A good sealing surface, a good gloss.

密封性良好，表面光泽度良好。

Ideal for valve sealing surface of the ultra-precision machining.

最适用于阀门密封面的镜面滚压加工。

The inner surface at one end of metal insert is cone-shaped sealing surface.

上述金属嵌件一端部的内表面为锥形的密封面。

To ensure tight closure, and the valve seat valve sealing surface of the ground.

为了保证关闭严密，阀瓣与阀座密封面进行的研磨。

Imports of cut-off valve stem and valve seat sealing surface perpendicular to the axis.

进口截止阀的阀杆轴线与阀座密封面垂直。