结构说明
单端面密封
平衡型
金属波纹管
可替代John Crane Type 670.676.680系列

RS-670.676.680系列应用广泛，适用于高温高粘度介质。动环O形圈不起补偿作用，因此波纹管移动没有阻尼。

运行参数
规格：18~150mm 或者 0.75”~6.00”
压力：≤2.5Mpa(双层波片≤5.0Mpa)
温度：-20℃~300℃
线速度：≤25m/s

材料组合
密封端面：石墨、碳化硅、碳化钨
辅助密封：丁腈橡胶、氟橡胶、乙丙橡胶、全氟橡胶
金属构成：304、316、Hast.C、4J42
波纹管：316、AM350、Hast.C、Alloy718

Profile
Single seal
Balanced
Metal bellows
John Crane 670.676.680 seal replacement

RS-670.676.680 series is widely used for high temperature and high viscosity medium. Its rotating O-ring has no compensational function so that the bellows can move without damp.

Operating limits
Specification: 16~100mm
Pressure: ≤2.5Mpa
(Double layer wave plate ≤5.0Mpa)
Temperature:-20℃~300℃
Linear speed: ≤25m/s

Combination of materials
Sealing face: Carbon, Silicon carbide, Tungsten carbide
Secondary sealing: NBR, FKM, EPDM, FFKM
Metal component: SS304, SS316, Hast.C, 4J42
Bellows: SS316, AM350, Hast.C, Alloy718