Airtac SC80 Standard Cylinder SC80X850STC
The AirTAC Airtac SC80 Standard Cylinder SC80X850STC 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 SC80X850STC
The SC80X850STC is an 80 mm bore, 850 mm stroke double-acting pneumatic cylinder from the AirTAC SC tie-rod series. It delivers 2513 N of push force and 2268 N of pull force at 0.5 MPa, making it a robust mid-range actuator for industrial linear motion. This model includes a built-in magnet (suffix -S) for direct mounting of CMSG/DMSG/EMSG reed or solid-state sensors, and a centre trunnion mount (suffix -TC) for pivoting applications.
With a 25 mm diameter piston rod and PT3/8 ports, the cylinder body length A is 182 mm, giving a total extended length of approximately 1032 mm. The adjustable air cushion (28 mm length) decelerates the piston at stroke ends to reduce impact. Operating on filtered air from 0.15 to 1.0 MPa, this TPU-sealed cylinder works reliably in temperatures from -20 to +70 °C.
Airtac SC80 Standard Cylinder SC80X850STC Technical Specifications
| Model | Airtac SC80 Standard Cylinder SC80X850STC |
|---|---|
| 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 SC80X850STC
| 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 SC80X850STC Is Used
Conveyor Diverter Gates
The 850 mm stroke and 2513 N push force at 0.5 MPa make this cylinder ideal for actuating diverter gates on wide conveyor lines, reliably sorting packages or materials between lanes.
Pivoting Clamp Fixtures
With the centre trunnion mount and magnetic piston, this cylinder suits pivoting weld fixtures or assembly clamps where stroke-end confirmation via sensors is required for cycle safety.
Large Format Press Ejection
The 80 mm bore provides 4523 N of thrust at 0.9 MPa, sufficient for ejecting finished parts from large thermoforming or laminating presses across an 850 mm bed depth.
Is the Airtac SC80 Standard Cylinder SC80X850STC the Right Cylinder?
For applications requiring less force, consider stepping down to a 63 mm bore (1559 N push at 0.5 MPa). If higher force is needed, the 100 mm bore provides 3927 N push at the same pressure. The 850 mm stroke is well within the 1500 mm maximum standard stroke for the 80 mm bore.
When replacing an existing cylinder, match five key points: 80 mm bore, 850 mm stroke, PT3/8 port thread, centre trunnion mounting (F-SC80TC bracket), and the built-in magnet for sensor compatibility. For this long 850 mm stroke, be mindful of side loads on the 25 mm rod. If the load is not guided externally, rod bending can cause premature bearing wear; use an external guide rail or a guided cylinder to protect the rod and seals.
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 SC80X850STC FAQ
At 0.5 MPa, the cylinder delivers 2513 N push and 2268 N pull. 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. The -S suffix in the model code SC80X850STC indicates a built-in magnet in the piston. This allows you to clamp AirTAC CMSG, DMSG, or EMSG reed and solid-state sensors directly onto the cylinder barrel for non-contact position sensing.
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