There are two main situations, one is internal leakage; the other is external leakage.
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The main reason for the internal leakage of the valve is the deformation of the sealing pair at low temperature. When the temperature of the medium drops to the point where the material undergoes a phase ...
The working principle of low temperature short shaft globe valve refers to the valve in which the closing member (disc) moves along the centerline of the valve seat.The working principle of low temperature short shaft globe valve refers to the valve in which the closing member (disc) moves along the...