KF SOCKET WELD FLANGES LONG

KF WELD STUB FLANGES SHORT

KF BLANK FLANGES

NW BLANK FLANGES，NW法兰盲板

NW WELD FLANGES，NW法兰，NW真空接

ISO BLANK FLANGESISO盲板

ISO BORED FLANGESISO 内焊法兰

HALF NIPPLES

BLANK FLANGESBOLTED，ISO固定法兰盲