Airtac SC50 Standard Cylinder SC50X385
The AirTAC SC50 Standard Cylinder SC50X385 is a genuine double-acting standard air cylinder with a Ø50mm bore and 385mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke385 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SC50 Standard Cylinder SC50X385
The SC50X385 is a double-acting tie-rod cylinder with a 50 mm bore and 385 mm stroke, delivering a push force of 982 N at 0.5 MPa and up to 1767 N at the 0.9 MPa maximum operating pressure. Its 20 mm diameter piston rod and 21 mm adjustable air cushion provide reliable deceleration for mid-range linear motion tasks.
With a body length A of 150 mm, the total extended length reaches approximately 535 mm. This model is configured with the standard TPU seals for a -20 to +70 °C operating range and PT ports, making it a straightforward choice for general industrial automation where a genuine AirTAC actuator is specified.
Airtac SC50 Standard Cylinder SC50X385 Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X385 |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 385 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.
Theoretical Output Force (Ø50mm)
| 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.
Model Code: Airtac SC50 Standard Cylinder SC50X385
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×385 | 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.
Where the Airtac SC50 Standard Cylinder SC50X385 Is Used
Package Diverting
The 385 mm stroke and 982 N push force efficiently divert medium-weight packages on conveyor lines, providing a clean, repeatable motion for sorting and routing systems.
Clamping & Fixturing
Ideal for clamping workpieces in machining or assembly jigs, the SC50X385 applies consistent holding force with its 20 mm rod, ensuring parts stay secure during processing.
Bin Tipping
Provides the linear thrust needed to tilt bins or hoppers in material handling stations, using its adjustable cushion to manage the deceleration of the tipping mechanism smoothly.
Is the Airtac SC50 Standard Cylinder SC50X385 the Right Cylinder?
For applications requiring slightly less force, stepping down to the 40 mm bore SC40 series reduces push force to 628 N at 0.5 MPa. If the load demands a higher safety margin, the 63 mm bore SC63 series increases push force to 1559 N at the same pressure. This 385 mm stroke is within the 1200 mm maximum standard stroke for the 50 mm bore.
At this stroke length, ensure the rod is not subjected to significant side loads; an external guide rail or a guided cylinder configuration is recommended to prevent rod bending and premature bearing wear. When replacing, match the 50 mm bore, 385 mm stroke, PT port thread, and basic mounting style exactly to ensure dimensional compatibility with an existing AirTAC SC tie-rod cylinder.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SC50 Standard Cylinder SC50X385 FAQ
At the standard 0.5 MPa operating pressure, the cylinder delivers 982 N of push force and 825 N of pull force. At the maximum operating pressure of 0.9 MPa, the push force increases to 1767 N.
No, the SC50X385 is a double-acting cylinder and will not hold its position if air pressure is exhausted or the directional valve is centered. The piston will drift or drop under load. To hold a position without live pressure, you must add an external rod brake, a mechanical lock, or a pilot-operated check valve in the circuit.
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