May I ask everyone, why are some lower end caps of the inner cylinders in reaction vessels equipped with flanges, while others have no flanges and simply have openings?
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What is the function of this lower head flange?
There are no requirements for this. First, check the customer’s requirements to see if there are valves or similar components at the bottom. For example, upper expansion valves and lower expansion valves are generally in the form of flanges. For low-pressure equipment, pipes are generally connected using flanges, as no reinforcement is needed; this method is simpler. For some devices, there is no need for an outlet; a flange can be added to seal it off directly. Use it when cleaning equipment.