
The AirTAC Airtac SGCD Dual Rod Cylinder SGCD125X450 is a genuine double acting, double rod ISO 15552 (orig. ISO 6431) tie-rod air cylinder with a Ø125mm bore and 450mm 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.
Delivering 5734 N of thrust in both directions at 0.5 MPa, this large-bore ISO 15552 tie-rod cylinder uses a twin-rod piston to provide perfectly symmetric output force. The rod passes through both covers, meaning the effective area is identical on the extend and retract strokes. This yields a safe working load of about 3440 N, which translates to lifting roughly 292 kg vertically with a 2:1 safety margin. A G1/2 port supplies air, while four steel tie rods clamp the aluminum barrel for high structural rigidity.
Because the piston rod exits both ends, you can mount a sensor cam on the back side or drive two tools simultaneously without rotational twist. The standard TPU seals handle temperatures from -20 to +70 C, though a Viton H option extends this to 0-150 C. Note that this specific SKU lacks a magnet, so it cannot accept CMSG, DMSG, or EMSG switches without upgrading to the -S variant. The 40 mm adjustable air cushions at each end absorb kinetic energy, but remember they only decelerate the piston; they will not hold a load if air pressure drops.
| Model | Airtac SGCD Dual Rod Cylinder SGCD125X450 |
|---|---|
| Series | SGC ISO 15552 tie-rod cylinder |
| Bore size | Ø125 mm |
| Stroke | 450 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).
| 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.
| SGCD | ISO 15552 tie-rod cylinder (double-rod type). |
|---|---|
| 125 | Bore size in mm (125 / 160 / 200 / 250). |
| ×450 | 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.
Drives two opposing forming tools simultaneously from a single piston, ensuring perfectly synchronized press strokes without twisting.
Lifts and lowers a 292 kg vertical payload using the equal pull-side force, maintaining a balanced load path through both end covers.
Pushes a workpiece forward on one belt while retracting a return actuator on the opposite end, keeping cycle times identical.
When sizing this double-rod unit, consider the neighboring bores: the 160 mm version provides 9425 N both ways at 0.5 MPa, while there is no smaller SGCD option below 125 mm. Choose this 125 mm bore when your application demands anti-rotation guidance, a symmetric load path, or twin tooling driven from one piston. Mounting options include FA, LB, TC, FTC, TCM1, and TCM2 brackets. Since the 450 mm stroke exceeds 500 mm, you must provide external guide rails to prevent side-load binding and premature seal wear. For any load-holding requirements, add an external rod lock or pilot-operated check valve, as the cushions only decelerate.
Quick checklist
This double-acting cylinder provides equal force in both directions: 5734 N at 0.5 MPa and 8028 N at 0.7 MPa. The theoretical maximum pull force is 1169 kgf at 1.0 MPa. It features a 125 mm bore, a 32 mm rod, a G1/2 port, and a 40 mm adjustable air cushion at each end.
No, this specific SKU does not include a magnet. To use CMSG, DMSG, or EMSG magnetic switches, you must select the -S variant of the SGCD. Without the -S option, the cylinder cannot accept magnetic position sensing.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
Large-bore cylinders built to order — confirm lead time.
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