TOZEN BFW-WB25 PN25 Wafer Type Butterfly Valve Size DN50-DN350, DN400-DN600. Specification Material : Part Material Body Ductile Iron Disc Ductile Iron Aluminum BronzeStainless Steel 304 Stainless steel 316 Seat Ring EPDM NBR Shaft Stainless steel 431 Taper pins Stainless steel Read more…











