Eccentric semi ball valve is widely used in recent years in Europe and the United States of valve products. It by rotating the worm gear (or electric) mechanism, drives the eccentric hemisphere rotation to achieve the valve, opening and closing. Small flow resistance, reliable sealing, stable performance. Are widely used in municipal sewage treatment, water supply and other fluid control system.
1．水损为零。采用偏心结构，阀门开启后，流道完全畅通，水头损失为零。可节约大量能源。
1 water loss is zero. Eccentric structure, the valve opens, completely smooth flow, the head loss is zero. You can save a lot of energy.
2．可靠的密封方式。软密封结构具有自密封性能，硬密封结构具有弹性补偿性能。
2 reliable sealing method. Soft sealing structure with self sealing performance, hard seal structure with elastic compensation performance.
3．耐磨损，使用寿命长。球阀在开启后，球冠偏置于阀体内，不被介质直接冲刷。
3 wear resistance, long service life. Ball valve in the open, the spherical cap bias in the valve body, not to be direct scouring medium.
4．自动清污功能。硬密封偏心半球阀的球冠边沿采用刀刃状，不但可以刮去阀座上的污垢，还可以切断杂物。
4 automatic cleaning function. The spherical cap edge hard seal eccentric semi ball valve adopts edge shape, not only can scrape the dirt on the valve seat, also can cut.
5．启闭迅速。偏心曲轴旋转90度即可实现启闭，启闭时间短
5 rapid opening and closing. Eccentric crankshaft can be rotated 90 degrees to achieve the opening and closing, opening and closing time is short
6．适合高流速。直通流道，坚固的偏心曲轴使之适用高流速且无振动。
6 which is suitable for high speed. Through the channel, the eccentric crankshaft solid which is applicable to high velocity and no vibration.
1．适用介质：清水.原水（含泥沙）.污水.海水、蒸汽、煤气、天然气、油品等。
1 suitable medium: water. Water (sand). Sewage. Water, steam, gas, natural gas, oil etc..
2．适用温度：软密封偏心半球阀为-40℃-135℃；硬密封半求阀为常温至600℃左右
2 suitable temperature: soft sealing eccentric semi ball valve is -40 ℃ -135 ℃; seal semi seeking valve for the room temperature to 600 ℃
3．适用压力：PN6-PN25。
3 application of pressure: PN6-PN25.
4．公称通经：DN50～DN1600
4 mm nominal diameter: DN50 ~ DN1600
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