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technical article
Basic requirements for installing a turbine flowmeter
2011-10-29 14:38:56

选择 正确的 安装方法 是确保 涡轮流量计 准确测量 We choose the right installation method to ensure accurate measurement of the turbine flowmeter

具体 的说说安装的种类 First, let 's talk about the types of installation

法兰连接型 Flange connection type       国家标准 传感器 与管道 连接 的依据是以 法兰 形式 ,其压力限制于 6.3Mpa 左右。 According to national standards , the basis for connecting the sensor to the pipeline is a flange , and its pressure is limited to about 6.3Mpa .

螺纹连接型 ②Threaded connection type       螺纹方式 为依据的情形下,传感器与管道的连接。 In the case of threading , the connection of the sensor to the pipe.

一般分为: a 非密封型管螺纹 b 密封型管螺纹 Thread connection type is generally divided into: a non-sealed pipe thread ; b sealed pipe thread . 口径较大 Both types can withstand high pressures; but the only disadvantage is that they are not suitable for larger calibers .

夹装型 Clip-on type           传感器 与管道连接,必须依靠 管道上法兰 夹固定着;这种方法虽简便,但也有缺点就是不能用在 口径较大 和高电压上。 To connect the sensor to the pipeline, it must be fixed by the flange clamp on the pipeline ; although this method is simple, it also has the disadvantage that it cannot be used for large calibers and high voltage.

Finally, let's talk about the requirements for installation

安装场所 的要求。 1. Requirements for the installation site .   a 避免 热辐射 b 没有 强电磁 干扰 c 方便维修。 Attention should be paid to the installation of flowmeters to avoid heat radiation ; b there is no strong electromagnetic interference ; c is convenient for maintenance.

对介质中杂质的要求 2. Requirements for impurities in the medium .   寿命 ,一般我们在 流量计的直管段前安装 一个小的 过滤器 To ensure the service life of the flowmeter , we generally install a small filter in front of the straight section of the flowmeter .

对外部环境的要求 3. Requirements for the external environment .   流量计 安装在室内 ;但个人的要求不一样,喜欢把流量计安装在 室外 时,我们就要采取一定的措施;比如 采用防晒、防雨 防雷措施 ,来延长 使用寿命 Under normal circumstances, we install the flowmeter indoors ; but personal requirements are different. When we like to install the flowmeter outdoors , we must take certain measures; Service life .

对配管的要求 4. Requirements for piping .   安装点的上下配管的内径与流量计内径 大小要相等 The inner diameter of the upper and lower pipes at the installation point must be equal to the inner diameter of the flowmeter .

对安装焊接的要求 5. Requirements for installation welding . ,首先把 管道中焊渣 物,清理干净;保证流量计在使用过程中 不受损坏 Before installing the flowmeter , first clean up the welding slag in the pipeline ; ensure that the flowmeter is not damaged during use . ,确保 法兰间的密封垫片 不得滑入管道里。 When installing the flowmeter , make sure that the gasket between the flanges does not slip into the pipe.