Korean Standard Handle Power 10K Pressure Wafer Butterfly Valve Introduction The handle butterfly valve has the advantages of simple structure, small volume and light weight. It is only composed of a few parts. ... قراءة المزيد
Korean Standard Worm Gear Driven10K Pressure Wafer Butterfly Valve Introduction The handle butterfly valve has the advantages of simple structure, small volume and light weight. It is only composed of a few ... قراءة المزيد
