Manibhadra Metals is a trusted manufacturer, supplier, stockist, and exporter of ASME B16.48 Spectacle Blind Flanges in India. We supply Spectacle Blinds, Figure-8 Blinds, Spades, and Ring Spacers in various sizes, pressure classes, face types, standards, and material grades for oil and gas, petrochemical, refinery, power, chemical, and industrial piping applications.
A Spectacle Blind Flange consists of a solid disc and an open ring joined by a connecting web. The open section allows pipeline flow, while the solid section provides complete isolation. By rotating the component between mating flanges, the pipeline can be changed from an open position to a fully closed condition.
Manibhadra Metals supplies Spectacle Blind Flanges in accordance with ASME B16.48, ASME B16.5, ASME B16.47 Series A and B, MSS SP-44, EN 1092, DIN, BS, JIS, and AWWA C207. Available face types include Raised Face, Flat Face, and Ring Type Joint, with pressure ratings from Class 150 to 2500 and PN-rated options.
Our Spectacle Blind Flanges are available in Carbon Steel, Stainless Steel, Alloy Steel, Duplex, Super Duplex, Inconel, Monel, Hastelloy, Nickel Alloy, and other special materials. Standard sizes generally range from NPS 1/2″ to 24″, with custom dimensions, thicknesses, coatings, testing, and certification available as per project requirements.