Airtac SGC Standard Cylinder SGC125X350S
The AirTAC Airtac SGC Standard Cylinder SGC125X350S is a genuine double acting ISO 15552 (orig. ISO 6431) tie-rod air cylinder with a Ø125mm bore and 350mm 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
- Stroke350 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM27×2.0
- CushionAdjustable, 40 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SGC Standard Cylinder SGC125X350S
Delivering 6136 N of push force at 0.5 MPa, this double-acting ISO 15552 tie-rod cylinder handles large-bore automation with ease. Four steel tie rods clamp the aluminum barrel to the covers for high rigidity, while the two-way piston seal maintains an internal oil reservoir for long service life. The G1/2 port and M27x2.0 rod thread match the 125 mm bore standard.
Because the code ends in -S, a built-in piston magnet is included for CMSG, DMSG, or EMSG position switches. Plan for about 3682 N of real work at 0.5 MPa, which translates to lifting roughly 313 kg vertically with a 2:1 safety margin. The adjustable 40 mm air cushions at both ends decelerate the piston smoothly over the 350 mm travel.
Airtac SGC Standard Cylinder SGC125X350S Technical Specifications
| Model | Airtac SGC Standard Cylinder SGC125X350S |
|---|---|
| Series | SGC ISO 15552 tie-rod cylinder |
| Bore size | Ø125 mm |
| Stroke | 350 mm |
| Acting type | Double acting |
| 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 | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 6136 N | 5734 N |
| 0.7 MPa | 8590 N | — |
| Max (@1.0 MPa) | 1251 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SGC Standard Cylinder SGC125X350S
| SGC | ISO 15552 tie-rod cylinder (double-acting type). |
|---|---|
| 125 | 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 SGC Standard Cylinder SGC125X350S Is Used
Pallet Diversion Gate
Actuates a heavy routing flap on a packaging line to divert 300 kg pallets onto a side spur without overwhelming the 6136 N push capacity.
Vertical Lift Door
Raises a 250 kg industrial safety door over 350 mm of travel, relying on the built-in magnet for DMSG sensors to confirm door closure.
Press Ejection Arm
Pushes formed metal components out of a hydraulic press bed, using the adjustable 40 mm air cushions to soften the ejection impact.
Is the Airtac SGC Standard Cylinder SGC125X350S the Right Cylinder?
This 125 mm bore sits at the entry point of the SGC large-frame family, offering 6136 N push at 0.5 MPa. If your application requires less force, you must step outside the SGC series, as there is no smaller bore in this ISO 15552 lineup. If you need more thrust, the 160 mm bore provides 10053 N at the same pressure. The included -S magnet allows direct mounting of CMSG, DMSG, or EMSG sensors without aftermarket modifications.
At a 350 mm stroke, the Ø32 mm piston rod extends far enough that side loads can induce bending moments. Use a guide rail or external bearing to support the load and prevent rod deflection. Remember that a standard double-acting cylinder drifts when air is lost or the valve is centered; the air cushion only decelerates the stroke end and does not act as a brake. Install an external rod lock or pilot-operated check valve if the load must be held in place vertically.
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 SGC Standard Cylinder SGC125X350S FAQ
The 125 mm bore generates 6136 N push and 5734 N pull at 0.5 MPa, or 8590 N push and 8028 N pull at 0.7 MPa. The theoretical maximum force is 1251 kgf at 1.0 MPa. It uses a G1/2 air port and a 32 mm diameter piston rod.
Yes. The SGC series is dimensionally interchangeable per the ISO 15552 mounting interface, so it drops directly into existing large-bore fixtures. The tie-rod construction allows you to use standard LB foot mounts, FA flanges, or TC trunnions designed for this ISO profile.
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