Airtac SC50 Standard Cylinder SC50X250SLB
The AirTAC Airtac SC50 Standard Cylinder SC50X250SLB 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 SC50X250SLB
The SC50X250SLB is a double-acting pneumatic cylinder delivering 982 N of push force at 0.5 MPa (1374 N at 0.7 MPa), built for mid-range linear tasks. Its 20 mm diameter piston rod and 21 mm air cushion at each end provide smooth deceleration across the 250 mm stroke.
This model includes a built-in magnet (-S suffix) for direct mounting of CMSG/DMSG/EMSG sensors, enabling precise end-of-stroke detection. The LB foot mount (F-SC50LB) provides stable axial surface mounting, making it a genuine AirTAC solution ready for industrial automation.
Airtac SC50 Standard Cylinder SC50X250SLB Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X250SLB |
|---|---|
| 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 SC50X250SLB
| 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 SC50X250SLB Is Used
Material Stops & Gates
The 982 N push force at 0.5 MPa is ideal for actuating stops and diverters on light to medium-duty conveyor lines, with sensor feedback confirming gate position.
Clamping & Pressing
Apply consistent clamping force in assembly jigs. The LB foot mount secures the cylinder rigidly to a machine bed, while the magnetic piston signals clamp closure.
Packaging Pushers
Use the 250 mm stroke to push cartons onto a packing table. The adjustable air cushion protects the cylinder from impact damage during high-speed cycling.
Is the Airtac SC50 Standard Cylinder SC50X250SLB the Right Cylinder?
Choose the SC50 when 982 N at 0.5 MPa meets your load requirement. If you need more force, step up to the SC63 bore offering 1559 N at the same pressure; for a lighter, more compact solution, the SC40 provides 628 N. This 250 mm stroke is within the standard range, but ensure the rod is not subjected to side loads—external guides are recommended for any stroke over 300 mm.
For a direct replacement, match five points: 50 mm bore, 250 mm stroke, PT port thread, LB foot mounting, and the integrated magnet (-S). The SC is a tie-rod cylinder and is not dimensionally interchangeable with ISO 15552 profiles.
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 SC50X250SLB FAQ
At the standard operating pressure of 0.5 MPa, the push force is 982 N and the pull force is 825 N. At 0.7 MPa, push force increases to 1374 N. The maximum theoretical force at 1.0 MPa is 200 kgf.
No. The AirTAC SC series is a tie-rod cylinder with a shorter body length than an ISO 15552 cylinder. It is not dimensionally interchangeable. It must replace another AirTAC SC tie-rod cylinder matching the 50 mm bore, 250 mm stroke, PT ports, LB mount, and magnet option.
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