Airtac SC80 Standard Cylinder SC80X70STC
The AirTAC Airtac SC80 Standard Cylinder SC80X70STC is a genuine double-acting standard air cylinder with a Ø80mm bore and 70mm stroke, PT3/8 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ80 mm
- Stroke70 mm
- Port sizePT3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 28 mm
About the Airtac SC80 Standard Cylinder SC80X70STC
The SC80X70STC is an 80 mm bore double-acting pneumatic cylinder delivering 2513 N of push force at 0.5 MPa. With a compact 70 mm stroke and a 25 mm diameter piston rod, it provides a total extended body length of approximately 252 mm, making it suitable for installations where space is limited but robust force is required.
This model comes configured with a built-in magnet (-S) for direct mounting of CMSG/DMSG/EMSG sensors, and a centre trunnion (TC) mount including the TCM1 bracket (F-SC80TC). The trunnion allows the cylinder to pivot during operation, ideal for swinging or articulating loads. Standard PT ports and TPU seals complete the assembly.
Airtac SC80 Standard Cylinder SC80X70STC Technical Specifications
| Model | Airtac SC80 Standard Cylinder SC80X70STC |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 70 mm |
| Acting type | Double acting |
| Port size | PT3/8 |
| Rod thread | M20×1.5 |
| 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, 28 mm |
| Max stroke | Up to 1500 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 (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (approx.) | 513 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SC80 Standard Cylinder SC80X70STC
| SC | Standard tie-rod cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×70 | 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 SC80 Standard Cylinder SC80X70STC Is Used
Part Diverter
The 70 mm stroke and centre trunnion mount allow this cylinder to pivot a diverter gate on a conveyor line, sorting packages with a firm 2513 N push.
Clamp & Weld Fixture
Delivers a controlled 2513 N clamping force for holding parts in a welding jig, with sensor confirmation of clamp position via the built-in magnet.
Bin Tipper Actuator
Mounted on trunnions, this cylinder pivots a small bin or hopper to empty contents, handling the dynamic load with its 25 mm rod and adjustable cushioning.
Is the Airtac SC80 Standard Cylinder SC80X70STC the Right Cylinder?
For applications needing slightly less force, consider stepping down to the 63 mm bore (1559 N at 0.5 MPa). If your load requires more thrust, the 100 mm bore offers 3927 N at the same pressure. Always match replacement cylinders on five key points: bore, stroke, port thread (PT), mounting accessory (TC), and magnet option (-S).
Although this is a shorter stroke, the 25 mm rod is robust. For any stroke, ensure the load is guided to prevent side loading on the rod bearing, which can cause premature seal wear and rod bending.
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 SC80 Standard Cylinder SC80X70STC FAQ
At 0.5 MPa, the push force is 2513 N and the pull force is 2268 N. At the maximum operating pressure of 0.9 MPa, the push force reaches 4523 N. The theoretical maximum at 1.0 MPa is 513 kgf.
This is a direct replacement for any AirTAC SC80 tie-rod cylinder with a 70 mm stroke, PT ports, centre trunnion (TC) mount, and a magnetic piston. It is not dimensionally interchangeable with ISO 15552 profile cylinders.
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