bell cap

bell cap

[′bel ‚kap]
(chemical engineering)
A hemispherical or triangular metal casting used on distillation-column trays to force upflowing vapors to bubble through layers of downcoming liquid.
References in periodicals archive ?
We want Bell 505 operators to know that they are part of our commitment to superior aftermarket support, whether their aircraft is still under warranty, under the Bell CAP program or experiencing an unscheduled maintenance event.
Should Bell cap a memorable summer with another century, it would complete a remarkable turnaround.
He was last seen wearing a black nylon stocking over his face, a Taco Bell cap, black pants and a red, green and blue pullover shirt with a Taco Bell logo on the front.