Airtac SCD Standard Cylinder SCD200X300
The AirTAC Airtac SCD Standard Cylinder SCD200X300 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, 300mm stroke, PT3/4 ports and adjustable end cushioning.
- BoreØ200 mm
- Rod (both ends)Ø40 mm
- Stroke300 mm
- Port sizePT3/4
- Rod configDouble rod (through)
- CushionAdjustable, 33 mm
About the Airtac SCD Standard Cylinder SCD200X300
The SCD200X300 is a large-bore double-rod pneumatic cylinder engineered for heavy-duty applications where identical force and speed are required in both directions. With a 200 mm bore and a 40 mm through-rod, it generates a substantial 15080 N of thrust in both push and pull strokes at 0.5 MPa, ensuring perfectly symmetrical motion for balanced tooling or dual-sided fixtures.
This 300 mm stroke model features a 33 mm adjustable air cushion on each end to decelerate high-inertia loads smoothly. The cylinder's retracted body length (A dimension) is 362 mm, providing a compact footprint for its force class. It operates on filtered air at 0.15-1.0 MPa and uses a PT 3/4 port, making it a robust choice for demanding industrial automation tasks.
Airtac SCD Standard Cylinder SCD200X300 Technical Specifications
| Model | Airtac SCD Standard Cylinder SCD200X300 |
|---|---|
| Series | SCD double-rod tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø200 mm |
| Rod diameter | Ø40 mm (both ends) |
| Stroke | 300 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 SCD200X300
| SCD | Double-rod tie-rod cylinder series (rod out both ends). |
|---|---|
| 200 | Bore size in mm. |
| ×300 | 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 SCD200X300 Is Used
Heavy Pallet Transfer
Uses the rear rod to drive a secondary stopper or kicker, synchronizing pallet handling on both sides of a heavy-duty conveyor line with 15080 N of force.
Dual-Sided Press Tooling
Provides equal clamping pressure from both ends of the cylinder, ideal for large assembly presses where a workpiece must be engaged symmetrically.
Synchronized Gate Actuation
The front rod opens a main chute gate while the rear rod simultaneously actuates a bypass diverter, ensuring coordinated material flow from a single pneumatic signal.
Is the Airtac SCD Standard Cylinder SCD200X300 the Right Cylinder?
Choose the SCD200X300 when your application demands equal bidirectional force in the 15000 N range at standard plant pressure. If you require less force, stepping down to the SCD160 bore reduces output to 9425 N at 0.5 MPa, saving energy and physical space. For applications needing only a single working direction, a single-rod SC200 cylinder would be a more cost-effective and lighter alternative.
For this 300 mm stroke, be mindful of side loads on the exposed rear rod. The through-rod design improves guidance over a single rod, but it is not a substitute for a guided cylinder under significant lateral force. To replace an existing unit, match the 200 mm bore, 300 mm stroke, PT 3/4 port thread, SCD-specific mounting accessory, and magnet option to ensure full compatibility with your current AirTAC setup.
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 SCD200X300 FAQ
Because it is a double-rod cylinder, the push and pull forces are identical. At 0.5 MPa it produces 15080 N, at 0.7 MPa it produces 21111 N, and at the maximum operating pressure of 0.9 MPa it generates 27143 N of force in both directions.
Choose the SCD when you need perfectly equal force and speed in both directions, or when you require a rear rod extension to mount tooling, a sensor flag, or a mechanical stop. The through-rod also provides better bearing support than a single-rod cylinder, improving resistance to misalignment.
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