橡胶柔性伸缩接头设计用于管道系统，以吸收管道运动，减轻应力，降低系统噪音/振动，并补偿不对中/偏移，并保护旋转机械设备免受启动冲击力。

Rubber flexible expansion joints are designed for use in piping systems to absorb piping movement, reduce stress, reduce system noise/vibration, compensate misalignment/offset, and protect rotating machinery from start-up shock.

制作松夏单球橡胶接头材料

Make single ball rubber joint material of songxia
1、（外层和内层）：EPDM NBR和氯丁橡胶

1. (outer and inner layer) : EPDM, NBR and neoprene
2、增强层：尼龙织物与橡胶

2. Reinforcement layer: nylon fabric and rubber
3、线材：不锈钢丝

3. Wire: stainless steel wire
4、法兰材料：碳钢，不锈钢和球墨铸铁铁

4.Flange material: carbon steel, stainless steel and ductile iron