Airtac SGCD Dual Rod Cylinder SGCD125X50
The AirTAC Airtac SGCD Dual Rod Cylinder SGCD125X50 is a genuine double acting, double rod ISO 15552 (orig. ISO 6431) tie-rod air cylinder with a Ø125mm bore and 50mm stroke, G1/2 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.
- BoreØ125 mm
- Stroke50 mm
- Port sizeG1/2
- Acting typeDouble acting, double rod
- Rod threadM27×2.0
- CushionAdjustable, 40 mm
About the Airtac SGCD Dual Rod Cylinder SGCD125X50
Delivering 5734 N of thrust in both directions at 0.5 MPa, this double-acting double-rod cylinder eliminates the area differential found in single-rod units. The twin-rod layout provides a symmetric load path and inherent anti-twist guidance, allowing you to drive two tools simultaneously or mount a sensor cam on the back end. Because the piston rod passes through both covers, the push and pull forces remain identical at 8028 N when running at 0.7 MPa.
Four steel tie rods clamp the aluminum barrel to the covers, giving genuine ISO 15552 mounting-interface interchangeability for your large-bore fixtures. The G1/2 port supplies air efficiently, while adjustable 40 mm cushions decelerate the piston at both ends. This non-magnet SKU cannot host a sensor; add the -S option for CMSG/DMSG/EMSG switches. Expect a safe working load around 3440 N, which translates to lifting roughly 292 kg vertically with a 2:1 safety margin.
Airtac SGCD Dual Rod Cylinder SGCD125X50 Technical Specifications
| Model | Airtac SGCD Dual Rod Cylinder SGCD125X50 |
|---|---|
| Series | SGC ISO 15552 tie-rod cylinder |
| Bore size | Ø125 mm |
| Stroke | 50 mm |
| Acting type | Double acting, double rod |
| Port size | G1/2 |
| Rod thread | M27×2.0 |
| 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, 40 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 (Ø125mm)
| Pressure | Force (both ways) | — |
|---|---|---|
| 0.5 MPa | 5734 N | 5734 N |
| 0.7 MPa | 8027 N | 8027 N |
| Max (@1.0 MPa) | 1251 kgf | |
Double-rod: the rod passes through both covers, so output force is equal in both directions.
Model Code: Airtac SGCD Dual Rod Cylinder SGCD125X50
| SGCD | ISO 15552 tie-rod cylinder (double-rod type). |
|---|---|
| 125 | Bore size in mm (125 / 160 / 200 / 250). |
| ×50 | 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 SGCD125X50 Is Used
Twin-Tool Indexing
Drives two opposing forming tools simultaneously with equal 5734 N force, keeping the load path perfectly symmetric.
Anti-Rotation Lift
Uses the dual-rod geometry to lift 292 kg vertically without twisting, eliminating the need for external linear guides.
Symmetric Diverting
Pushes a diverter arm from either end on a conveyor line, ensuring stable bidirectional routing of heavy pallets.
Is the Airtac SGCD Dual Rod Cylinder SGCD125X50 the Right Cylinder?
Size this 125 mm bore against its neighbors: step down to the 160 mm bore if you need 9425 N each way, or drop to a smaller series if 5734 N at 0.5 MPa is too much. Choose the double-rod configuration when your mechanism requires anti-rotation stability, symmetric load distribution, or twin tooling driven from one piston. Mounting options include FA, LB, TC, FTC, TCM1, and TCM2. Since this SKU lacks the -S magnet, it cannot accept position sensors. For any stroke over 500 mm, use external guide rails to prevent rod binding under lateral loads.
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 SGCD125X50 FAQ
The double-rod design yields equal force both ways: 5734 N at 0.5 MPa and 8028 N at 0.7 MPa. The theoretical maximum is 1169 kgf at 1.0 MPa. It operates from 0.15 to 1.0 MPa and features a G1/2 port.
No, a standard cylinder drifts without live air, as the adjustable 40 mm cushions only decelerate near stroke end. For vertical load holding, install an external rod lock or a pilot-operated check valve.
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