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原文
How the correct selection of the steam valve Currently used steam solenoid valve, usually over the following two steam: 1, the boiler steam - saturated steam temperature and pressure is relatively stable, the temperature is below 250 ℃, working pressure of less than 1.6Mp. Valve Manufacturing Co., Ltd., Shanghai Star Ou usually use a soft sealing steam solenoid valve as follows: Structural features: pilot operated valve is constituted by the Vice valve and main valve components to open the second valve solenoid valve. Heat: electromagnetic part of the seal part of a special high temperature electrical materials and sealing materials, and application of a variety of insulation measures. Wear: a reasonable selection of the valve cup and guidance suites clever use of fluid lubrication, reducing wear and increased life expectancy Resistant to condensation: steam condensate pipeline is an important factor to affect the action of steam solenoid valve, the valve is influenced from the condensate. Other uses - soft seal Steam solenoid valve This series solenoid valve is also widely used in textile, printing, chemicals, plastics, rubber, pharmaceutical, food, building materials, machinery, appliances, surface treatment and research departments, as well as bathrooms, cafeteria, air conditioning automatic control system. Two thermal power plant steam - superheated steam temperature and pressure changes base temperature up to 400, working pressure of less than 4.0Mpa. Usually use the hard-sealed steam solenoid valve as follows: Structural features: metal seal, the use of the product temperature and service life. Reasonable selection of the valve cup and guidance suites clever use of the fluid lubrication to reduce wear. Other purposes - hard to seal steam solenoid valve This product is universal media a wider scope, can be used in fluid such as water, light oil, heavy oil, non-corrosive gases and steam. Such as power plant exhaust pipe drain system and the exhaust system of the evaporator, mainly double-automatic regulation and remote control of the media in the pipeline. Work Status: Normally closed type - power open, power off the normally open type - power outages open, turn off power.
原文来自：http://www.chinadiancifa.org

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译文：
目前使用的蒸汽电磁阀，通常是过以下两种蒸汽的： 1、锅炉蒸汽-饱和蒸汽温度压力相对稳定，温度低于250℃，工作压力低于1.6Mp。上海星瓯阀门制造有限公司通常会选用软密封的蒸汽电磁阀如下：结构特点：本阀是由副阀和主阀两大部件构成的先导式二次开阀的电磁阀。耐热：电磁部分、密封件部分用特种耐高温电工材料和密封材料，并应用了各种隔热措施。耐磨：选材合理，阀杯和导向套间巧妙地利用流体的润滑作用，减少磨损，提高寿命耐冷凝：蒸汽管道的冷凝水是影响蒸汽电磁阀动作的重要因素，本阀则不受冷凝水影响。其他用途-软密封蒸汽电磁阀本系列电磁阀还可广泛地应用纺织、印刷、化工、塑料、橡胶、制药、食品、建材、机械、电器、表面处理和科研部门以及浴室、食堂、空调等自控系统。 2、热电厂出来的蒸汽-过热蒸汽温度压力变化基数较大，温度最高可达400以上，工作压力则低于4.0Mpa。通常会选用硬密封的蒸汽电磁阀如下：结构特点：采用金属硬密封，提高了产品的使用温度及使用寿命。选材合理，阀杯和导向套间巧妙地利用流体的润滑作用，以减少磨损。其他用途-硬密封蒸汽电磁阀本产品通用介质范围较广，可分别使用于水、轻油、重油、非腐蚀性气体及蒸汽等流体。如电站抽气管道疏水系统和蒸发器的排气系统中，主要是对管道中的介质进行双位自动调节和远程控制。工作状态：常闭型-通电打开、断电关闭常开型-断电打开、通电关闭。

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