U Type Butterfly Valve

U-type butterfly valve is a butterfly valve characterized by a U-shaped flow channel in the valve body. It can cut off the medium or adjust the flow rate by rotating the butterfly plate. It is designed for special working conditions of high pressure, high temperature, particle-containing or corrosive media. Its core advantage is to optimize the fluid dynamic characteristics, reduce turbulence and vibration, and take into account the sealing reliability and maintenance convenience.

 

u type butterfly valve

 

Differences from other butterfly valves ‌
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Comparison of flow channel design ‌
‌Ordinary butterfly valve ‌: circular or straight flow channel, large fluid resistance (pressure loss coefficient ≥ 0.3), easy to generate eddy noise; ‌

U-type butterfly valve ‌: U-shaped flow channel optimizes the fluid path, reduces pressure loss by 40%-60%, and is suitable for large flow and low energy consumption scenarios.
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Difference in sealing performance ‌
‌Traditional soft-sealed butterfly valve ‌: Relying on a single elastic seal, with limited temperature and pressure resistance (usually ≤ PN16, temperature ≤ 150℃); ‌

U-type butterfly valve ‌: Double sealing design can withstand PN40 high pressure and 500℃ high temperature, suitable for harsh working conditions (such as power plant desulfurization system).

‌Installation and maintenance characteristics ‌
‌Ordinary butterfly valve ‌: The pipeline needs to be disassembled for maintenance, and the downtime is long; ‌

U-type butterfly valve ‌: The top-mounted structure allows online replacement of seals, and the maintenance efficiency is improved by more than 50%.

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