PN25 LUG Metal Seated Butterfly Valve

PN25 LUG Metal Seated Butterfly Valve

ZFV PN25 LUG metal seated butterfly valve. Valve shown in photo is lever operator valve. The metal to metal seated butterfly valve have special design for sealing part. As we know normally laminated triple offset butterfly valve achieve sealing function at a circle line of contacting surface,...

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ZFV PN25 LUG metal seated butterfly valve. Valve shown in photo is lever operator valve. The metal to metal seated butterfly valve have special design for sealing part. As we know normally laminated triple offset butterfly valve achieve sealing function at a circle line of contacting surface, but metal to metal seated butterfly valve is different design, which is face sealing design. It needs to grind and polish sealing surface to spherical, shut down tightly with body seat sealing surface. 


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