Airtac SC50 Standard Cylinder SC50X405
The AirTAC SC50 Standard Cylinder SC50X405 is a genuine double-acting standard air cylinder with a Ø50mm bore and 405mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke405 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 SC50X405
The AirTAC SC50X405 is a double-acting tie-rod cylinder delivering a push force of 982 N at 0.5 MPa and up to 1767 N at the maximum operating pressure of 0.9 MPa. With a 50 mm bore and a 405 mm stroke, this model is well-suited for medium-force material transfer and clamping operations that require a longer reach.
This cylinder features a 20 mm diameter piston rod with an M16x1.5 thread and a 21 mm adjustable air cushion at each end to decelerate the load smoothly. The body length A is 150 mm, and the standard PT1/4 port thread ensures straightforward pneumatic connections.
Airtac SC50 Standard Cylinder SC50X405 Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X405 |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 405 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 SC50X405
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×405 | 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 SC50X405 Is Used
Material Transfer
Pushes or diverts boxes and components on a conveyor line where a 405 mm stroke is needed to clear the main belt path.
Long-Reach Clamping
Applies a holding force of up to 1767 N at 0.9 MPa for fixturing tall or deep parts in a welding or assembly jig.
Dispensing Actuation
Drives a dispensing head or nozzle across a 405 mm range in a fluid-filling station, leveraging the adjustable cushion for smooth stops.
Is the Airtac SC50 Standard Cylinder SC50X405 the Right Cylinder?
For applications needing more force, stepping up to the 63 mm bore SC63 series provides 1559 N of push force at the same 0.5 MPa pressure. Conversely, the 40 mm bore SC40 series offers 628 N if a smaller, lighter actuator is sufficient. When replacing this cylinder, match five key points: the 50 mm bore, 405 mm stroke, PT port thread, basic mounting, and the absence of a magnet.
At a 405 mm stroke, the extended rod is more susceptible to bending under side loads. It is critical to ensure the load is guided externally, or consider a guided cylinder variant, to prevent premature rod bearing and seal wear.
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 SC50X405 FAQ
At the standard operating pressure of 0.5 MPa, the push force is 982 N and the pull force is 825 N. At the maximum operating pressure of 0.9 MPa, the push force reaches 1767 N.
No. The SC50X405 is a double-acting cylinder and will drift or drop if pressure is exhausted. To hold a position or load 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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