Airtac SGCD Dual Rod Cylinder SGCD250X800
The AirTAC Airtac SGCD Dual Rod Cylinder SGCD250X800 is a genuine double acting, double rod ISO 15552 (orig. ISO 6431) tie-rod air cylinder with a Ø250mm bore and 800mm 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
- Stroke800 mm
- Port sizeG1
- Acting typeDouble acting, double rod
- Rod threadM42×2.0
- CushionAdjustable, 60 mm
About the Airtac SGCD Dual Rod Cylinder SGCD250X800
Delivering 23562 N of thrust in both directions at 0.5 MPa, this large-bore tie-rod cylinder uses a twin-rod piston to provide perfectly symmetric load paths. The equal-both-ways output makes it good for about 14137 N of real work, roughly 1201 kg lifted vertically with a 2:1 margin. A rod exits each cover simultaneously, which prevents torsional twist and allows you to mount a sensor cam or drive a second tool from the back end.
Built on the ISO 15552 mounting interface, it drops directly into existing large-bore fixtures without custom brackets. Four steel tie rods clamp the aluminum barrel for high structural rigidity, and the G1 air port feeds the 50 mm piston rod. Note that this 250 mm bore skips TPU seals entirely, using NBR packings instead, with a Viton H option available for 0-150 C heat. This specific SKU lacks a magnet, so it cannot accept CMSG, DMSG, or EMSG switches without upgrading to the -S variant.
Airtac SGCD Dual Rod Cylinder SGCD250X800 Technical Specifications
| Model | Airtac SGCD Dual Rod Cylinder SGCD250X800 |
|---|---|
| Series | SGC ISO 15552 tie-rod cylinder |
| Bore size | Ø250 mm |
| Stroke | 800 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 SGCD250X800
| SGCD | ISO 15552 tie-rod cylinder (double-rod type). |
|---|---|
| 250 | Bore size in mm (125 / 160 / 200 / 250). |
| ×800 | 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 SGCD250X800 Is Used
Heavy Pallet Lifting
Drives large automated pallet elevators where the symmetric 23562 N force at 0.5 MPa ensures stable vertical travel without shifting load centers.
Twin-Spot Machining
Mounts dual machining heads on opposite ends of the through-rod to perform simultaneous opposing cuts, using the rigid tie-rod frame to resist deflection.
Heavy Press Deceleration
Uses the 60 mm adjustable air cushions at both stroke ends to safely slow massive press plungers over the 800 mm travel distance.
Is the Airtac SGCD Dual Rod Cylinder SGCD250X800 the Right Cylinder?
Sizing this double-rod unit means balancing your spatial envelope against force needs. If 23562 N at 0.5 MPa is excessive, the neighboring 200 mm bore provides 15079 N both ways; conversely, the 250 mm bore is the top tier of the SGCD range. A twin-rod design is the right call when you need anti-rotation guidance, symmetric load distribution, or rear-end tooling. Mounting options include FA, LB, TC, FTC, TCM1, and TCM2. Because this unit has an 800 mm stroke, you must use external guides to prevent rod bending under side loads. Remember that a non-S SKU cannot support magnetic sensing, and a plain cylinder will drift on air loss, requiring an external rod lock for load holding.
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 SGCD250X800 FAQ
Because it is a double-rod cylinder, force is equal both ways using the rod-side area. It outputs 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 and an M42x2.0 rod thread.
No, this specific SKU does not include a magnet. You must select the -S variant to use CMSG, DMSG, or EMSG magnetic switches. Also, the air cushions only decelerate the piston near stroke end; they do not hold the load, so use an external rod lock for vertical safety.
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