H42W-16P-DN150,H42W-16P-DN200,H42W-16P-DN250不锈钢法兰底阀

H42W-16P-DN150,H42W-16P-DN200,H42W-16P-DN250不锈钢法兰底阀 生产厂家 量多优惠

H42W-16P-DN150,H42W-16P-DN200,H42W-16P-DN250不锈钢法兰底阀 生产厂家 量多优惠

底阀是一种节约能源的阀,一般安装在水泵下吸管的底端.限制水泵管内液体返回水源,起着只进不出的功能，阀门盖上有很多个进水品和加强筋,起到了不易堵塞,主要应用在抽水的管路上.水道和支承的作用.有法兰连接和螺纹连接.
底阀由阀估,阀瓣,阀盖,衬套,密封圈等零件组成,水源的水从阀盖进入阀体.在流体的压力作用下,阀瓣打开水,当示停后出口管内的压力将阀瓣迅速关闭,液体将不会倒回水源,起到了即畅通抽水又节约水能损失的作用.
1、为了防止介质逆流，在设备、装置和管道上都应安装止回阀；
2、止回阀一般适用于清净介质，不宜用于含有固体颗粒和粘度较大的介质；

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H42W-16P-DN150,H42W-16P-DN200,H42W-16P-DN250不锈钢法兰底阀