应用范围：用于钻井、固井、修井等作业中，作为泥浆管汇、固井管汇等的柔性连接件，在高压下输送水基泥浆、油基泥浆等。

　　内胶层：NBR或HNBR或PPFE

　　外胶层：耐磨合成橡胶

　　增强层：2-6层钢丝缠绕结构的增强层

　　温度范围：-40℃∽+260℃

　　Application: Used in drilling, cementing, repairing and other operations, as a flexible joint of mud pipe sink, cement well pipe sink, etc., conveying water-base mud, oil-base mud and so on under high pressure.

　　Inner tube: NBR or HNBR or PPFE

　　Outer layer: wear-resistant synthetic rubber layer

　　Reinforcement: the reinforcing layer of 2-6 layers wire wound structure

　　Temperature range: -40℃∽+260℃