannot trigger AirTAC reed or electronic switches. You would need the SDA50X75HS variant for sensor compatibility. Additionally, it uses a fixed NBR bumper for end-stop deceleration rather than an adjustable air cushion.
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