Double-base adjusting valve with adjusting rod and assembly method thereof
A technology for regulating valves and regulating rods, applied in the field of regulating valves, can solve the problems of inability to achieve a fully sealed state, difficult processing, large leakage, etc., and achieve the effects of good sealing, good anti-vibration performance, and high assembly pass rate
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Embodiment Construction
[0016] according to figure 1 It can be seen that this kind of two-seat control valve with adjusting rod includes: valve body 1, upper valve seat 6, lower valve seat 2, upper valve disc 7, lower valve disc 3, valve cover 11, upper valve stem 12, and bracket 15 And the driving device 16, the valve body 1 is provided with an inlet channel and an outlet channel, the inlet channel is arranged horizontally, the outlet channel is arranged in a horizontal Y-shaped structure, and a horizontal U-shaped cavity wall is arranged between the inlet channel and the outlet channel. The upper valve The seat 6 is arranged on the upper part of the cavity wall, the lower valve seat 2 is arranged on the lower part of the cavity wall, the upper ends of the upper and lower valve seats 6, 2 are respectively provided with upper and lower valve seat sealing surfaces, the upper and lower valve discs 7, 30% It is installed in series below the upper valve stem 12. A lower valve stem 4 is arranged between th...
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