Selection of bypass control valve for water bath furnace
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I’m not very clear about the selection of the bypass control valve for the water bath furnace; I would appreciate some guidance from those with more experience. Thank you! The design conditions are as follows: Medium: Natural gas, Q=84000 NM³/h ； Inlet pipe diameter: 10", design pressure: 5.0 MPa, nominal pressure class: 600#, design temperature: 55℃ ； The operating pressure is 3.8 MPa; the temperature before heating is 18°C, with a requirement for it to reach 30°C after heating℃
What more control valve is needed? Just use the three-way valve shown in the picture – it’s of automatic type, connecting the main circuit with the bypass circuit; it automatically activates the bypass recirculation, which is energy-saving and efficient