止回阀是一种依靠介质本身的流动而自动启、闭阀瓣用来阻止介质逆向流动的自动阀门,沪阀阀门有DJ41Y-25P低温截止阀
J41F46-16C聚全氟衬里截止阀
J41H-300Lb美标截止阀
J961Y电站截止阀
WJ41H波纹管法兰截止阀
J41H-64C锻钢截止阀
Jy41W/Y氧气专用截止阀
J41N-25/40液化气截止阀
J61Y压力自紧式阀盖
J61Y焊接式截止阀
J11H-64锻钢截止阀
BJ41W保温截止阀