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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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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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242019-10The function, structure characteristic and performance test of backflow preventer are introduced.
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282019-09Valve is the fluid system used most of a control component, can be used for switching or control flow direction and regulation, and from the simplest cut off function, the valve seal in the machine...
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212019-09The most common reason is that the operation manager does not maintain the valve in consideration of relatively expensive maintenance costs, or the lack of scientific valve management and ...
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102019-08Pneumatic valve is a kind of compressed air to drive the operation of the valve actuator, its opening and closing speed is relatively fast, often used for fast two cut off use, can also be used to regulate the flow of use...
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202019-07The ultraviolet aging test chamber USES the ultraviolet lamp as the lamp source, and simulates the ultraviolet radiation source in the natural sunlightAnd cold doubt...
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222019-06It is well known that the flow rate and velocity of the valve mainly depends on the size of the valve, but also with the valve structure type of the resistance to the medium...
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152019-06With the rapid development of offshore oil and gas industry technology and people's demand for energy, the development of deepwater oil and gas fields will become the future offshore oil industryThe focus of industry development...
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232019-03Recently, the Electrical Instrument Department of the Material and Equipment Department of Sinopec and Nanjing Valve Supply and Reserve Center of China Petrochemical Co., Ltd. organized...
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