dyfnc.comdyfnc.com/05_sub/6.pdf · CL.B WCB cpp, PE, PVDF . Other . Characteristics of Diaphragm...
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dyfnc.comdyfnc.com/05_sub/6.pdf · CL.B WCB cpp, PE, PVDF . Other . Characteristics of Diaphragm Valve ... hole test Treatment on the surface of valve 3. Fluorine resin lining