Material: Carbon Steel Using veneer case or plywood case of outside, linoleum and plastic cloth of inside dampproof, or other methods according to the requirements of our clients.Materials: Carbon Steel, Stainless Steel, Alloy SteelTechnics: ForgedSize: from 1/2 to 200 inch (DN15-DN6000)Types Of Products: Wnrf (Wnff), Sorf (Soff), Blrf (Blff), Swrf (Swff), Plrf (Plff), Ljrf (Ljff), Spectacle Flg8 ...