宝德8635位置调节仪

宝德8635位置调节仪

阀门定位器的精度如何？在理想情况下，对应某一输入信号，调节阀的内件（包括阀芯、阀杆、阀座等）每次都应准确地定位在所要求的位置，而不管行程的方向或者调节阀的内件有多大的负载。阀门定位器对空气质量的要求如何？由于只有极少数供气装置能提供满ISA 标准（有关仪表用空气质量的标准：ISA标准F7.3）所规定的空气，因此，对于气源或电-气）阀门定位器，如果要经受得住现实环境的考验，就必须能承受一定数量的尘埃、水汽和油污。

宝德8635位置调节仪

How accurate is the valve locator? In an ideal world, the number one input signal, the regulator of the internal parts (including the valve core and valve stem, seat, etc.) should be every time to accuray locate the position of the required, regardless of the direction of travel or how much the internal parts of the load regulator.what is the air quality requirement of valve locator? Because only a handful of air supply device can provide full ISA standards (standard on the quality of instrument air: ISA standard F7.3) by air, therefore, for air or electrical and gas) valve positioner, if we are to withstand the test of reality, must be able to withstand a certain amount of dust, vapor and oil.

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