Airtac SC80 Standard Cylinder SC80X650STC
The AirTAC Airtac SC80 Standard Cylinder SC80X650STC is a genuine double-acting standard air cylinder with a Ø80mm bore and 650mm stroke, PT3/8 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ80 mm
- Stroke650 mm
- Port sizePT3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 28 mm
About the Airtac SC80 Standard Cylinder SC80X650STC
The SC80X650STC is an 80 mm bore, 650 mm stroke double-acting pneumatic cylinder delivering 2513 N of push force at 0.5 MPa (up to 4523 N at 0.9 MPa). Its 25 mm diameter piston rod and 28 mm adjustable air cushion provide smooth deceleration for mid-to-heavy linear moves.
This model includes a built-in magnet (-S) for direct mounting of CMSG/DMSG/EMSG sensors and a centre trunnion (TC) with the TCM1 bracket (F-SC80TC), allowing the cylinder to pivot during operation. The standard PT ports and TPU seals suit filtered-air systems from -20 to +70 °C.
Airtac SC80 Standard Cylinder SC80X650STC Technical Specifications
| Model | Airtac SC80 Standard Cylinder SC80X650STC |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 650 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 SC80X650STC
| SC | Standard tie-rod cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×650 | 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 SC80X650STC Is Used
Conveyor Diverter Gates
The 650 mm stroke and centre trunnion mount allow the cylinder to pivot as it extends, reliably swinging diverter arms on packaging and sorting conveyors.
Clamping & Fixturing
With 4523 N of clamping force at 0.9 MPa and sensor feedback from the built-in magnet, this cylinder provides precise, monitored part holding during machining or welding.
Agricultural Equipment Actuation
The robust tie-rod design and pivoting trunnion mount suit the dusty, variable conditions of farm machinery, handling chute controls or bale handling mechanisms.
Is the Airtac SC80 Standard Cylinder SC80X650STC the Right Cylinder?
Choose the SC80 bore when the SC63's 1559 N push at 0.5 MPa is marginal—this 80 mm bore provides a 61% force increase. For higher thrust still, the SC100 delivers 3927 N at the same pressure. The 650 mm stroke is within the 1500 mm maximum standard stroke for this bore.
For strokes over 300 mm, ensure the rod is not subjected to side loads; an external linear guide or guided cylinder should be used to prevent rod bending and premature bearing wear. To replace an existing cylinder, match the 80 mm bore, 650 mm stroke, PT port thread, TC centre trunnion mount, and the -S magnet option for sensor compatibility.
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 SC80X650STC FAQ
At the standard 0.5 MPa operating pressure, 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 increases to 4523 N.
Direct replacement requires matching the 80 mm bore, 650 mm stroke, PT ports, built-in magnet, and specifically the TC centre trunnion mount. The trunnion position is critical for pivoting applications; verify the existing bracket matches the F-SC80TC/TCM1 assembly.
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