If upstream pressure can exceed D101 design pressure, it will add a block-in contingency to safety valve sizing.
如果上游压力会超过D101的设计压力则会给安全阀的调节带来出现意外堵塞的一种情况。
Select the valve size combinations from SIZING CHART that is within low to high flow system range.
在最低到最高流量范围内，从通径图表中选择阀门通径。
It is available to ship in two weeks, and valve selection and sizing are simple procedures.
它是提供给船舶在两个星期和阀门的选择和浆纱的简单的程序。
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