Vaccum seal ring pumps are ...
Published by Soloman Prince, Plant General Manager at F2 IWPP PLANT FUJAIRAH UAE
Vaccum seal ring pumps are normally equipped with a Heat exchanger to control the temperature of sealing a water and an arrangement to top up Make up water.We use these pumps to tap the carbon di oxide released from the Multi flash distillers and the moisture seperated is used as sealing water which makes it kind of a closed loop.
You have to see which is the best way to achieve in your system.