Zhejiang Weidu Li Valve Manufacturing Co., Ltd. successfully developed the latest "double-valve insulation jacket cut-off valve", the development of its dual-valve stem Features: 1, the lower stem is one structure, high concentricity, , The closing force is small, reliable sealing; 2, the body cavity of the valve body can be achieved over the smooth, non-crystalline crystal corner, which can effectively prevent the crystallization of the media; 3, the lower stem only for lifting movement, packing parts reliable seal Long life, compact, The manufacturing process is good; 4, mainly used in petroleum, chemical, metallurgy, pharmaceutical and other systems to transport high viscosity medium will be solidified at room temperature; 5, jacket welding on both sides of the valve flange, the valve The side or bottom of the jacket connector, the jacket can freely flow through the steam or other hot insulation medium, to ensure that the viscous medium can flow smoothly through the valve. Valve Valve Co., Ltd. Zhejiang Weiduli double valve stem insulation jacket cut off valve since put on the market, favored by the majority of users, the favorable features of its dual valve stem will be a replacement for the old insulation globe valve, The valve company has already declared a patent to the State Intellectual Property Office and favors the protection of its own intellectual property rights. Therefore, no other unit or individual may produce or imitate it, or else its legal liability will be investigated according to law. !
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