Foreign matter may be lodged between disc (20) and seat ring (19). Remove blind flange (24) to inspect.
Foreign matter may be lodged between disc (20) and seat ring (19). Remove blind flange (24) to inspect.
外在物质可能淤积在阀瓣(20)和阀座环(19)之间。拆卸法兰盖(24)进行检查。
Foreign matter may be lodged between disc (20) and seat ring (19). Remove blind flange (24) to inspect.
外在物质可能淤积在阀瓣(20)和阀座环(19)之间。拆卸法兰盖(24)进行检查。