Various Standards For Head Size

We offer concentric reducer standard products, including national, American, and British standards, as well as various non-standard stainless steel concentric reducer products. Flanges and tubesheets for pressure vessels meeting the Ministry of Electric Power's concentric pipe reducer standard comply with national standards such as steel pipe reducer, the Ministry of Machinery's 2 to 1.5 tri clamp reducer, the Ministry of Petrochemicals' conical reducer, the Marine Standard 3 to 2 tri clamp reducer, and the Ministry of Chemicals' tri clamp concentric reducer. Our exported forged steel flanges meet US concentric reducer fitting standards.