YFL double flange concentric butterfly valves have larger size range than wafer or lug type. The double flanges can be drilled according most worldwide flange standards for easy installation.
YFL double flange concentric
butterfly valves have wide range of materials for disc and seat to suit
different working medium. The disc materials can be GG25, GGG40, CF8, CF8M,
Alu-bronze, PTFE, WCB coated with PFA etc. The seat materials can be NBR, EPDM,
HYPALON, PTFE, PFA etc.
