Airtac SGCD Dual Rod Cylinder SGCD250X25S
The AirTAC Airtac SGCD Dual Rod Cylinder SGCD250X25S is a genuine double acting, double rod ISO 15552 (orig. ISO 6431) tie-rod air cylinder with a Ø250mm bore and 25mm stroke, G1 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.
- BoreØ250 mm
- Stroke25 mm
- Port sizeG1
- Acting typeDouble acting, double rod
- Rod threadM42×2.0
- CushionAdjustable, 60 mm
About the Airtac SGCD Dual Rod Cylinder SGCD250X25S
Delivering 23562 N of thrust in both directions at 0.5 MPa, this double-acting AirTAC SGCD250X25S tie-rod cylinder uses a twin-rod piston to ensure completely symmetric output. The G1 pneumatic port feeds a 250 mm bore that generates identical push and pull forces. Four steel tie rods clamp the aluminum barrel to the covers, providing structural rigidity for heavy-duty cycles. Because the rod exits both covers, the effective piston area remains identical on each side, preventing the force differential found in single-rod units.
This design provides a safe working load of about 14137 N, which is enough to vertically lift roughly 1201 kg with a 2:1 safety margin. The built-in piston magnet (-S suffix) supports CMSG, DMSG, and EMSG electronic or reed switches for precise end-position detection. As a genuine ISO 15552 tie-rod build, it drops directly into existing large-bore ISO 15552 mounting interfaces. Note that TPU seals are unavailable for this 250 mm bore; standard NBR packings handle temperatures from -20 to +70 C, while a Viton H option extends this to 0-150 C.
Airtac SGCD Dual Rod Cylinder SGCD250X25S Technical Specifications
| Model | Airtac SGCD Dual Rod Cylinder SGCD250X25S |
|---|---|
| Series | SGC ISO 15552 tie-rod cylinder |
| Bore size | Ø250 mm |
| Stroke | 25 mm |
| Acting type | Double acting, double rod |
| Port size | G1 |
| Rod thread | M42×2.0 |
| 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, 60 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 (Ø250mm)
| Pressure | Force (both ways) | — |
|---|---|---|
| 0.5 MPa | 23562 N | 23562 N |
| 0.7 MPa | 32987 N | 32987 N |
| Max (@1.0 MPa) | 5006 kgf | |
Double-rod: the rod passes through both covers, so output force is equal in both directions.
Model Code: Airtac SGCD Dual Rod Cylinder SGCD250X25S
| SGCD | ISO 15552 tie-rod cylinder (double-rod type). |
|---|---|
| 250 | Bore size in mm (125 / 160 / 200 / 250). |
| ×25 | 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 SGCD250X25S Is Used
Twin-Tool Stamping
Drives two synchronized forming tools simultaneously from opposite rod ends, ensuring perfectly balanced high-tonnage pressing without rotational drift.
Symmetric Lift Platform
Lifts heavy platens using both rod ends to maintain parallel alignment, preventing the uneven tilting that often occurs with single-rod asymmetrical load paths.
Dual-End Diverting
Actuates sorting flaps or stops on parallel conveyor lanes using a single piston, with the rear rod end providing a mounting point for a position cam.
Is the Airtac SGCD Dual Rod Cylinder SGCD250X25S the Right Cylinder?
Sitting at the top of the SGCD range, this 250 mm bore cylinder outputs 23562 N each way at 0.5 MPa. If your application requires less force, stepping down to the 200 mm bore yields 15079 N under the same pressure. A double-rod configuration is the right call when you need anti-rotation guidance, twin tooling driven from both ends, or a symmetric load path to prevent side-loading. Available mountings include FA, LB, TC, FTC, TCM1, and TCM2. The -S magnet enables switch sensing. Because the 25 mm stroke is very short, external guide rails are less critical here than on long-stroke models, but always verify side-load limits.
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 SGCD250X25S FAQ
Because it is a double-rod cylinder, the force is equal in both directions. It provides 23562 N at 0.5 MPa and 32986 N at 0.7 MPa. The theoretical maximum force is 4805 kgf at 1.0 MPa.
No, a standard double-rod cylinder will drift if air pressure is lost, as the adjustable 60 mm air cushions only decelerate the piston near stroke end. To hold a load securely, you must install an external rod lock or a pilot-operated check valve.
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