butterfly valves

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Introduction of Eccentricity in Double Eccentric Butterfly Valve

Introduction of Eccentricity in Double Eccentric Butterfly Valve

Double eccentric butterfly valve has two eccentrics，generally do two-way sealing，the opening of double eccentric butterfly valve can make the valve disc quickly detach from the valve seat。

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Double Eccentric Butterfly Valve

centerline butterfly valves

single eccentric butterfly valves

butterfly valves

metal-to-metal seals

zero-leakage seal

two-way sealing

eccentrics

The sealing device is the key component of the valve sealing

The sealing device is the key component of the valve sealing

The sealing device of  the valve is the key component to ensure the sealing performance of the valve, which usually consists of sealing ring, packing and so on. the device is used to fill in between the valve stem and bonnet to prevent fluid leakage.

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sealing device

the valve sealing

The sealing device of valve usually consists of sealing ring, p

the packing device material is usually rubber or PTFE plus copper

butterfly valves

gate valves

silent check valve

swing check valve

air valve