Gate Valve
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EXPANDING GATE VALVE

Expansion gate valve is an important component in the refrigeration system, usually installed between the liquid storage tube and evaporator. Expansion valve enables liquid refrigerant of medium temperature and high pressure to be wet vapor of low temperature and low pressure through throttling. Then, refrigerant in the evaporator absorbs heat to reach cooling effect. Expansion valve controls flow capacity through changes of superheat at the end of evaporator to avoid situations of underutilized area and knocking.

Design and Manufacture:API 6D

Inspection and Testing:API6D  API598

Flange Connect SIze:ASME B 16.5

Welding Size :ASME B 16.25

Structure Length:ASME 16.10

Temperature Levell:ASME 16.34

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