上装式偏心半球阀 DYQ40-6，DYQ40-10，DYQ40-16，DYQ40-20，DYQ40-25，



阀体
Valve body
碳钢WCB/不锈钢CF8
Carbon steel WCB
stainless steel CF8
碳钢WCB/不锈钢CF8
Carbon steel WCB
stainless steel CF8
碳钢WCB/不锈钢CF8
Carbon steel WCB
stainless steel CF8

01/23 12:48