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072020-01Valve is an important component in the pipeline system of petrochemical plant. It is one of the main leakage sources in the plant because of its variety and quantity...
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282019-12In the complete set of water supply equipment, whether no negative pressure water supply equipment or variable frequency constant pressure water supply equipment...
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212019-12Water treatment industry is a multidisciplinary and knowledge-intensive high-tech industry, which is an important symbol of the development level of national environmental protection industry...
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142019-121. The handwheel and handle of manual valve are designed according to the hand force of ordinary people, considering the strength of sealing surface and necessary closing force...
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072019-12Heat treatment technology is an important means to obtain good properties of various metal materials.In many practical applications, reasonable selection of materials and various forming processes can not meet the mechanical properties...
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302019-11According to incomplete statistics, the number of enterprises lacking smelting workers, molding workers, engineers,quality control and management personnel in China's foundry industry is about 58%, 20%, 50%, 34%...
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232019-11ISO 9001 quality system certification, ISO 14001 environmental management system certification, OHSAS 18000 occupational health and safety management system certification, eu CE certification, pressure vessel PED directive, API certification...
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162019-11Recently, the state administration for market supervision and administration of China (Standardization Administration of China) approved and issued 343 national standards and 2 revision orders of national standards, including...
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092019-11The 18th Russia international exhibition of pump valves, compressors, actuators and engines (PCV exhibition for short) held in Moscow, Russia.
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312019-10The strength of the valve is the ability of the valve to withstand medium pressure.Valves are mechanical products under internal pressure and must have sufficient strength and stiffness to ensure long-term use without breaking or deformation.
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