Airtac SCD Standard Cylinder SCD200X50S
The AirTAC Airtac SCD Standard Cylinder SCD200X50S 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, 50mm stroke, PT3/4 ports and adjustable end cushioning.
- BoreØ200 mm
- Rod (both ends)Ø40 mm
- Stroke50 mm
- Port sizePT3/4
- Rod configDouble rod (through)
- CushionAdjustable, 33 mm
About the Airtac SCD Standard Cylinder SCD200X50S
The SCD200X50S is a substantial double-rod pneumatic cylinder delivering an identical 15080 N of force in both push and pull directions at 0.5 MPa, rising to 27143 N at the maximum 0.9 MPa operating pressure. Its 40 mm diameter rod passes through both end caps, creating a balanced thrust profile that is ideal for heavy-duty applications requiring a rear rod connection for external guides, limit switches, or dual-sided tooling.
This model includes a built-in magnet (denoted by the 'S' suffix), allowing for direct mounting of CMSG, DMSG, or EMSG sensors along the tie-rod barrel for non-contact position sensing. With a body length of 362 mm and a 33 mm adjustable air cushion, it provides smooth deceleration for high-inertia loads within its short 50 mm stroke, making it a robust solution for clamping and pressing tasks.
Airtac SCD Standard Cylinder SCD200X50S Technical Specifications
| Model | Airtac SCD Standard Cylinder SCD200X50S |
|---|---|
| Series | SCD double-rod tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø200 mm |
| Rod diameter | Ø40 mm (both ends) |
| Stroke | 50 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 SCD200X50S
| SCD | Double-rod tie-rod cylinder series (rod out both ends). |
|---|---|
| 200 | Bore size in mm. |
| ×50 | 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 SCD200X50S Is Used
Heavy-Duty Clamping
The balanced 15080 N force output at 0.5 MPa is perfect for powerful, symmetrical clamping fixtures where the rear rod can be used to mount a confirmation sensor or a secondary stop.
Dual-Sided Pressing
Utilize the through-rod design to operate two pressing heads in perfect synchronization from a single cylinder, ensuring equal pressure is applied from both sides of a workpiece.
External Guide Actuation
The protruding rear rod provides an ideal attachment point for coupling to an external linear guide system, preventing rod deflection and ensuring precise, straight-line motion under heavy side loads.
Is the Airtac SCD Standard Cylinder SCD200X50S the Right Cylinder?
Select the SCD200X50S when you need a high-force, short-stroke actuator with equal push-pull capability and integrated position sensing. If your force requirement is lower, consider stepping down to the 160 mm bore SCD160 series, which provides 9425 N at 0.5 MPa. For applications where only a single output point is needed, the standard single-rod SC200 cylinder is a simpler alternative. For direct replacement, ensure the new unit matches the 200 mm bore, 50 mm stroke, PT port thread, basic mounting, and the S 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 SCD200X50S FAQ
Because it is a double-rod cylinder, the push and pull forces are identical. The force is 15080 N at 0.5 MPa, 21111 N at 0.7 MPa, and reaches 27143 N at the maximum operating pressure of 0.9 MPa.
Choose the SCD200X50S when you need perfectly equal force and speed in both directions, or when you require a rear rod extension to mount sensors, cams, or secondary tooling. The through-rod also provides better guidance and support for the piston, reducing bearing wear compared to a single-rod cylinder.
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