The AirTAC AirTAC SDA50X15H Compact Cylinder | 50mm Bore is a genuine double-acting COMPACT (thin) air cylinder with a Ø50mm bore and 15mm 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 SDA50X15H is a double-acting, single-rod compact cylinder engineered with a 50 mm bore and a 15 mm stroke. Because the barrel, rear cover, piston, and rod are joined into a short riveted assembly, it saves substantial axial mounting depth compared to round-body alternatives. It generates 981.7 N of push force at 0.5 MPa, making it highly effective for high-force clamping in tight spaces.
This specific SKU includes an H-designated fluororubber (FKM) seal for enhanced oil resistance and thermal stability within the standard -20 to +70 C operating range. The bore is hard-anodized, and the piston relies on a two-way seal. Instead of an adjustable air cushion, the cylinder uses a fixed NBR bumper at each end to decelerate the stroke. Note that this configuration lacks a piston magnet, so it cannot support magnetic sensing without the -S option.
| Model | AirTAC SDA50X15H Compact Cylinder | 50mm Bore |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø50 mm |
| Stroke | 15 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. |
| ×15 | 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).
Provides a short 15 mm ejection stroke inside tight mold platens, utilizing the 981.7 N push force to knock out dense plastic parts without requiring extensive axial depth.
Secures heavy sheet metal back-gauges or lower tooling segments quickly, where the FKM seals withstand elevated ambient heat and lubrication overspray near the brake.
Deploys a brief 15 mm motion to clamp bulky corrugated cartons on high-speed packaging lines, absorbing end-stop impact via the fixed NBR bumper.
When sizing this actuator, evaluate your force requirements carefully. Stepping down to the SDA40 reduces the 0.5 MPa push force to 628.3 N, whereas stepping up to the SDA63 increases it to 1558.6 N. For the SDA50X15H, the safe working load is approximately 589 N (about 60% of the 981.7 N figure), which translates to a vertical lift capacity of roughly 50 kg with a 2:1 safety margin. To finalize your order, confirm the 50 mm bore, 15 mm stroke, PT1/4 port, female M10x1.5 rod thread, and the FKM seal option.
Keep in mind that a standard double-acting cylinder does not hold its position if air pressure is lost or the valve is centered. The piston will drift, and the fixed NBR bumper only decelerates the load near the stroke end rather than locking it. If your application requires strict position holding, you must integrate an external rod lock or a pilot-operated check valve.
Quick checklist
This 50 mm bore double-acting cylinder provides 981.7 N push and 824.7 N pull at 0.5 MPa, 1374.4 N push and 1154.5 N pull at 0.7 MPa, and a theoretical maximum of 200 kgf at 1.0 MPa. The operating pressure range is 0.15-1.0 MPa, the proof pressure is 1.5 MPa, and the speed range is 30-500 mm/s.
No, this specific SKU does not include a piston magnet, so it cannot support AirTAC reed or electronic switches. You would need the -S option to enable sensing. Additionally, it relies on a fixed NBR bumper for end-stop deceleration rather than an adjustable air cushion.
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