Airtac SC80 Standard Cylinder SC80X65H
The AirTAC Airtac SC80 Standard Cylinder SC80X65H is a genuine double-acting standard air cylinder with a Ø80mm bore and 65mm stroke, PT3/8 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ80 mm
- Stroke65 mm
- Port sizePT3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 28 mm
About the Airtac SC80 Standard Cylinder SC80X65H
The AirTAC SC80X65H is a double-acting pneumatic cylinder with an 80 mm bore and 65 mm stroke, fitted with high-temperature Viton (FKM) seals for reliable service in environments up to 150 °C. Its 25 mm piston rod generates 2513 N of push force at 0.5 MPa, rising to 4523 N at the maximum operating pressure of 0.9 MPa.
This model uses a PT1/8 port and features a 28 mm adjustable air cushion at each end to decelerate the piston smoothly. The body length A is 182 mm, giving a compact extended length of approximately 247 mm. The SC is a tie-rod cylinder, shorter than an ISO 15552 profile, and this H-suffix variant suits hot or aggressive applications where standard seals would degrade.
Airtac SC80 Standard Cylinder SC80X65H Technical Specifications
| Model | Airtac SC80 Standard Cylinder SC80X65H |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 65 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 SC80X65H
| SC | Standard tie-rod cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×65 | 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 SC80X65H Is Used
High-Temperature Process Actuation
With Viton seals rated from 0 to 150 °C, this cylinder operates reliably in ovens, autoclaves, and foundry equipment where standard NBR or TPU seals would fail, providing consistent 2513 N clamping force.
Hot Press & Molding Ejection
Delivers a controlled 65 mm ejection stroke in heated press tools and molding machines. The adjustable air cushion protects tooling from impact damage at the end of the stroke, extending die life.
Chemical & Steam Cleaning Environments
The FKM seal material resists aggressive cleaning agents and steam, making the SC80X65H suitable for pharmaceutical or food-processing actuators that undergo frequent washdown cycles at elevated temperatures.
Is the Airtac SC80 Standard Cylinder SC80X65H the Right Cylinder?
Choose the SC80 bore when your application needs between 2513 N and 4523 N of push force. For lower force requirements, stepping down to the SC63 bore provides 1559 N at 0.5 MPa; for higher demands, the SC100 bore delivers 3927 N at 0.5 MPa. This 65 mm stroke is a standard length, well within the 1500 mm maximum for the 80 mm bore.
When replacing an existing cylinder, match all five key points: 80 mm bore, 65 mm stroke, PT port thread, basic (no bracket) mounting, and the absence of a magnet. The Viton seal (H) must also be matched if the application runs above 70 °C. For strokes over 300 mm, consider an external guide to protect the rod from side-load bending, though this short 65 mm stroke is inherently rigid.
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 SC80X65H FAQ
At 0.7 MPa operating pressure, the 80 mm bore SC cylinder produces a push force of 3518 N. The maximum push force at 0.9 MPa is 4523 N, and the theoretical force at 1.0 MPa is 513 kgf. The pull force on the retract stroke is 2268 N at 0.5 MPa due to the 25 mm rod reducing the piston area.
No. The AirTAC SC series is a tie-rod cylinder and is physically shorter than an ISO 15552 profile cylinder, so mounting dimensions and body length are not interchangeable. It directly replaces another AirTAC SC80 tie-rod cylinder of the same stroke, port type, and mounting. Always verify the body length A (182 mm) against your existing installation.
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