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Introduction Butterfly control valves are quarter-turn valves that use a metal disc to control fluid flow through a pipeline. The disc is positioned perpendicular to the flow, and when the valve is rotated, the disc opens or closes to regulate the fluid flow. Butterfly control valves...

Low Emissions Certification has been awarded to Value Valves for both the VF-9 Series Double Offset Butterfly Valve and VF-8 Series Triple Offset Butterfly Valve Series. Performed by TUV, Value Valves now carry the Certificate of Conformity with Volatile Organic Compounds (VOC) Fugitive emissions Testing of Valve According to ANSI/ISA...