Airtac SGCD Dual Rod Cylinder SGCD250X700S
The AirTAC Airtac SGCD Dual Rod Cylinder SGCD250X700S is a genuine double acting, double rod ISO 15552 (orig. ISO 6431) tie-rod air cylinder with a Ø250mm bore and 700mm 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
- Stroke700 mm
- Port sizeG1
- Acting typeDouble acting, double rod
- Rod threadM42×2.0
- CushionAdjustable, 60 mm
About the Airtac SGCD Dual Rod Cylinder SGCD250X700S
Delivering 23562 N of thrust in both directions at 0.5 MPa, this large-bore ISO 15552 tie-rod cylinder uses a twin-rod piston to equalize output force. The double-rod layout prevents rotation and provides a symmetric load path, while the four steel tie rods clamp the aluminum barrel securely to the covers. It features a G1 air port and a 60 mm adjustable air cushion at each end.
Because the -S suffix denotes a built-in piston magnet, the unit is ready for CMSG, DMSG, or EMSG switches. This bore omits TPU seals in favor of NBR packings, with a Viton H option for 0 to 150 C heat. The 23562 N rating yields a safe working load of roughly 14137 N, capable of lifting about 1201 kg vertically with a 2:1 margin.
Airtac SGCD Dual Rod Cylinder SGCD250X700S Technical Specifications
| Model | Airtac SGCD Dual Rod Cylinder SGCD250X700S |
|---|---|
| Series | SGC ISO 15552 tie-rod cylinder |
| Bore size | Ø250 mm |
| Stroke | 700 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 SGCD250X700S
| SGCD | ISO 15552 tie-rod cylinder (double-rod type). |
|---|---|
| 250 | Bore size in mm (125 / 160 / 200 / 250). |
| ×700 | 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 SGCD250X700S Is Used
Twin-Tool Pressing
Drives two synchronized forming tools simultaneously from opposite rod ends, ensuring perfectly balanced pressing force without rotational drift.
Symmetric Lift Platform
Lifts heavy platens evenly using both rod ends to share the structural load, maintaining precise vertical alignment under high payload.
Dual-End Diverting
Actuates diverter gates on parallel conveyor lanes using a single piston, with the rear rod carrying a cam to trigger EMSG sensors.
Is the Airtac SGCD Dual Rod Cylinder SGCD250X700S the Right Cylinder?
As the largest bore in the series, this 250 mm model sits at the high edge of the range, stepping up from the 200 mm version which provides 15079 N each way at 0.5 MPa. Choose a double-rod configuration when your application demands anti-rotation guidance, twin tooling driven from both ends, or a sensor cam on the back side. Mounting options include FA, LB, TC, FTC, TCM1, and TCM2. The -S magnet enables position sensing. Because the 700 mm stroke is long, always provide external guide rails to prevent rod bending and absorb side 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 SGCD250X700S FAQ
Force is equal both ways due to the double-rod design: 23562 N at 0.5 MPa and 32986 N at 0.7 MPa, with a theoretical max of 4805 kgf at 1.0 MPa. It uses a G1 air port, an M42x2.0 rod thread, and a 60 mm adjustable cushion.
No, the air cushions only decelerate the piston near the stroke ends and do not act as a brake. The piston will drift on air loss, so you must use an external rod lock or a pilot-operated check valve to hold a load securely.
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