燃气电磁阀工作原理

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原文：
国内外的燃气电磁阀从原理上分为三大类，而从阀瓣结构和材料上的不同与原理上的差别又分为六个分支小类。一、直动式燃气电磁阀：电磁线圈发生电磁力把封闭件从阀座上提起，燃气电磁阀工作原理：通电时。阀门打开；断电时，电磁力消散，弹簧把封闭件压在阀座上，阀门封闭。但通径一般不超过25mm电磁阀特点：真空、负压、零压时能正常工作。二、散布直动燃气电磁阀：当进口与入口没有压差时，燃气电磁阀工作原理：一种直动和先导式相联合的原理。通电后，电磁力直接把先导小阀和主阀封闭件依次向上提起，阀门打开。当进口与出口达到启动压差时，通电后，电磁力先导小阀，主阀下腔压力上升，上腔压力降落，从而利用压差把主阀向上推开；断电时，先导阀利用弹簧力或介质压力推动封闭件，向下移动，使阀门封闭。但功率较大，电磁阀特点：零压差或真空、高压时亦能可*动作。请求必需水平装置。三、先导式燃气电磁阀：燃气电磁阀把先导孔打开，燃气电磁阀工作原理：通电时。上腔室压力敏捷降落，封闭件四周形成上低下高的压差，流体压力推动封闭件向上移动，阀门打开；断电时，弹簧力把先导孔封闭，进口压力通过旁通孔敏捷腔室在关阀件四周形成下低上高的压差，流体压力推动封闭件向下移动，封闭阀门。可任意安装(需定制)但必需满足流体压差条件。电磁阀特点：流体压力范畴上限较高。

“Gas solenoid valve works”,是由中国电磁阀网提供的国际阀门新闻，译文仅供参考。另外，中国电磁阀网还提供相关产品搜索：出口电磁阀、防爆电磁阀、蒸汽电磁阀、液体电磁阀、气体电磁阀、等。

译文：
Gas solenoid valve works Domestic gas solenoid valve is divided into three categories from the principle, and from the valve on the different structures and materials and the difference principle is divided into six branch categories. First, the direct-acting gas solenoid valve: Occurrence of electromagnetic force electromagnetic coil from the valve seat to lift the closure piece, gas solenoid valve works: when the power. Valve open; power, the electromagnetic force dissipated, the closure of the spring pressure on the seat parts, valve closed. But not more than 25mm diameter solenoid valve features: vacuum, negative pressure, zero pressure to work properly. Second, distribute direct-acting gas solenoid valve: When there is no import and entry pressure, the gas solenoid valve works: a direct-acting and pilot-phase joint principles. Power, the electromagnetic force directly to the pilot valve and main valve closed small pieces turn up the lift, the valve opens. When to start the import and export pressure, the power, the electromagnetic force small pilot valve, main valve of the inferior vena pressure rise, landing on the cavity pressure, which use pressure to push up the main valve; off, the pilot valve with a spring force or medium pressure to promote the closure of parts, moving down, so that the valve closed. But power is larger, the solenoid valve features: zero pressure or vacuum, high pressure can also be * action. Request the necessary level device. Third, the pilot gas solenoid valve: Gas solenoid valve to open the pilot hole, gas solenoid valve works: when the power. Quick landing on the pressure chamber, closed on the lower piece formed around the high pressure, fluid pressure to move up to promote the closure of parts, the valve opens; energized, the spring force the pilot hole closed, the inlet pressure chamber through the bypass Kong Minjie formed around the valve in the closed lower on the next high pressure, fluid pressure to promote the closure of parts down, close the valve. Can be any mounting (custom), but must meet the fluid pressure conditions. Solenoid valve characteristics: higher maximum fluid pressure areas.

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原文来源：http://www.diancifa.com/

2011-12-27 06:52