Airtac SC50 Standard Cylinder SC50X180STC
The AirTAC Airtac SC50 Standard Cylinder SC50X180STC is a genuine double-acting standard air cylinder with a Ø50mm bore and 180mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke180 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SC50 Standard Cylinder SC50X180STC
The AirTAC SC50X180STC is a double-acting tie-rod cylinder delivering 982 N push force at 0.5 MPa and 1767 N at the maximum operating pressure of 0.9 MPa. Its 50 mm bore, 20 mm diameter piston rod, and 180 mm stroke make it a balanced actuator for medium-force linear tasks where a compact footprint is required.
This specific model is factory-equipped with a built-in magnet (-S) for direct mounting of CMSG/DMSG/EMSG sensors, and a centre trunnion mount (TC, supplied with TCM1 bracket F-SC50TC) that allows the cylinder to pivot during operation. The adjustable air cushion (21 mm) decelerates the piston smoothly at both ends, protecting end caps from impact.
Airtac SC50 Standard Cylinder SC50X180STC Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X180STC |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 180 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 SC50X180STC
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×180 | 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 SC50X180STC Is Used
Part Diverter Gate
The centre trunnion mount lets the cylinder pivot as it extends, making it ideal for actuating a diverter flap on a conveyor line. Magnetic piston sensors confirm open/closed gate position.
Clamping & Fixturing
With 1767 N of clamping force at 0.9 MPa, this SC50X180STC securely holds workpieces during machining or welding. The adjustable cushion prevents hammering at the end of the clamp stroke.
Press & Forming Assist
Delivers a controlled 180 mm linear stroke for light pressing, forming, or assembly operations. The trunnion mount absorbs misalignment, reducing rod bearing wear.
Is the Airtac SC50 Standard Cylinder SC50X180STC the Right Cylinder?
For applications needing slightly less force, the 40 mm bore SC40 series provides 879 N push at 0.7 MPa. If the 1767 N maximum push is marginal, stepping up to the 63 mm bore offers 2182 N at the same pressure. The 180 mm stroke is well within the 1200 mm maximum standard stroke for bore 50.
To ensure a correct replacement, match five key points: 50 mm bore, 180 mm stroke, PT port thread, centre trunnion (TC) mounting accessory, and the built-in magnet (-S) for sensor compatibility. This tie-rod cylinder is shorter than an ISO 15552 profile and is not dimensionally interchangeable with that standard.
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 SC50X180STC FAQ
At 0.5 MPa, the push force is 982 N and pull force is 825 N. At 0.7 MPa, push force rises to 1374 N. The maximum operating push force at 0.9 MPa is 1767 N. Theoretical force at 1.0 MPa is 200 kgf.
No. The AirTAC SC series is a tie-rod cylinder with a shorter overall body length than an ISO 15552 cylinder. Direct replacement requires another SC50 tie-rod cylinder matching the 180 mm stroke, PT ports, TC trunnion mount, and built-in magnet.
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