Airtac SGCD Dual Rod Cylinder SGCD125X500S
The AirTAC Airtac SGCD Dual Rod Cylinder SGCD125X500S is a genuine double acting, double rod ISO 15552 (orig. ISO 6431) tie-rod air cylinder with a Ø125mm bore and 500mm 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
- Stroke500 mm
- Port sizeG1/2
- Acting typeDouble acting, double rod
- Rod threadM27×2.0
- CushionAdjustable, 40 mm
About the Airtac SGCD Dual Rod Cylinder SGCD125X500S
Delivering exactly 5734 N of thrust and pull at 0.5 MPa, this AirTAC SGCD125X500S unit is a true double-acting double-rod ISO 15552 tie-rod cylinder. Because a rod exits both covers, the pressure area is identical each way, making output force perfectly symmetrical. This configuration is ideal for driving twin tooling stations or mounting a rear sensor cam. The four steel tie rods clamp the aluminum barrel securely, and the G1/2 port handles the air flow.
With a 500 mm stroke, you should plan for external guide support to prevent rod bending under side loads. The built-in magnet (-S) supports CMSG, DMSG, and EMSG switches for position sensing. Factoring a 60 percent safety margin, this actuator handles a safe working load of about 3440 N, which translates to lifting roughly 292 kg vertically. Note that the adjustable 40 mm cushions decelerate the piston but do not hold the load on air loss; use a pilot-operated check valve for that.
Airtac SGCD Dual Rod Cylinder SGCD125X500S Technical Specifications
| Model | Airtac SGCD Dual Rod Cylinder SGCD125X500S |
|---|---|
| Series | SGC ISO 15552 tie-rod cylinder |
| Bore size | Ø125 mm |
| Stroke | 500 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 SGCD125X500S
| SGCD | ISO 15552 tie-rod cylinder (double-rod type). |
|---|---|
| 125 | Bore size in mm (125 / 160 / 200 / 250). |
| ×500 | 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 SGCD125X500S Is Used
Twin-Tool Machining Station
Drives two opposing machining heads simultaneously with equal 5734 N force, ensuring perfectly balanced material removal on both sides of a workpiece.
Anti-Rotation Indexing Lift
Uses the dual-rod symmetry to lift a 292 kg vertical load over 500 mm without the mechanical twist or racking common to single-rod actuators.
Dual-End Transfer Pusher
Moves parts down a line with the front rod while the rear rod simultaneously cycles a diverter gate, keeping cycle times perfectly synchronized.
Is the Airtac SGCD Dual Rod Cylinder SGCD125X500S the Right Cylinder?
This 125 mm bore sits at the lower edge of the SGCD range, offering 5734 N each way at 0.5 MPa. If your application requires less force, you must step outside the SGCD family, but if you need more power, the 160 mm bore provides 9425 N both ways. Choose the double-rod design when you need anti-rotation stability, a symmetric load path, or a rear rod end to carry a sensor cam. Available mountings include FA, LB, TC, FTC, TCM1, and TCM2. The -S suffix ensures you get the piston magnet for CMSG, DMSG, or EMSG sensors. Because the stroke is 500 mm, always incorporate external load guides to absorb side loads and prevent rod bending.
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 SGCD125X500S FAQ
Because it is a double-rod cylinder, force is equal in both directions. It delivers 5734 N at 0.5 MPa and 8028 N at 0.7 MPa. The theoretical maximum is 1169 kgf at 1.0 MPa. Operating pressure ranges from 0.15 to 1.0 MPa, and it uses a G1/2 port.
No. The adjustable 40 mm air cushions only decelerate the piston near the end caps; they do not function as a brake. If you need to hold a load vertically, you must install an external rod lock or a pilot-operated check valve.
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