Nivz Valves manufacture Jacketed Sight Flow Indicator in Flanged End Connection with Steam and Hot Oil Jacket Connection. Manufacturing Size range from DN25/25MM/1" to DN300/300MM/12" in body material Cast Carbon Steel, Stainless Steel 304L/316L/Super Duplex Steel/Alloy 20/Aluminium Bronze/Hastelloy C-22/C276 Materials and pressure rating up to PN16 Rating. We do exports Jacketed Sight Glass and Sight Flow Indicator more than 32 countries.