Airtac SCD Standard Cylinder SCD80X75TC
The AirTAC Airtac SCD Standard Cylinder SCD80X75TC is a genuine double-acting DOUBLE-ROD air cylinder: the Ø25mm piston rod extends from BOTH end caps, giving equal effective area — and therefore equal force — in push and pull. Ø80mm bore, 75mm stroke, PT3/8 ports and adjustable end cushioning.
- BoreØ80 mm
- Rod (both ends)Ø25 mm
- Stroke75 mm
- Port sizePT3/8
- Rod configDouble rod (through)
- CushionAdjustable, 28 mm
About the Airtac SCD Standard Cylinder SCD80X75TC
The SCD80X75TC is a double-acting pneumatic cylinder with a through rod, giving you identical push and pull force of 2268 N at 0.5 MPa. Its 25 mm rod extends from both ends, making it ideal for tasks where you need to mount tooling or a sensor flag on the rear side while keeping motion perfectly symmetric.
This model comes with a factory-fitted TC centre trunnion mount and TCM1 bracket (part code F-SC80TC), allowing the cylinder body to pivot as it strokes. The 75 mm stroke is well within the standard range for the 80 mm bore, and the adjustable air cushion at each end (28 mm length) smoothly decelerates the piston without any metal-to-metal impact.
Airtac SCD Standard Cylinder SCD80X75TC Technical Specifications
| Model | Airtac SCD Standard Cylinder SCD80X75TC |
|---|---|
| Series | SCD double-rod tie-rod cylinder |
| Bore size | Ø80 mm |
| Rod diameter | Ø25 mm (both ends) |
| Stroke | 75 mm |
| Rod configuration | Double rod — rod through both caps |
| 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 SCD (double-rod) datasheet. Because the rod runs through both caps, the effective area is (bore² − rod²) in both directions. Confirm against the product label before installation. Thread options: PT (standard) / G.
Theoretical Output Force (Ø80mm, double rod)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2268 N | 2268 N |
| 0.7 MPa | 3175 N | 3175 N |
| Max (@1.0 MPa) | 463 kgf | |
Push and pull are EQUAL on a double-rod cylinder — both chambers lose the rod area, so effective area = (bore² − rod²) each way. Actual usable force is lower than theoretical due to friction and back-pressure; size with a safety margin.
Model Code: Airtac SCD Standard Cylinder SCD80X75TC
| SCD | Double-rod tie-rod cylinder series (rod out both ends). |
|---|---|
| 80 | Bore size in mm. |
| ×75 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related types: SC (single rod), SCJ (adjustable stroke), SCT (multi-position). SCD mounting: Basic, FA, LB, TC, TCM1. Seals: TPU standard / H = Viton / N = NBR. Thread: blank = PT, G = G thread.
Where the Airtac SCD Standard Cylinder SCD80X75TC Is Used
Two-Sided Transfer Shuttles
The rear rod can actuate a secondary mechanism or simply provide a balanced guide, making this cylinder perfect for shuttles that move parts between two parallel conveyor lines.
Symmetric Clamping & Forming
With equal force in both directions, the SCD80X75TC applies consistent pressure for pressing or light forming operations where the return stroke is a working stroke.
Non-Rotating Pusher Stations
The dual-rod design provides inherent anti-rotation stability. Use it as a pusher in a packaging line where you need the tooling to stay aligned without adding an external guide for short strokes.
Is the Airtac SCD Standard Cylinder SCD80X75TC the Right Cylinder?
Choose the SCD80 when your application needs balanced force in both directions around the 2268 N mark at 0.5 MPa. If you need less thrust, the smaller SCD63 delivers 1402 N; for heavier loads, step up to the SCD100 which provides 3681 N. A single-rod SC series cylinder is a better fit if you only need a working port on one side and can accept unequal push/pull forces.
The TC centre trunnion mount is the right choice for pivoting applications, but remember that the SCD is a tie-rod cylinder, not a guided unit. For strokes longer than 300 mm or any significant side load, add an external guide rail to protect the rod bearings from bending stress.
Double-rod checklist
- ✓ Need equal force / speed both directions?
- ✓ Rear rod for tooling, stopper or sensor flag?
- ✓ Better rod guidance / anti-rotation?
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Keep BOTH rod ends clear of side load and interference.
- check Adjust end cushion screws for smooth stops.
- check Use SCD mounting accessory (FA / LB / TC / TCM1).
- check Installation by qualified personnel per AirTAC docs.
Airtac SCD Standard Cylinder SCD80X75TC FAQ
Yes. Because the piston rod passes through both end caps, the effective pressure area is the same on both sides of the piston. At 0.5 MPa, both the extend and retract strokes deliver 2268 N of force.
Pick the SCD when you need to mount a tool, sensor, or stopper on the rear rod, or when your process demands perfectly equal speed and force in both directions. The dual-rod design also provides better guidance than a single-rod cylinder, though it is not a replacement for a fully guided actuator under heavy side loads.
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