Airtac SC50 Standard Cylinder SC50X15TC
The AirTAC Airtac SC50 Standard Cylinder SC50X15TC is a genuine double-acting standard air cylinder with a Ø50mm bore and 15mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke15 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SC50 Standard Cylinder SC50X15TC
The SC50X15TC is a double-acting pneumatic cylinder from the AirTAC SC tie-rod series, combining a 50 mm bore with a compact 15 mm stroke. At 0.5 MPa it generates 982 N of push force, making it suitable for short-throw clamping, ejecting, or positioning tasks where space is tight.
This model is factory-configured with a TC centre trunnion mount (supplied with the TCM1 bracket, part code F-SC50TC), allowing the cylinder body to pivot during operation. The 20 mm diameter piston rod and PT1/4 ports handle standard industrial air supply, while the adjustable air cushion (21 mm length) decelerates the piston smoothly at each end of the short stroke.
Airtac SC50 Standard Cylinder SC50X15TC Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X15TC |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 15 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 SC50X15TC
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×15 | 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 SC50X15TC Is Used
Short-Stroke Clamping
The 15 mm stroke and 982 N force at 0.5 MPa make this cylinder ideal for pneumatic clamping fixtures where the jaw travel is minimal but holding force must be high.
Part Ejection
Mounted on a pivoting trunnion, the SC50X15TC can deliver a sharp, short push to eject small components from a die or mould, resetting quickly for the next cycle.
Diverter Gate Actuation
The centre trunnion mount allows the cylinder to swing as it extends, making it suitable for actuating a small diverter gate or flipper on a conveyor line with a 15 mm linear stroke.
Is the Airtac SC50 Standard Cylinder SC50X15TC the Right Cylinder?
For a 50 mm bore, the SC50 delivers 982 N push at 0.5 MPa. If your load is lighter and you can accept a smaller footprint, stepping down to a 40 mm bore (628 N push) may reduce cost. For heavier loads, the 63 mm bore provides 1559 N push at the same pressure.
When replacing an existing cylinder, match five points: 50 mm bore, 15 mm stroke, PT1/4 port thread, TC centre trunnion mounting with the TCM1 bracket, and the absence of a magnet. The SC is a tie-rod design and is not dimensionally interchangeable with ISO 15552 profile cylinders.
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 SC50X15TC FAQ
At the standard operating pressure of 0.5 MPa, the push force is 982 N. At 0.7 MPa it rises to 1374 N, and at the maximum operating pressure of 0.9 MPa it reaches 1767 N. The theoretical maximum force at 1.0 MPa is 200 kgf.
No. The SC50X15TC is a double-acting cylinder and will not hold its position or load if air pressure is exhausted or the directional valve is centred. The adjustable air cushion only decelerates the piston at stroke end; it is not a locking or holding brake. For load holding without live pressure, an external rod lock or pilot-operated check valve is required.
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