Airtac SCD Standard Cylinder SCD80X100
The AirTAC Airtac SCD Standard Cylinder SCD80X100 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, 100mm stroke, PT3/8 ports and adjustable end cushioning.
- BoreØ80 mm
- Rod (both ends)Ø25 mm
- Stroke100 mm
- Port sizePT3/8
- Rod configDouble rod (through)
- CushionAdjustable, 28 mm
About the Airtac SCD Standard Cylinder SCD80X100
The SCD80X100 is a double-acting pneumatic cylinder with a through-rod design, delivering identical force in both directions—2268 N at 0.5 MPa. Its 25 mm diameter rod extends from both end caps, making it ideal for applications that need a rear rod for mounting sensors, stoppers, or secondary tooling.
With a 100 mm stroke and a body length A of 257 mm, this tie-rod cylinder fits compact dual-actuation stations. The adjustable air cushion (28 mm) decelerates the piston smoothly at both stroke ends, and the PT3/8 ports supply ample flow for speeds up to 800 mm/s.
Airtac SCD Standard Cylinder SCD80X100 Technical Specifications
| Model | Airtac SCD Standard Cylinder SCD80X100 |
|---|---|
| Series | SCD double-rod tie-rod cylinder |
| Bore size | Ø80 mm |
| Rod diameter | Ø25 mm (both ends) |
| Stroke | 100 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 SCD80X100
| SCD | Double-rod tie-rod cylinder series (rod out both ends). |
|---|---|
| 80 | Bore size in mm. |
| ×100 | 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 SCD80X100 Is Used
Two-Sided Transfer Shuttles
The rear rod carries a counterweight or secondary gripper, balancing the load and enabling a single cylinder to shuttle parts between two parallel conveyors with equal speed in both directions.
Synchronized Pressing
Both rod ends can be tooled to press two workpieces simultaneously against a central fixture, ensuring perfectly synchronized actuation from one compact pneumatic circuit.
Anti-Rotation Pushers
The twin-rod support naturally resists rotation, making this cylinder a reliable choice for pushing components into a nest without adding an external anti-rotate guide for short-stroke applications.
Is the Airtac SCD Standard Cylinder SCD80X100 the Right Cylinder?
Choose the SCD80X100 when you need symmetric push-pull force and a rear rod connection point. If you require more thrust, the SCD100 bore steps up to 3681 N at 0.5 MPa. For applications where only one rod end is needed, the single-rod SC series reduces overall length and cost. This double-rod cylinder provides better bearing support than a single-rod unit, but sustained side loads still demand an external guide or a guided cylinder. For a drop-in replacement, match the 80 mm bore, 100 mm stroke, PT3/8 port thread, and the basic mounting configuration.
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 SCD80X100 FAQ
Because the rod passes through both ends, the effective piston area is identical for push and pull. The force is 2268 N at 0.5 MPa, 3175 N at 0.7 MPa, and 4082 N at the maximum operating pressure of 0.9 MPa.
Select the SCD when you need a rear rod extension for mounting sensors, cams, or additional tooling, or when you require perfectly equal force and speed in both directions. The dual-rod support also provides better guidance and inherent anti-rotation compared to a single-rod cylinder.
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