It should be noted that some steam flow element installations, however, will work well if the
impulse lines are above the pipe. If such an installation is possible, the advantage of not having to
deal with pre-filling impulse lines (or waiting for steam to condense to equal levels in both lines) are
significant. For more information, I recommend consulting the Rosemount whitepaper entitled “Top
Mount Installation for DP Flowmeters in Steam Service