The AirTAC SC50 Standard Cylinder SC50X800FB is a genuine double-acting standard air cylinder with a Ø50mm bore and 800mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
The AirTAC SC50X800FB is a double-acting tie-rod cylinder delivering 982 N of push force at 0.5 MPa (1374 N at 0.7 MPa). With an 800 mm stroke and a 20 mm diameter piston rod, it is well-suited for medium-length linear transfer and clamping applications where rear flange mounting is preferred.
This model is equipped with an FB rear rectangular flange (F-SC50FB) for secure end-cap mounting. The adjustable pneumatic cushion (21 mm length) decelerates the piston smoothly at both ends, reducing impact noise and vibration. Operating pressure ranges from 0.15 to 1.0 MPa with standard PT1/4 ports and TPU seals rated for -20 to +70 °C.
| Model | Airtac SC50 Standard Cylinder SC50X800FB |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 800 mm |
| Acting type | Double acting |
| Port size | PT1/4 |
| Rod thread | M16×1.5 |
| 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 – 800 mm/s |
| Cushion | Adjustable, 21 mm |
| Max stroke | Up to 1200 mm |
Specifications follow the official AirTAC SC series datasheet. Operating pressure 0.15–1.0 MPa, proof pressure 1.5 MPa, temperature −20 to +70 °C. Confirm against the product label before installation. Thread options: PT (standard) / G.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (approx.) | 200 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×800 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related variants: SCD (double rod), SCJ (adjustable stroke), SCT (multi-position). Seals: TPU standard / H = Viton / N = NBR. Thread: blank = PT, G = G thread.
The 800 mm stroke and 982 N push force at 0.5 MPa make this cylinder ideal for raising and lowering stop gates on conveyor lines, reliably halting medium-weight packages.
Rear flange mounting (FB) provides rigid end-cap support for pushing flat panels or sheets into a forming press, utilizing the full 1374 N force at 0.7 MPa.
The extended 800 mm stroke allows for deep part ejection from molds or assembly nests, where the cylinder body can be mounted behind a bulkhead via the rear flange.
For applications requiring higher force, consider stepping up to the SC63 bore which provides 1559 N at 0.5 MPa. For lighter, faster cycling, the SC40 bore offers 628 N. At 800 mm stroke, the rod is extended significantly; ensure the load is guided externally to prevent side-load bending on the 20 mm rod, as tie-rod cylinders are not designed to support lateral forces.
To ensure a correct replacement, match five key points: 50 mm bore, 800 mm stroke, PT1/4 port thread, FB rear flange mounting, and the absence of a built-in magnet. This SC50X800FB is a direct fit for another AirTAC SC tie-rod cylinder with identical specifications.
Quick checklist
At the standard operating pressure of 0.5 MPa, this cylinder provides 982 N pushing force and 825 N pulling force. At the maximum operating pressure of 0.9 MPa, the pushing force reaches 1767 N.
Yes, it is strongly recommended. At full extension, the 20 mm diameter rod is susceptible to bending under side loads. An external guide rail or rod-alignment coupler should be used to absorb lateral forces and protect the rod bearing and piston seals.
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