真空ISO卡钳 CLAMP DOUBLE CLAW CLA
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