![]() ![]() Risers on the tray extend above the liquid level to permit passage of vapors rising upward.ĭowncomers: Rectangular flat plates bolted, welded or clamped to shell and trays inside of fractionation columns. ![]() ![]() and smaller.ĭistributor Tray: A perforated tray that provides equal distribution of liquid over the vessel area. This type of fitting is generally used for pipe sizes 1\ in. Used for handling relief valves, bubble trays, bubble caps, etc.Ĭonical Head: Head formed in the shape of a cone.Ĭoupling: A fitting welded into the vessel to which the piping is connected either by screwing or welding. The tray collects and removes all liquid product from a specific portion of the vessel.Ĭolumn Davit: A hoisting device attached by means of a socket to the top of fractionation columns. 3" Layer 1/8"
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