Oil Burning Valve 燃油快关阀
Valve Burning. This is usually an exhaust-valve problem. Any condition that prevents normal exhaust-valve seating may lead to valve Burning.
这种情况通常发生在排气门。任何妨碍排气门密封面贴合的情况都会导致气门烧伤。
The allowable shut-off time of fast shut-off valve is calculated by inferred formula and selection way of fast shut-off valve in the gas supply system of gas burning boiler is summarised.
通过推导公式计算快速切断阀的允许切断时间，并总结燃气锅炉供气系统中快速切断阀的选择方法。
Original control principle of hydraulic and electric system have been changed in de-sign of equipment to avoid defects such as folding, burning etc produced in upsetting of large air valve preform.
为防止大气门毛坯在热镦粗过程中产生的折叠、过烧等缺陷，在设计设备时改变了原有的液压控制和电气控制原理。
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