raised-face flange 凸面法兰
raised face flange 突面法兰 ; 凸面法兰 ; 光滑式密封面法兰
SRFF Socket Raised Face Flange 承插凸面法兰
small raised face flange 窄平面法兰盘
raised face welding neck flange 凸面对焊法烂 ; 凸面对焊法兰
Flange of raised face 突面法兰
It has a solid one-piece PTFE liner that extends over the raised face portion of the flange face to serve as the gasket.
阀体法兰突面上有聚四氟乙烯实体起垫片的作用。
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