Airtac SC80 Standard Cylinder SC80X850SCB
The AirTAC Airtac SC80 Standard Cylinder SC80X850SCB is a genuine double-acting standard air cylinder with a Ø80mm bore and 850mm stroke, PT3/8 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ80 mm
- Stroke850 mm
- Port sizePT3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 28 mm
About the Airtac SC80 Standard Cylinder SC80X850SCB
The SC80X850SCB is a double-acting pneumatic cylinder delivering 2513 N of push force at 0.5 MPa and up to 4523 N at the 0.9 MPa maximum operating pressure. Its 25 mm diameter piston rod and 28 mm adjustable air cushion make it well-suited for moving medium-to-heavy payloads through an 850 mm linear stroke.
This configuration includes a built-in magnet for CMSG/DMSG/EMSG position sensors and a rear double clevis mount (F-SC80CB) for pivoting applications. The tie-rod construction keeps the body length compact at 182 mm plus stroke, giving a total extended length of 1032 mm.
Airtac SC80 Standard Cylinder SC80X850SCB Technical Specifications
| Model | Airtac SC80 Standard Cylinder SC80X850SCB |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 850 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 SC80X850SCB
| SC | Standard tie-rod cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×850 | 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 SC80X850SCB Is Used
Grain Gate Actuation
The 2513 N push force at 0.5 MPa and rear clevis mount allow this cylinder to pivot and operate slide gates on silos or hoppers, with the 850 mm stroke providing full gate travel.
Conveyor Diverter Arm
With an 850 mm stroke and double clevis mounting, this cylinder can swing a diverter arm on a sorting conveyor, using the magnetic piston for end-of-travel sensing.
Welding Fixture Clamp
The 4523 N force at 0.9 MPa clamps large weldments securely. The CB mount lets the cylinder pivot as the clamp arm engages, while the 28 mm cushion absorbs impact at full extension.
Is the Airtac SC80 Standard Cylinder SC80X850SCB the Right Cylinder?
For lighter loads, stepping down to a 63 mm bore reduces push force to 1559 N at 0.5 MPa, while moving up to a 100 mm bore provides 3927 N. The 850 mm stroke is within the 1500 mm maximum standard stroke for the 80 mm bore, so this is a standard catalog length.
At 850 mm, the extended rod is long enough that side loads must be managed carefully. If the load is not guided externally, consider adding a guide rod assembly or switching to a guided cylinder to protect the rod bearing from bending moments. For direct replacement, match bore, stroke, PT port thread, the CB rear clevis mount, and the -S magnet option.
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 SC80X850SCB FAQ
At 0.5 MPa, push force is 2513 N and pull force is 2268 N. At 0.7 MPa, push is 3518 N. At the maximum operating pressure of 0.9 MPa, push force reaches 4523 N. The theoretical maximum at 1.0 MPa is 513 kgf.
Yes, if your existing cylinder matches the 80 mm bore, 850 mm stroke, PT port thread, rear double clevis (CB) mount, and has a magnetic piston for sensors. The SC is a tie-rod cylinder and is not dimensionally interchangeable with ISO 15552 profile cylinders.
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