带浮体环主管在标准主管基础上配备浮体环，提供额外的浮力支撑。这种配置广泛应用于浅水CALM系统，确保软管串在海面保持正确姿态。
The main hose equipped with flotation collars features flotation rings added to a standard main hose, providing additional buoyant support. This configuration is widely utilized in shallow-water CALM systems, ensuring that the hose string maintains the correct attitude at the sea surface.
| 参数Parameter | 规格Specification |
|---|---|
| 型号Model | GS81112-FC（单骨架）/ GS82112-FC（双骨架） |
| 内径Inside Diameter | 6″(150mm)-24″(600mm) |
| 工作压力Working Pressure | 15bar/ 19bar/ 21bar |
| 浮体环规格Float Collar Spec | 直径根据软管规格Perhosespec |
| 浮力储备Buoyancy Reserve | ≥20%(Min) |
| 适用水深Water Depth | ≤50m(Shallow Water) |
| 浮力增加Buoyancy Increase | +40% |
| 标准长度Standard Length | 9.1m/ 10.7m/ 12.2m |
