All rubber lined butterfly valve flange

Introduction
Butterfly by our company in this newly developed soft-sealing Eccentric Flanged Butterfly Valve, mainly applicable to waterworks, power plants, steel smelting, paper making, chemical industry, food supply, drainage and other systems, especially for water pipes on the road, as the regulator and the closure devices.
Features
A simple structure, compact, 90-degree rotation to open quickly
2, reasonable design, easy disassembly, easy repair
3, using eccentric structure, reducing the friction ring to extend valve life
4, completely sealed, leakage is zero
5, the replacement valve plate seals, O-ring, butterfly plate, shaft and other material, applied a variety of media and different temperatures.
Products comply with standards
1, the products meet GB12238-89 "universal valve flange and the butterfly clip to connect the" standard
2, tests were consistent with GB/T13927-92 "Universal Valve pressure test" standard
3, lateral flange in line with GB/T17241.6-1998 "the whole cast iron pipe flange", GB4216.4-4216.5-84 "gray cast iron pipe flanges and gaskets," standards, respectively, in line with BS4504, ISO25048, DIN2501 in The PN1.0Mpa, PN1.6Mpa flange connection standards.