// CODE SNIPPET
63.4.3 Pressure Relief Vent Piping
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Pressure relief vent piping systems shall be constructed and arranged to direct the flow of gas to a safe location and in accordance with 63.4.3. [55:8.3.1]
Pressure relief device vent piping shall have a cross-sectional area not less than that of the pressure relief device vent opening and shall be arranged so as not to restrict the flow of escaping gas. [55:8.3.2]
Pressure relief device vent piping and drains in vent lines shall be arranged so that escaping gas discharges unobstructed to the open air and does not impinge on personnel, containers, equipment, and adjacent structures or enter enclosed spaces. [55:8.3.3]
Pressure relief device vent lines shall be installed in a manner that excludes or removes moisture and condensation to prevent malfunction of the pressure relief device due to freezing or ice accumulation. [55:8.3.4]
Controls shall be provided to prevent overfilling of stationary containers. [55:8.3.5]
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