Airtac SCD Standard Cylinder SCD200X900
The AirTAC Airtac SCD Standard Cylinder SCD200X900 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, 900mm stroke, PT3/4 ports and adjustable end cushioning.
- BoreØ200 mm
- Rod (both ends)Ø40 mm
- Stroke900 mm
- Port sizePT3/4
- Rod configDouble rod (through)
- CushionAdjustable, 33 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SCD Standard Cylinder SCD200X900
The SCD200X900 is a heavy-duty double-rod pneumatic cylinder engineered for applications demanding identical thrust in both directions. With a 200 mm bore and a substantial 40 mm through-rod, it provides a balanced 15080 N of force for push and pull strokes at 0.5 MPa, rising to 27143 N at the maximum operating pressure of 0.9 MPa. The 900 mm stroke is well within the 1500 mm maximum standard stroke for this bore, making it a readily available configuration for long-travel, high-force linear tasks.
Because the piston rod extends from both end caps, this cylinder offers superior resistance to rod bending and eliminates the force differential found in single-rod designs. The adjustable air cushion at each end, with a 33 mm cushion length, decelerates the massive piston smoothly, protecting the end caps during high-cycle operation. The PT3/4 port and M36x2 rod thread are sized for high flow and robust tooling attachment, while the tie-rod construction ensures serviceability in demanding industrial environments.
Airtac SCD Standard Cylinder SCD200X900 Technical Specifications
| Model | Airtac SCD Standard Cylinder SCD200X900 |
|---|---|
| Series | SCD double-rod tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø200 mm |
| Rod diameter | Ø40 mm (both ends) |
| Stroke | 900 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 SCD200X900
| SCD | Double-rod tie-rod cylinder series (rod out both ends). |
|---|---|
| 200 | Bore size in mm. |
| ×900 | 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 SCD200X900 Is Used
Heavy-Duty Shuttle Tables
The equal 15080 N force in both directions makes this cylinder ideal for shifting heavy steel components or pallets between two stations on a transfer line, ensuring consistent cycle times regardless of travel direction.
Two-Sided Pressing & Clamping
Use the front rod for pressing a bushing while the rear rod actuates a synchronized ejector mechanism. The identical force output guarantees both operations occur with the same 27 kN power at 0.9 MPa.
Symmetric Tensioning Devices
The through-rod design is perfect for applying balanced tension to cables or belts. Mount a load cell on the rear rod to get a direct, accurate force reading that perfectly mirrors the working end's output.
Is the Airtac SCD Standard Cylinder SCD200X900 the Right Cylinder?
Select the SCD200X900 when your mechanism requires a symmetric, high-force linear output over a long stroke, such as operating a two-sided clamping fixture or a heavy shuttle table. If 15080 N at 0.5 MPa exceeds your requirement, consider stepping down to the SCD160 series, which provides 9425 N of force from a more compact 160 mm bore. For applications needing only a single working end, a single-rod SC200 cylinder would be a simpler and more cost-effective choice, as it does not have the second protruding rod.
For a long 900 mm stroke, carefully assess the potential for rod deflection under side loads. While the double-rod design provides better guidance than a single rod, it is not a guided cylinder. If the load is not perfectly axial, integrate an external guide rail or switch to a guided cylinder to prevent premature bearing wear and seal failure. As a direct replacement, this unit matches any AirTAC SCD200X900 with PT ports, basic mounting, and no magnet; ensure the replacement matches these exact specifications.
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 SCD200X900 FAQ
Yes. Unlike a single-rod cylinder, the SCD200X900 has a 40 mm rod extending from both ends. This means the piston's effective area is identical on both sides, producing exactly 15080 N of force in push and pull at 0.5 MPa, and 27143 N at 0.9 MPa.
Choose the SCD200X900 when you need to mount tooling, sensors, or a mechanical stop on the rear rod, or when your application demands perfectly equal speed and force in both directions. The dual-rod support also provides better resistance to side-loading than a single-rod SC cylinder, though it is not a substitute for a fully guided unit under high lateral loads.
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