Airtac SGCD Dual Rod Cylinder SGCD200X400S
The AirTAC Airtac SGCD Dual Rod Cylinder SGCD200X400S is a genuine double acting, double rod ISO 15552 (orig. ISO 6431) tie-rod air cylinder with a Ø200mm bore and 400mm stroke, G3/4 air ports and adjustable end cushioning. Its large-bore tie-rod build delivers high thrust and drops into standardized ISO 15552 mounting on heavy automation.
- BoreØ200 mm
- Stroke400 mm
- Port sizeG3/4
- Acting typeDouble acting, double rod
- Rod threadM36×2.0
- CushionAdjustable, 50 mm
About the Airtac SGCD Dual Rod Cylinder SGCD200X400S
Delivering 15079 N of thrust each way at 0.5 MPa, this large-bore double-rod cylinder eliminates the force differential found in single-rod units. The twin-rod layout provides a symmetric load path and prevents piston rotation, making it ideal for guiding heavy platens. A rod extends from each end, allowing you to drive two mechanisms simultaneously or mount a rear sensor cam. Four steel tie rods clamp the aluminum barrel to the covers, ensuring structural rigidity under high pressure.
This 200 mm bore model features a G3/4 air port, a 40 mm piston rod, and an M36x2.0 rod-end thread. The -S suffix denotes a built-in piston magnet for CMSG, DMSG, or EMSG position switches. It provides a safe working load of roughly 9047 N, which translates to lifting about 769 kg vertically with a 2:1 safety margin. Adjustable 50 mm air cushions at both ends absorb kinetic energy near stroke end, though an external rod lock is required for dead-load holding.
Airtac SGCD Dual Rod Cylinder SGCD200X400S Technical Specifications
| Model | Airtac SGCD Dual Rod Cylinder SGCD200X400S |
|---|---|
| Series | SGC ISO 15552 tie-rod cylinder |
| Bore size | Ø200 mm |
| Stroke | 400 mm |
| Acting type | Double acting, double rod |
| Port size | G3/4 |
| Rod thread | M36×2.0 |
| 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, 50 mm |
| Max standard stroke | Up to 1500 mm |
Specifications follow the official AirTAC SGC datasheet and ISO 15552 dimensions. Confirm against the product label before installation. Thread options: PT (blank) / G. TPU seals are not available for the Ø250 bore (NBR / Viton only).
Theoretical Output Force (Ø200mm)
| Pressure | Force (both ways) | — |
|---|---|---|
| 0.5 MPa | 15080 N | 15080 N |
| 0.7 MPa | 21111 N | 21111 N |
| Max (@1.0 MPa) | 3204 kgf | |
Double-rod: the rod passes through both covers, so output force is equal in both directions.
Model Code: Airtac SGCD Dual Rod Cylinder SGCD200X400S
| SGCD | ISO 15552 tie-rod cylinder (double-rod type). |
|---|---|
| 200 | Bore size in mm (125 / 160 / 200 / 250). |
| ×400 | Stroke length in mm. |
| -S | Optional built-in magnet for CMSG / DMSG / EMSG sensors. |
SGC-family variants: SGC (double acting), SGCD (double rod), SGCJ (adjustable stroke). Mounting: LB / FA / FB / CA / CB / CR / TC / FTC / TCM1 / TCM2. Seals: TPU (blank) / Viton H / NBR N.
Where the Airtac SGCD Dual Rod Cylinder SGCD200X400S Is Used
Twin-Spindle Press
Drives two opposing forming tools simultaneously with equal 15079 N force, keeping the press platen perfectly balanced without rotation.
Symmetric Divert Gate
Uses both extending rods to push diverter blades on parallel lanes, ensuring synchronized package routing across a wide sorting belt.
Vertical Lift Platform
Lifts roughly 769 kg of loaded pallets vertically with a 2:1 safety margin, relying on the twin rods to prevent rack twist during travel.
Is the Airtac SGCD Dual Rod Cylinder SGCD200X400S the Right Cylinder?
This 200 mm bore sits between the 160 mm option (9425 N each way) and the 250 mm size (23562 N each way), offering substantial power for demanding fixtures. Choose a double-rod configuration when your application demands anti-rotation stability, twin tooling operation from one piston, or a symmetric load path. The ISO 15552 mounting interface allows direct dimensional interchange with existing large-bore fixtures. Available SGCD mountings include FA, LB, TC, FTC, TCM1, and TCM2. The -S magnet enables CMSG/DMSG/EMSG electronic or reed sensing. Because the 400 mm stroke generates leverage, always mount external guide rails to absorb side loads and prevent binding.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT / G / NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Long-stroke side load — support the rod end
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load; support long strokes at the rod end.
- check Set cushions to minimum, then release gradually.
- check Use correct mounting accessory (LB/FA/FB/CA/CB/CR/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SGCD Dual Rod Cylinder SGCD200X400S FAQ
Because it is a double-rod cylinder, force is equal in both directions using the rod-side area. It outputs 15079 N at 0.5 MPa and 21110 N at 0.7 MPa, with a theoretical maximum of 3075 kgf at 1.0 MPa. The air port size is G3/4.
The -S suffix means it has a built-in magnet for CMSG, DMSG, or EMSG position switches. However, the air cushions only decelerate the piston near stroke end; they do not lock. For dead-load holding, you must install an external rod lock or pilot-operated check valve.
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