Welcome! ZZJG VALVE Factory Can Offer High Quality Line Blind Valves And Goggle Valves.
Blind flange, also known as blank flange, is a solid circular flange without a central bore, included flat Face(FF) blind flange and raised face(RF) blind flange. It isolates pipeline media, suitable for maintenance, temporary closure, or permanent blocking of fluid/gas flow.
Pressure: Class150-2500
Flange Facing: FF / RF / RTJ, etc
Surface: Oiled / hot dip galvanized, Pickling white, etc
Materials: Carbon Steel, Stainless Steel, Special Material
Standard: ANSI, API, DIN, EAC, JIS, CE, ISO, EN, GB
Designed without a central bore, it seals pipe or valve ends directly to effectively block media flow.
With bolt holes around its perimeter, it fastens to pipe flanges via bolts and uses gaskets for reliable sealing.
Made from carbon steel, stainless steel, etc., it suits various media, temperatures, and pressure conditions.
Used in oil, chemical, and water treatment sectors for maintenance or isolation, ensuring pipeline safety.
The professional 3D software for structural analysis, material selection and process planning to virtually simulate the reliability of materials under different temperatures, mediums andpressures, and finally validate them through finite element analysis to provide customers with safe and reliable products.
From raw materials to production, sealing performance testing, strength testing, functional testing, to surface quality testing and packaging and shipping, the whole process is strictly in accordance with API standards and support third-party independent organizations to test and certify our products.
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