Airtac SCD Standard Cylinder SCD200X80
The AirTAC Airtac SCD Standard Cylinder SCD200X80 is a genuine double-acting DOUBLE-ROD air cylinder: the Ø40mm piston rod extends from BOTH end caps, giving equal effective area — and therefore equal force — in push and pull. Ø200mm bore, 80mm stroke, PT3/4 ports and adjustable end cushioning.
- BoreØ200 mm
- Rod (both ends)Ø40 mm
- Stroke80 mm
- Port sizePT3/4
- Rod configDouble rod (through)
- CushionAdjustable, 33 mm
About the Airtac SCD Standard Cylinder SCD200X80
The SCD200X80 is a double-acting, double-rod pneumatic cylinder that produces exactly the same force in both directions—15080 N at 0.5 MPa, rising to 27143 N at the maximum operating pressure of 0.9 MPa. Because a 40 mm rod passes through both end caps, the effective piston area is identical on the push and pull strokes, making this actuator ideal for applications where balanced thrust and speed are critical.
This 200 mm bore model features a G3/4 port, an M36x2 rod thread, and a 29 mm adjustable air cushion to decelerate the piston smoothly at each end of its 80 mm stroke. The body length A(SCD) is 362 mm, and the through-rod design provides better bearing support than a single-rod cylinder, helping to resist minor side loads and rotation in dual-tooling setups.
Airtac SCD Standard Cylinder SCD200X80 Technical Specifications
| Model | Airtac SCD Standard Cylinder SCD200X80 |
|---|---|
| Series | SCD double-rod tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø200 mm |
| Rod diameter | Ø40 mm (both ends) |
| Stroke | 80 mm |
| Rod configuration | Double rod — rod through both caps |
| Acting type | Double acting |
| Port size | PT3/4 |
| Rod thread | M36×2 |
| 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 – 500 mm/s |
| Cushion | Adjustable, 33 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 (Ø200mm, double rod)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 15080 N | 15080 N |
| 0.7 MPa | 21111 N | 21111 N |
| Max (@1.0 MPa) | 3075 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 SCD200X80
| SCD | Double-rod tie-rod cylinder series (rod out both ends). |
|---|---|
| 200 | Bore size in mm. |
| ×80 | 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 SCD200X80 Is Used
Reciprocating Shuttle Tables
The equal 15080 N push-pull force at 0.5 MPa drives a transfer shuttle back and forth with perfectly matched acceleration and deceleration, preventing speed asymmetry in material handling stations.
Dual-Sided Bending Fixtures
Mount forming tools on both ends of the through-rod to bend or clamp a workpiece from two sides simultaneously, using the 27143 N thrust at 0.9 MPa for heavy-gauge metal forming.
Rear Stroke Sensing
The rear rod extension provides a clean mounting point for a DMSG sensor flag or external limit switch, enabling end-of-stroke detection without interfering with the primary tooling on the front rod.
Is the Airtac SCD Standard Cylinder SCD200X80 the Right Cylinder?
Choose the SCD200X80 when your application demands symmetric force output and a rear rod extension for mounting a sensor flag, stopper, or secondary tool. If 15080 N at 0.5 MPa exceeds your requirement, the SCD160 bore offers 9425 N at the same pressure, while the SCD250 steps up to 23562 N. For a direct replacement, match the 200 mm bore, 80 mm stroke, PT port thread, and basic mounting style exactly.
If you only need force from one end, a single-rod SC cylinder will be more compact and cost-effective. Should your load apply significant side force, do not rely solely on the double rod's guidance—pair the cylinder with an external linear guide or select a dedicated guided cylinder instead.
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 SCD200X80 FAQ
Push and pull force are identical because the rod extends through both ends. At 0.5 MPa the output is 15080 N, at 0.7 MPa it is 21111 N, and at the maximum operating pressure of 0.9 MPa it reaches 27143 N.
Select an SCD when you need equal force and speed in both directions, a rear rod to mount tooling or sensors, or the improved bearing support that a through-rod provides against side loads. If you only require force from one end and want a shorter overall length, the single-rod SC series is the better choice.
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