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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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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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162019-10The characteristics and applications of all kinds of universal valves and special valves are simply described
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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 ...
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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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DONGGUAN JINYING VALVE AUTOMATION TECHNOLOGY CO., LTD.
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