@world.of.engineer97: #🧠🧠Flow Isolation vs. Flow Balancing 🚰 Why throttling with a gate valve ruins your flow control. ​Internal geometry determines flow behaviour and pressure loss. ​To visualize why, I ran a transient CFD simulation using AeroJAX, the framework I am building in JAX, to capture the distinct internal hydraulics of each design. ​Under identical inlet flow rates (left-to-right): 🔹 Globe Valve (Top): Features a tortuous S-shaped flow path that forces the fluid through controlled directional changes, creating a predictable pressure drop suitable for throttling and precise flow regulation. ​🔹 Gate Valve (Bottom): Features a straight-through path designed for minimal resistance when fully open. When misapplied for throttling, the partially closed gate creates a high-velocity jet underneath the wedge, inducing severe downstream turbulence, localized vibration, cavitation risk, and rapid seat erosion. ​Engineering Rule of Thumb: 🚪 Gate valves ➔ Isolation only (fully open or fully closed) 🎛️ Globe valves ➔ Flow regulation and balancing ​Same pipe size. Same flow rate. Completely different internal hydraulics. ​💡 For piping, MEP, and HVAC engineers: What is the worst valve misapplication or field failure you have seen in practice?

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Friday 24 July 2026 13:44:30 GMT