Airtac SC50 Standard Cylinder SC50X250N
The AirTAC Airtac SC50 Standard Cylinder SC50X250N is a genuine double-acting standard air cylinder with a Ø50mm bore and 250mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke250 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SC50 Standard Cylinder SC50X250N
The SC50X250N is a 50 mm bore, 250 mm stroke double-acting tie-rod cylinder from the AirTAC SC series, fitted with NBR (nitrile) seals. It produces a push force of 982 N at 0.5 MPa and 1767 N at the maximum operating pressure of 0.9 MPa, making it a capable mid-range actuator for general industrial automation.
This model uses a 20 mm diameter piston rod with an M16x1.5 male thread and PT1/4 ports. The adjustable air cushion at each end provides a 21 mm deceleration zone, and the total extended body length is approximately 400 mm (150 mm body length A + 250 mm stroke). The NBR seal material offers good wear resistance for standard-temperature pneumatic applications.
Airtac SC50 Standard Cylinder SC50X250N Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X250N |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 250 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 SC50X250N
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×250 | 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 SC50X250N Is Used
Part Transfer & Sorting
The 982 N push force at 0.5 MPa and 250 mm stroke reliably shifts bins or packages between conveyor lanes in distribution centres.
Clamping & Fixturing
Provides consistent clamping force for CNC workholding or assembly jigs, with the NBR seals offering good durability in oily workshop air.
Gate & Diverter Actuation
Operates chute gates or flow diverters on seed and grain handling equipment, where the 250 mm stroke gives enough travel for full-open/full-close action.
Is the Airtac SC50 Standard Cylinder SC50X250N the Right Cylinder?
Choose the SC50X250N when your application needs around 980 N of push force at standard shop air. If you need more force, stepping up to the 63 mm bore (SC63) provides 1559 N at the same 0.5 MPa; if space is tight and you can accept less force, the 40 mm bore (SC40) delivers 628 N. The 250 mm stroke is well within the 1200 mm maximum standard stroke for this bore.
For a drop-in replacement, match five points: 50 mm bore, 250 mm stroke, PT1/4 port thread, the basic (no bracket) mounting, and the NBR seal material. This cylinder does not have a built-in magnet, so if you need position sensing, select the -S variant or use external limit switches.
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 SC50X250N FAQ
At 0.5 MPa, the push force is 982 N and the pull force is 825 N. At 0.7 MPa, push rises to 1374 N, and at the maximum operating pressure of 0.9 MPa, push reaches 1767 N. The theoretical maximum at 1.0 MPa is 200 kgf.
No. The SC series is a tie-rod cylinder, not an ISO 15552 profile cylinder. Its body length A (150 mm for the 50 bore) is shorter than an equivalent ISO 15552 cylinder, so the mounting dimensions and overall envelope are different. Only replace another AirTAC SC or a tie-rod cylinder with matching bore, stroke, port thread, and mounting.
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