Duplex Steel Bolt Bonnet Globe Valve 

The material of duplex steel globe valve covers 4A, 5A etc in casted steel and they are suitable for corrosive working medium, such as oil, acid, sea water.  Valve structure is same as other bolt bonnet globe valve,  flat and regulating disc, OS&Y, rising stem operated by manual  or actuator. Such type of globe valve is the best popular type shut off or adjusting valve in any kind of low pressure industrial pipelines. Valve pressure from class 150 to Class600 matching with valve size from 2  to 16". Other type of valve material also avaiable according to the requirments of pipeline, such as carbon steel, stainless steel, alloy steel or special steel etc.