Gate valve has a gate plate with opening and
closing parts. The movement direction of the gate plate is perpendicular to the
fluid direction. The gate valve can only be fully opened and closed, and can
not be adjusted and throttled. According to the structure and application,
gate valves can be divided into flue gas inlet gate valves delayed coking
valves for coking units and ethylene cracking gas gate valves for ethylene
units.
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