Seating faces: Stellite 6 is used to prevent seizing and galling. When extremely tight shutoff is required, globe and check valves are supplied with Neoflon, PTFE or other soft inserts.

• 阀座面:采用钨铬钴合金6,避免磨损和擦伤。如果需要紧密关闭,截止阀和止回阀都会配置四氟乙烯、PTFE或其它软镶嵌件。