Importance

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Abstract

A trap for removing moisture from sampled gases containing moisture in vapor and/or entrained liquid form includes an elongate conduit having a plug substantially centrally positioned therein to prevent flow directly through the conduit, the conduit being provided with a radially directed hole on each side of the plug. A tube is substantially concentric with the conduit and has stoppers at opposite ends thereof with openings therein for the conduit to pass therethrough. At least one of the stoppers is provided with a second opening which can be stopped during sampling and unstopped for draining. During sampling, sample gases are drawn into one end of the conduit and exhausted radially into the space between the conduit and the tube such that vapor condenses on the inner surface of the tube, entrained liquid collects on the inner surface and the gas enters the conduit on the other side of the plug and exhausts to an analyzer.

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First Claim