接盘垫;接盘垫

注意：闸阀的法兰垫圈螺栓在安装期间应该重新紧固，因为在库存和运输时这些螺栓可能会松懈。

girth flange

lapped flange

flange ring, split

spacer flange

between-flange assembly (intermediate pipe member)

raised-face flange

wide flange beam

blind flange