DERVOS swing type blind valves are manufactured exclusively from metallic materials such as carbon steel, alloy steel, stainless steel, and duplex stainless steel, ensuring durability and reliability in demanding pipeline isolation applications. Typical ASTM body materials include WCB, LCB, LCC, WC6, WC9, CF8, and CF8M. The blind and spacer plates can be customized in materials such as F304 or F316, while sealing options including PTFE, graphite, or stainless steel combined with graphite provide reliable performance under high-temperature and tight shut-off conditions. All valves can be tailored to specific project requirements. DERVOS ensures strict quality control through a comprehensive system covering design, manufacturing, and testing, complying with standards including PED CE, UKCA, EAC, API 6D, API 6FA, API 607, ISO 9001, ISO 45001, ISO 15848, and ATEX.
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