Bubble cap trays may be preferred in certain applications for the following process conditions: Bubble cap trays may be preferred in certain applications for the following process conditions:

- Extremely low liquid load - Low allowable leak rates - Very high vapor turndown - Low pressure drop

Azar Energy manufactures caps with various cap slot designs. Caps and risers can also be offered to our clients’ specific requirements. Bubble cap trays are used primarily where large turn down ratios are required. Their construction allows very low liquid rates to be handled with little or no leakage. Due to their ability to operate at low vapor and liquid rates, bubble-caps trays are used in significant portion of trays fabrication.