Airtac SC50 Standard Cylinder SC50X105STC
The AirTAC Airtac SC50 Standard Cylinder SC50X105STC is a genuine double-acting standard air cylinder with a Ø50mm bore and 105mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke105 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SC50 Standard Cylinder SC50X105STC
The SC50X105STC is a double-acting pneumatic cylinder delivering 982 N of push force at 0.5 MPa (1374 N at 0.7 MPa). Its 105 mm stroke suits medium-reach clamping, pressing, and sorting tasks where a compact tie-rod body is preferred.
This model includes a built-in magnet (-S suffix) for direct mounting of CMSG/DMSG/EMSG sensors, plus a TC centre trunnion mount with the TCM1 bracket (F-SC50TC) for pivoting applications. The 20 mm rod and PT1/4 ports handle typical industrial flow rates, while the adjustable air cushion decelerates the 105 mm stroke smoothly.
Airtac SC50 Standard Cylinder SC50X105STC Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X105STC |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 105 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 SC50X105STC
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×105 | 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 SC50X105STC Is Used
Conveyor Diverting
The 105 mm stroke and centre trunnion mount allow the cylinder to pivot and push packages off a moving conveyor line with 982 N of force at 0.5 MPa.
Welding Fixture Clamping
With a built-in magnet for end-of-stroke sensing, this cylinder confirms clamp position in automated welding cells, applying consistent force to hold parts.
Pivoting Linkage Actuation
The TC trunnion mount lets the cylinder swing freely in a linkage mechanism, ideal for press arms or lift-assist devices requiring a 105 mm linear stroke.
Is the Airtac SC50 Standard Cylinder SC50X105STC the Right Cylinder?
Choose the SC50 bore when your application needs around 982 N at 0.5 MPa. For lower force, step down to the SC40 (628 N at 0.5 MPa); for higher force, the SC63 delivers 1559 N at 0.5 MPa. The 105 mm stroke is within the 1200 mm standard maximum for this bore.
To ensure a drop-in replacement, match five points: 50 mm bore, 105 mm stroke, PT1/4 port thread, TC centre trunnion mount (F-SC50TC), and the built-in magnet for sensor compatibility. Always confirm the trunnion pivot position matches your existing setup.
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 SC50X105STC FAQ
At 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 theoretical maximum at 1.0 MPa is 200 kgf (1961 N).
It is a direct replacement for any AirTAC SC50X105 cylinder with a magnet and TC centre trunnion mount. Verify your port thread is PT1/4, the trunnion bracket matches F-SC50TC, and the stroke is 105 mm. This is a tie-rod cylinder, not an ISO 15552 profile, so it will not interchange with ISO 15552 cylinders.
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