Airtac SCD Standard Cylinder SCD200X80S
The AirTAC Airtac SCD Standard Cylinder SCD200X80S 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 SCD200X80S
The SCD200X80S is a large-bore double-rod pneumatic cylinder that produces an identical 15080 N of force in both directions at 0.5 MPa, thanks to its through-rod design. With a 40 mm rod extending from both end caps and a 33 mm air cushion, it provides symmetric thrust and controlled deceleration for heavy, balanced tooling on each side.
This model includes a built-in magnet (denoted by the -S suffix), allowing direct mounting of CMSG, DMSG, or EMSG sensors along the tie-rod barrel for precise end-of-stroke or mid-position detection. Operating on filtered air from 0.15 to 1.0 MPa, the 200 mm bore body has a retracted length (A dimension) of 362 mm, making it a robust, dual-sided actuator for demanding industrial tasks.
Airtac SCD Standard Cylinder SCD200X80S Technical Specifications
| Model | Airtac SCD Standard Cylinder SCD200X80S |
|---|---|
| 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 SCD200X80S
| 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 SCD200X80S Is Used
Symmetric Press Platen
The equal 15080 N push and pull force at 0.5 MPa makes this cylinder ideal for driving a press platen that must apply identical pressure in both closing and opening strokes.
Rear-Mounted Stroke Sensing
The built-in magnet on the SCD200X80S allows a sensor to be clamped onto the rear tie-rod, using the protruding back rod as a position flag for a clean, integrated feedback solution.
Heavy Guided Transfer
The 40 mm through-rod provides superior bearing support for a heavy transfer shuttle, resisting the bending moment better than a single-rod cylinder when the load is centered.
Is the Airtac SCD Standard Cylinder SCD200X80S the Right Cylinder?
Choose the SCD200X80S when your application requires a hefty 15 kN of force extending and retracting, such as driving a large shuttle table or a symmetrical press platen. If your force needs are lower, stepping down to the SCD160 bore provides 9425 N at the same pressure, which may reduce air consumption and physical footprint. For single-sided pushing with a higher force on the extend stroke, the single-rod SC200 cylinder is a more efficient choice, as the SCD sacrifices full-bore push area for its equal dual-output characteristic. This genuine AirTAC double-rod unit is a direct replacement for another SCD200 of the same 80 mm stroke, PT port thread, and magnet option.
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 SCD200X80S FAQ
The push and pull forces are equal on a double-rod cylinder. For the 200 mm bore with a 40 mm rod, the effective area is the same on both sides. At 0.5 MPa, it produces 15080 N; at 0.7 MPa, 21111 N; and at the maximum operating pressure of 0.9 MPa, it delivers 27143 N in both directions.
Choose the SCD200 when you need identical force and speed extending and retracting, or when you need to mount a tool, a stopper, or a sensor flag 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 unit under high side loads.
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