Airtac SGCD Dual Rod Cylinder SGCD125X150S
The AirTAC Airtac SGCD Dual Rod Cylinder SGCD125X150S is a genuine double acting, double rod ISO 15552 (orig. ISO 6431) tie-rod air cylinder with a Ø125mm bore and 150mm stroke, G1/2 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.
- BoreØ125 mm
- Stroke150 mm
- Port sizeG1/2
- Acting typeDouble acting, double rod
- Rod threadM27×2.0
- CushionAdjustable, 40 mm
About the Airtac SGCD Dual Rod Cylinder SGCD125X150S
Delivering 5734 N of thrust in both directions at 0.5 MPa, the AirTAC SGCD125X150S uses a twin-rod design to equalize pressure areas for symmetric output. This genuine ISO 15552 tie-rod cylinder drops directly into standard large-bore mounting fixtures via its interface dimensions, while four steel rods clamp the aluminum barrel for high structural rigidity. It handles speeds of 30-500 mm/s and uses a G1/2 port.
Because a shaft exits both covers, you gain an anti-twist load path and a rear cam surface for CMSG/DMSG/EMSG sensors. The built-in magnet enables precise position detection. At 0.5 MPa this unit is good for about 3440 N of real work, roughly 292 kg lifted vertically with a 2:1 safety margin. Standard TPU seals handle -20 to +70 C, while a Viton H option extends heat resistance up to 150 C.
Airtac SGCD Dual Rod Cylinder SGCD125X150S Technical Specifications
| Model | Airtac SGCD Dual Rod Cylinder SGCD125X150S |
|---|---|
| Series | SGC ISO 15552 tie-rod cylinder |
| Bore size | Ø125 mm |
| Stroke | 150 mm |
| Acting type | Double acting, double rod |
| Port size | G1/2 |
| Rod thread | M27×2.0 |
| 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, 40 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 (Ø125mm)
| Pressure | Force (both ways) | — |
|---|---|---|
| 0.5 MPa | 5734 N | 5734 N |
| 0.7 MPa | 8027 N | 8027 N |
| Max (@1.0 MPa) | 1251 kgf | |
Double-rod: the rod passes through both covers, so output force is equal in both directions.
Model Code: Airtac SGCD Dual Rod Cylinder SGCD125X150S
| SGCD | ISO 15552 tie-rod cylinder (double-rod type). |
|---|---|
| 125 | 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 SGCD125X150S Is Used
Twin-Spindle Machining
Drives two opposing machining heads from one piston, utilizing the equal both-ways force to maintain synchronized cutting pressure.
Symmetric Transfer Gate
Uses the rod extending from the rear cover to mount a sensor cam, ensuring precise timing for a parts diversion gate without torsional twist.
Balanced Vertical Lift
Lifts roughly 292 kg of payload with a 2:1 safety margin, leveraging the twin-rod construction to prevent platen rotation during travel.
Is the Airtac SGCD Dual Rod Cylinder SGCD125X150S the Right Cylinder?
This 125 mm bore sits at the low edge of the SGCD family, offering 5734 N each way at 0.5 MPa. If you need less power, you must drop out of the double-rod series entirely, but stepping up to the 160 mm bore yields 9425 N of equal force. Choose a double-rod configuration when your mechanism demands anti-rotation guidance, twin tooling driven from one piston, or a symmetric load path. Mounting options include FA, LB, TC, FTC, TCM1, and TCM2. The -S suffix confirms your magnet is present for CMSG/DMSG/EMSG switches. For any stroke exceeding 500 mm, always support the load with external guide rails to prevent side-load binding.
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 SGCD125X150S FAQ
The push and pull force is equal both ways due to the double-rod design. It generates 5734 N at 0.5 MPa and 8028 N at 0.7 MPa, with a theoretical maximum of 1169 kgf at 1.0 MPa. It features a G1/2 air port and an M27x2.0 rod-end thread.
No, a standard double-acting cylinder will drift if air is lost or the valve is centered. The adjustable 40 mm air cushions only decelerate the piston near the end caps; they do not lock the load. For secure vertical holding, you must add an external rod lock or a pilot-operated check valve.
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