Electric high-vacuum butterfly valve is the use of rotary electric, electronically-controlled valve drive stem and valve plate to perform opening and closing movements. Vacuum butterfly valve can be achieved through the external power switch (with manual index switch or computer control) or external input signal to achieve vacuum valve switch or control of the middle position, so as to achieve the purpose of turning on or off the air flow in the vacuum circuit. The body of the valve plate clamping structure, the valve plate seal clamping, except that it can be used in a vacuum state, can also be used under low pressure state. Electric high vacuum butterfly valve is used to turn on or off the airflow in the vacuum line. Electric high vacuum butterfly valve suitable medium for pure air and non-corrosive gases. Electric high vacuum butterfly valve main parts materials Body, bonnet, stem: carbon steel or stainless steel Vacuum valve seals: nitrile rubber, fluorine rubber. Electric high vacuum butterfly valve main technical performance Scope of application: 105 ~ 1.3 × 10-4 Pa Valve leakage rate: ≤ 1.3 × 10-4 Pa.L / S Power: 220V 50Hz Suitable temperature: -25 ~ +80 ℃ (nitrile rubber); - 30 ~ + 150 ℃ (Viton) Installation direction: any The film of the soft film lamp box is a high-grade new environmental protection material. It is flexible in texture and rich in color, and can be stretched at will. It completely breaks through the limitations of traditional light boxes in modeling, color, small piece assembly, and is rich in color. The ultra-thin soft film lamp box perfectly combines the light guide plate and the soft film together, making it ultra-thin and more delicate. Slim Fabric Light Box,Led Light Box,Lighting Box,High Brightness Light Box Guangzhou Jinshiming advertising equipment Co., Ltd , https://www.jsmlightbox.com
Electric high vacuum butterfly valve main technical performance
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