| 1. | Flat disc . floating stem - disc engagement , hardfaced with 13 cr , stellite 6 , ss 316 or monel , ground and lapped with seat . disc in ss 316 hardfaced with stellite 6 also available 平面阀瓣。浮动的阀杆-阀瓣啮合, 13cr 、钨铬钴合金6 、不锈钢316或蒙乃尔表面硬化、研磨抛光的阀座。表面钨铬钴合金6硬化的316不锈钢阀瓣也可供用户选择。 |