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Butterfly Valve

High Performance Butterfly Valve

High Performance Butterfly Valve

High performance butterfly valve is a new type butterfly valve designed on the basis of absorbing the advantages of several butterfly valves with different structures. The valve plate sealing surface of the butterfly valve is spherical arc. The sealing mechanism achieves a real dynamic sealing through the system pressure, so it has excellent cutting performance and durability. It has small size, light weight, wide manufacturing range and easy maintenance.

Editing of Main Performance Parameters


valve body


Style Flat Casting Mold


Nominal diameter 80-600 mm


Nominal Pressure PN 1.6 ANSI150 JIS 10K


Connecting type and clamping type


Material ZG25


ZG0Cr17Ni12Mo2 and ZG1Cr18Ni9


Normal Temperature Mould for Upper Cover (Cast with Valve Body): - 45 C-+200 C


High temperature type+200 degree C-+500 degree C


Valve components


Valve Plate Form Partial Spherical (Seal Ring Contact Type)


Flow characteristics approximate equal percentage characteristics


Valve plate material


ZG0Cr17Ni12Mo2 and ZG1Cr18Ni9 + Hard Chromium ZG0Cr17Ni12Mo2 and ZG1Cr18Ni9 + Surfacing Hard Alloys


Valve plate angle


90 degrees (with RC and ZSH actuators)


60 degrees (with HA film actuator)


Seat material


Hard Seal (0Cr17Ni12Mo2) Soft Seal (PTFE+Molybdenum Disulfide)


Bearing material 0Cr17Ni12Mo2


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