Universal Flange Adaptor(wide range) Introduction Universal Flange Adaptors (Wide Range) are indispensable for creating flexible, durable, and leak-proof connections between pipes of different sizes and materials. Their ease of installation, wide range compatibility, and robust construction make them ideal for a variety of applications in water supply, industrial, municipal, firefighting, and irrigation systems. Universal Flange Adaptor(wide range) Drawing Standard Materials Of Main Parts NO Reference Material Standard 1 Sleeve Steel/ductile iron S235/EN1563 2 End Ring Ductile iron GGG450-10 En1563 3 Bolt And Nut Steel 8.8 Dacromet/Zinced ISO898-1 4 Gasket EPDM/NBR EN681-1 5 Coating FBE/Rilsan Nylon EN14901 Dimensions:(mm)