文档介绍：教你如何订购美国阀门
美国阀门以质量过硬着称,如何订购美国阀门,本文用中英文对比的方式更加直观的教会你如何操作。
我们希望能够帮助您针对各种各样的管道环境选择正确的阀门。我们为您提供品种丰富的阀门供您选择。这些阀门在本网战中都有详细的介绍。
This catalog has been published to assist you in choosing the correct valve for a vast number of piping conditions. The Aloyco product line makes available to you a very broad choice of valves. These valves are described in this catalog.
在选择最适合您的用途的阀门时应该小心谨慎。为了避免含糊不清,应该对每一个阀门做出精确的规定。在询价或订购时,应该对所需要的阀门做出全面、适当的说明。
Care should be taken to select the most suitable valves for your service(s). Exact specification of each valve should be made to avoid possible ambiguity. When requesting quotations and/or ordering the product a fully adequate description should be made.
选择阀门通径
Selecting the Valve Size
必须确定与阀门连接的管道的公称通径。
Nominal size of the pipeline into which the valve will be placed must be determined.
阀门材料
Valve Material
在决定正确的阀门材料时,应该考虑下列因素:
The following facts should be considered in determining the correct valve material:
·阀门所要控制的流体介质
·the medium or media which will be controlled
·流体介质的温度范围
·the temperature range of the line medium (media)
·阀门所要经受的压力范围
·the pressure range to which the valve will be subjected
·可能影响阀门工作的气候条件
·possible atmospheric conditions which may affect the valve
·阀门所要经受的、可能的异常压力或应力
·possible extraordinary stresses to which the v