Airtac SGCD Dual Rod Cylinder SGCD250X350
The AirTAC Airtac SGCD Dual Rod Cylinder SGCD250X350 is a genuine double acting, double rod ISO 15552 (orig. ISO 6431) tie-rod air cylinder with a Ø250mm bore and 350mm 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
- Stroke350 mm
- Port sizeG1
- Acting typeDouble acting, double rod
- Rod threadM42×2.0
- CushionAdjustable, 60 mm
About the Airtac SGCD Dual Rod Cylinder SGCD250X350
Delivering 23562 N of equal output force in both directions at 0.5 MPa, this large-bore tie-rod cylinder uses a twin-rod piston to balance the load path entirely. Four steel tie rods clamp the aluminum barrel to the covers, ensuring structural rigidity under high stress. It is dimensionally interchangeable per the ISO 15552 mounting interface, dropping easily into existing large-bore fixtures.
Because the rod passes through both covers, the pressure area remains identical on each side, yielding 32986 N at 0.7 MPa. This symmetric design prevents piston twist and provides a stable cam surface for external sensing. The unit features a G1 air port and a 60 mm adjustable air cushion at each end. Note that TPU seals are unavailable for this 250 mm bore; it uses NBR packings, with a Viton H option for 0 to 150 C environments. This SKU lacks the -S magnet and cannot accept CMSG or DMSG switches.
Airtac SGCD Dual Rod Cylinder SGCD250X350 Technical Specifications
| Model | Airtac SGCD Dual Rod Cylinder SGCD250X350 |
|---|---|
| Series | SGC ISO 15552 tie-rod cylinder |
| Bore size | Ø250 mm |
| Stroke | 350 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 SGCD250X350
| SGCD | ISO 15552 tie-rod cylinder (double-rod type). |
|---|---|
| 250 | Bore size in mm (125 / 160 / 200 / 250). |
| ×350 | 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 SGCD250X350 Is Used
Heavy Pallet Inversion
Drives a dual-sided mechanical inversion frame to flip loaded pallets, using the symmetric rod structure to prevent torsional twisting under high eccentric loads.
Equal-Force Forming Press
Clamps sheet metal from both ends simultaneously, utilizing the identical push and pull areas to maintain perfectly parallel die alignment during stamping.
Symmetric Platen Lowering
Lowers a heavy machining platen evenly using the through-rod design, ensuring the platform descends without binding despite substantial off-center tooling weight.
Is the Airtac SGCD Dual Rod Cylinder SGCD250X350 the Right Cylinder?
Selecting this 250 mm bore makes sense when your application requires massive bidirectional thrust, such as lifting roughly 1201 kg vertically with a 2:1 safety margin, or driving about 14137 N of real working load. If you do not need this capacity, stepping down to the 200 mm bore offers 15079 N at 0.5 MPa, while the 250 mm sits at the top of the SGCD range with a 4805 kgf maximum. Choose the double-rod configuration when you need anti-rotation stability, twin tooling driven from one piston, or a symmetric load path. Mounting options include FA, LB, TC, FTC, TCM1, and TCM2. For this 350 mm stroke, ensure external guide rails carry any side loads to prevent premature seal wear. Remember that a plain cylinder drifts on air loss; add an external rod lock or pilot-operated check valve if you need to hold a suspended load.
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 SGCD250X350 FAQ
The force is equal in both directions because the rod exits both ends. It outputs 23562 N at 0.5 MPa, 32986 N at 0.7 MPa, and a theoretical maximum of 4805 kgf at 1.0 MPa. It features a G1 air port, an M42x2.0 rod thread, and a 60 mm adjustable cushion on both ends.
No, this specific SKU does not include the -S magnet option, so it cannot accept CMSG, DMSG, or EMSG switches. You would need to order the -S variant for internal magnetic sensing, or use external mechanical limit switches to detect piston position.
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