Airtac SGCD Dual Rod Cylinder SGCD250X150S
The AirTAC Airtac SGCD Dual Rod Cylinder SGCD250X150S is a genuine double acting, double rod ISO 15552 (orig. ISO 6431) tie-rod air cylinder with a Ø250mm bore and 150mm 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
- Stroke150 mm
- Port sizeG1
- Acting typeDouble acting, double rod
- Rod threadM42×2.0
- CushionAdjustable, 60 mm
About the Airtac SGCD Dual Rod Cylinder SGCD250X150S
Delivering 23562 N of equal thrust in both directions at 0.5 MPa, this large-bore ISO 15552 tie-rod cylinder uses a twin-rod piston to balance heavy loads perfectly. The four steel tie rods clamp the aluminium barrel securely, and because the rod passes through both covers, the pressure area stays identical on extension and retraction. This symmetric layout prevents torsional twist and provides a safe working load of roughly 14137 N, capable of vertically lifting about 1201 kg with a 2:1 safety margin.
The Ø250 bore features a G1 air port, a 50 mm piston rod, and adjustable 60 mm air cushions at each end to decelerate heavy masses smoothly. This -S variant includes a piston magnet for CMSG, DMSG, or EMSG position sensing. Note that TPU seals are unavailable for this bore size; standard NBR seals handle -20 to +70 C, while a Viton H option extends heat resistance up to 150 C.
Airtac SGCD Dual Rod Cylinder SGCD250X150S Technical Specifications
| Model | Airtac SGCD Dual Rod Cylinder SGCD250X150S |
|---|---|
| Series | SGC ISO 15552 tie-rod cylinder |
| Bore size | Ø250 mm |
| Stroke | 150 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 SGCD250X150S
| SGCD | ISO 15552 tie-rod cylinder (double-rod type). |
|---|---|
| 250 | Bore size in mm (125 / 160 / 200 / 250). |
| ×150 | 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 SGCD250X150S Is Used
Twin-Press Stamping
Drives two synchronized forming tools simultaneously from opposite rod ends, ensuring perfectly balanced pressing force across wide panels.
Symmetric Lift Platform
Lifts heavy platens with equal push and pull thrust, preventing platform skew and maintaining precise vertical alignment under eccentric loads.
Dual-End Diverters
Powers sorting flaps on both sides of a high-speed line using one actuator, saving space while maintaining perfectly timed product routing.
Is the Airtac SGCD Dual Rod Cylinder SGCD250X150S the Right Cylinder?
Sitting at the top of the SGCD range, this Ø250 bore outputs 23562 N each way at 0.5 MPa, serving heavy-duty applications where the smaller Ø200 bore (15079 N) lacks sufficient thrust. Choose a double-rod configuration when your mechanism requires anti-rotation guidance, twin tooling operation from one piston, or a symmetric load path to prevent side-loading. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2 brackets. The built-in -S magnet enables precise end-position detection with CMSG, DMSG, or EMSG switches. For any stroke length exceeding 500 mm, always use external guide rails to support the load 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 SGCD250X150S FAQ
Because the rod exits both ends, thrust is equal in both directions: 23562 N at 0.5 MPa and 32986 N at 0.7 MPa. The theoretical maximum is 4805 kgf at 1.0 MPa, which is the absolute pressure limit before the 1.5 MPa proof threshold.
No, a standard double-rod cylinder will drift if air pressure drops or the valve is centered, as the adjustable cushion only decelerates the piston near the end of the stroke. To suspend or hold a load safely, you must install an external rod lock or a pilot-operated check valve.
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