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• China International Nickel Cobalt Lithium Summit Forum Weidouli Valves Co., Ltd attend 2021 (sixth) China International Nickel Cobalt Lithium Summit Forum.About 2,000 elites in the nickel, cobalt and lithium industry, and industry scholars participated in...
• The Working Principle and Pressure Test Method of Ball Valves and Gate Valves Ⅰ. Ball valves1. The working principles of ball valvesThe definition of a ball valve is a valve in which the opening and closing part (ball) is driven by the valve stem and rotates around the axis of...
• Tantalum Gate Valves With excellent chemical properties and high corrosion resistance, tantalum valves do not react to hydrochloric acid, concentrated nitric acid and aqua regia under cold and hot conditions, and will not...
• New API 607, API 608, API 609 certificae Weidouli is an enterprise with a history of more than 30 years. The company has over 30 R&D personnel. As the company's R&D investment gradually increases, the company's technological ...
• The Rough Heat Treatment Process of Titanium Ball Valve Body 1. Heat treatment of gray cast iron of titanium ball valveIn order to achieve different purposes, gray cast iron can undergo different heat treatments after casting. In the production of titanium ball...
• WSV Catalogue for Chemical Industry
• Plug Valve Technical Break Weidouli is an enterprise with a history of more than 30 years. The company has over 30 R&D personnel. As the company's R&D investment gradually increases, the company's technological ...
• Application of Titanium Valves 1. Introduction of titanium valvesUsually people choose different types and specifications of titanium valves according to different needs, especially in the petrochemical industry titanium valves are...
• Summary of Failure Types of Stainless Steel Gate Valve Leakage 1. Leakage at the junction of stainless steel gate valveFirst, check whether the valve and valve connecting bolts are tightened. If they are not tightened, the internal sealing ring and the flange sea...
• WSV General Catalogue(special alloy)
• Butterfly Valves Butterfly valves of Weidouli are widely used in chemical industry, petrochemical industry, marine development, smelting, etc.
• Weidouli's Growing Performance is First Quarter After the Spring Festival, Weidouli resumed production. Under the influence of the epidemic in 2020, performance has reached the same level as 2019. This year, we got rid of the impact of the epidemic...
• Structural Characteristics of Fully Welded Ball Valves 1. Structure of fully welded ball valveThe valve body of the ball valve is produced by welding six partially forged shells after assembly. The structure is compact and the whole ball valve is integrat...
• Plug Valves Weidouli has developed a new type of plug valves for severe corrosion, high temperature, high pressure and other harsh conditions.
• Technical Characteristics of the Ball Valve The ball valve is the valve that uses a sphere with a circular through hole as the opening and closing part, and the sphere rotates with the valve stem to realize the opening and closing action. The b...