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膜盒阀 [mó hé fá]
[机] aneroid valve
- 疏水阀内的膜盒充满了混合物，其沸点比蒸汽稍低一些。
The bellows inside the trap is filled with a mixture that is set to boil at a temperature slightly lower than the steam. - 该阀B型膜盒过冷度大、排水温度低，噪音小，是环保型的理想疏水阀，节能效果显著。
B shaped bellow features high degree of supercooling, Iow noise, good performance in energy-saving. It is ideal environment-caring trap. - 美国进口膜盒式蒸汽疏水阀的主要动作元件是金属膜盒，内充一种气化温度比水的饱和温度低的液体。
The main acting unit of bellows trap is metal bellows, which is filled with a type of liquid with gasification temperature lower than water's saturation temperature.
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