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VSAN Valves is a manufacturer exporter of industrial valves since 2018 , we have two manufacturing faclity Unit 1 have 8500 sqft machine shop inhouse manufacturing and testing of gate and butterfly valves . we also undertake OEM Manufacturing partnership with Foregin manufacturers .
ISO 9001:2015 Certified
FCRI Calibrated facility as per OIML Standared API 598 Testing facility inhouse in Unit 2
Butterfly valves are quarter-turn rotational motion valves used to isolate or regulate flow in pipelines by rotating a disc
90∘ Known for their compact, lightweight, and cost-effective design, they are widely used in water treatment, HVAC, chemical processing, and fire protection. They allow for quick operation but are generally better suited for on/off service rather than throttling.
Butterfly valve sizing requires matching the Nominal Diameter (DN/NPS) to pipe size, considering pressure ratings (PN10/16, Class 150), and calculating the flow coefficient (
𝐶𝑣
or
𝐾𝑣
) to manage pressure drops. Key dimensions include face-to-face length (wafer/lug), bore diameter, and actuator mounting. Standard sizes typically range from 50mm (2″) to over 1200mm (48″).
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