Airtac SCD Standard Cylinder SCD80X25TC
The AirTAC Airtac SCD Standard Cylinder SCD80X25TC 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, 25mm stroke, PT3/8 ports and adjustable end cushioning.
- BoreØ80 mm
- Rod (both ends)Ø25 mm
- Stroke25 mm
- Port sizePT3/8
- Rod configDouble rod (through)
- CushionAdjustable, 28 mm
About the Airtac SCD Standard Cylinder SCD80X25TC
The SCD80X25TC is a double-acting, double-rod pneumatic cylinder that outputs an identical 2268 N of force in both the extend and retract strokes at 0.5 MPa, thanks to its through-rod design. With a 25 mm rod protruding from both end caps, this short-stroke 80 mm bore unit provides balanced thrust for compact, two-sided tooling or symmetrical actuation tasks.
This model comes factory-configured with a TC centre trunnion mount (including the TCM1 bracket, order code F-SC80TC), allowing the cylinder body to pivot and absorb misalignment in swinging applications. The 25 mm stroke is well within the standard range, and the adjustable air cushion (28 mm length) decelerates the piston smoothly at both ends of travel.
Airtac SCD Standard Cylinder SCD80X25TC Technical Specifications
| Model | Airtac SCD Standard Cylinder SCD80X25TC |
|---|---|
| Series | SCD double-rod tie-rod cylinder |
| Bore size | Ø80 mm |
| Rod diameter | Ø25 mm (both ends) |
| Stroke | 25 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 SCD80X25TC
| SCD | Double-rod tie-rod cylinder series (rod out both ends). |
|---|---|
| 80 | Bore size in mm. |
| ×25 | 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 SCD80X25TC Is Used
Two-Sided Actuation
The through-rod provides identical push and pull force, making it perfect for driving tooling or fixtures from both ends of the cylinder simultaneously in a compact 25 mm stroke.
Pivoting Transfer Arms
With the integrated TC centre trunnion mount, this cylinder can swing freely to handle misalignment in pick-and-place or material transfer mechanisms without binding.
Anti-Rotation Linear Guide
The dual-rod design offers superior resistance to rod rotation compared to a single-rod cylinder, useful for maintaining orientation of a small sensor or tool over a short 25 mm travel.
Is the Airtac SCD Standard Cylinder SCD80X25TC the Right Cylinder?
Choose the SCD80X25TC when you need equal push-pull force of 2268 N at 0.5 MPa in a pivoting mount. If your application requires more thrust, step up to the SCD100 bore, which provides 3681 N at the same pressure. For less force, the SCD63 delivers 1402 N. This double-rod cylinder is ideal for two-sided work, but if you only need force from one end, a single-rod SC80 cylinder is a simpler, more cost-effective choice. For a direct replacement, match the 80 mm bore, 25 mm stroke, PT port thread, TC centre trunnion mounting, and the absence of a magnet.
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 SCD80X25TC FAQ
The push and pull forces are equal. At 0.5 MPa, it delivers 2268 N in both directions. At the maximum operating pressure of 0.9 MPa, the force is 4082 N. The theoretical force at 1.0 MPa is 463 kgf.
Choose an SCD when you need equal force and speed in both directions, or when you need to mount a tool, sensor flag, or stopper on the rear rod. The through-rod also provides better guidance and anti-rotation than a single-rod cylinder, though it is not a substitute for a fully guided cylinder under heavy side loads.
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