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Charlotte Stonestreet
Managing Editor |
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Valve body design turns a corner
27 August 2014
A new modular valve body design pioneered in Bürkert's latest INOX range of space saving modular valve bodies has increased the flow coefficient of a conventional angle seat valve, reducing energy requirements and improving system flow characteristics.

Conventional valve systems are designed so that the inlet to the valve and the outlet from the valve are at one level. Inside the valve, the fluid flow is conducted through a seat, which requires redirecting the fluid three times. This causes flow losses in the valve, which negatively affect the Kv value (flow coefficient for a valve).
In the new, modular basic body, the inlet level and outlet level are separate. Since the fluid flow now only has to be redirected once through 180˚, this increases the flow coefficient.
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