Airtac SC80 Standard Cylinder SC80X85STC
The AirTAC Airtac SC80 Standard Cylinder SC80X85STC is a genuine double-acting standard air cylinder with a Ø80mm bore and 85mm stroke, PT3/8 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ80 mm
- Stroke85 mm
- Port sizePT3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 28 mm
About the Airtac SC80 Standard Cylinder SC80X85STC
The SC80X85STC is an 80 mm bore double-acting pneumatic cylinder delivering a substantial 2513 N push force at 0.5 MPa (up to 4523 N at 0.9 MPa). With an 85 mm stroke and a 25 mm diameter piston rod, this model is built for short, powerful linear moves in compact machine stations.
This configuration includes a built-in magnet (-S) for direct mounting of CMSG/DMSG/EMSG sensors, and a centre trunnion mount (TC) supplied with the TCM1 bracket (F-SC80TC) for pivoting applications. The tie-rod construction keeps the body length to just 182 mm, making it shorter than an equivalent ISO 15552 cylinder.
Airtac SC80 Standard Cylinder SC80X85STC Technical Specifications
| Model | Airtac SC80 Standard Cylinder SC80X85STC |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 85 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 SC80X85STC
| SC | Standard tie-rod cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×85 | 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 SC80X85STC Is Used
Part Diverter Gate
The centre trunnion mount allows the cylinder body to pivot as it extends, making it ideal for actuating a diverter gate on a conveyor line with a short, 85 mm throw.
Clamp & Weld Fixture
Delivers 4523 N of clamping force at 0.9 MPa. The built-in magnet provides end-of-stroke confirmation via reed sensors, ensuring the fixture is fully closed before a welding cycle starts.
Pivoting Press Mechanism
The TC mount handles the arcing motion of a small toggle press. The 25 mm rod and adjustable air cushion provide smooth deceleration at the end of the 85 mm stroke under high cycle rates.
Is the Airtac SC80 Standard Cylinder SC80X85STC the Right Cylinder?
For applications needing more force, stepping up to the 100 mm bore SC100 series provides 3927 N at 0.5 MPa. If a lower force and smaller footprint are acceptable, the 63 mm bore SC63 series offers 1559 N. The 85 mm stroke is well within the 1500 mm maximum standard stroke for this bore.
To ensure a correct replacement, match five key points: 80 mm bore, 85 mm stroke, PT port thread, the TC centre trunnion mounting accessory, and the built-in magnet for sensor compatibility. The SC is a tie-rod cylinder and is not dimensionally interchangeable with ISO 15552 profile cylinders.
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 SC80X85STC FAQ
At the standard operating pressure of 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 increases to 4523 N.
No. The AirTAC SC series is a tie-rod cylinder with a shorter body length (182 mm for the 80 bore) and is not dimensionally interchangeable with ISO 15552 profile cylinders. It must be replaced with another AirTAC SC80 tie-rod cylinder matching the stroke, PT ports, TC mount, and magnet.
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